Johnston, SC Weather Forecast & Current Conditions

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Johnston Weather Map
UTC Time: 10/2/2026, 11:22
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Johnston, SC Regional Weather

Expires:202610021200;;406848
ASUS42 KCAE 021110
RWRCAE
REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE COLUMBIA SC
700 AM EDT FRI OCT 02 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

NOT ALL STATIONS ARE QUALITY CONTROLLED BY THE NATIONAL 
WEATHER SERVICE. USE DATA WITH CAUTION...ESPECIALLY 
DEWPOINT OBSERVATIONS.


SCZ001>059-115-116-135>137-GAZ040-063>065-077-021200-
...UPSTATE SOUTH CAROLINA...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ANDERSON       CLOUDY    66  64  93 CALM      30.13R                  
LIBERTY        CLOUDY    62  60  93 CALM      30.13S                  
SPARTANBURG    CLEAR     61  59  94 CALM      30.13R                  
CLEMSON        MOCLDY    67  66  97 CALM      30.14R                  
GREENVILLE     CLEAR     66  62  87 CALM      30.14S                  
GREER          CLEAR     63  61  93 CALM      30.14R                  
ROCK HILL      CLEAR     60  58  92 SW5       30.13R                  
CHESTER        CLEAR     61  61 100 CALM      30.14R                  
LAURENS        CLEAR     63  61  94 CALM      30.13S                  


...CENTRAL SOUTH CAROLINA...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
COLUMBIA APT   FOG       64  64 100 CALM      30.11R VSB 1/2          
COLUMBIA OWENS CLOUDY    67  66  97 CALM      30.12R FOG              
MCENTIRE ANGB  FOG       67  66  96 CALM      30.09R VSB 1/4          
ORANGEBURG     FOG       68  68 100 CALM      30.11R VSB 1/2          
SUMTER SHAW    FOG       71  70  98 NW3       30.09R VSB 1/4          
NEWBERRY       CLEAR     63  59  88 CALM      30.16R                  
AIKEN          CLEAR     64  61  92 E3        30.13R                  
BARNWELL       FOG       68  68 100 CALM      30.12R VSB<1/4          
MANNING        FOG       72  72 100 CALM      30.11R VSB 1/4          
CAMDEN         FOG       63  63 100 CALM      30.13R VSB 3/4          
LANCASTER      CLEAR     61  57  88 CALM      30.12S                  
WINNSBORO      CLEAR     63  63 100 CALM      30.13R                  


...EASTERN AND COASTAL SOUTH CAROLINA...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MYRTLE BEACH   CLEAR     70  70 100 CALM      30.12R                  
N MYRTLE BCH   FOG       68  68 100 CALM      30.10S VSB 3/4          
CONWAY         FOG       64  64 100 CALM      30.12R VSB 1/4          
MARION         FOG       68  64  88 CALM      30.12R VSB 1/4          
HARTSVILLE     FOG       68  68 100 CALM      30.11S VSB 1/4          
FLORENCE       FOG       71  71 100 S3        30.12R VSB 1/4          
DARLINGTON     FOG       69  69 100 SW3       30.12R VSB 1/4          
CHARLESTON APT PTCLDY    70  70 100 CALM      30.10R FOG              
MOUNT PLEASANT PTCLDY    70  70 100 CALM      30.09S                  
WALTERBORO     FOG       68  68 100 CALM      30.11S VSB<1/4          
BEAUFORT       FOG       72  71  97 CALM      30.09S VSB 1/2          


...EASTERN GEORGIA...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
AUGUSTA BUSH F CLOUDY    67  65  93 CALM      30.10R                  
AUGUSTA DANIEL CLOUDY    70  67  90 CALM      30.12R                  
THOMSON        CLOUDY    68  64  88 CALM      30.18R                  
CLAXTON        FOG       73  73 100 SE1       30.10R VSB<1/4          
SYLVANIA       FOG       66  66 100 CALM      30.12R VSB 1/4          
STATESBORO     FOG       70  70 100 NW1       30.09R VSB<1/4          
SAVANNAH       PTCLDY    72  72 100 CALM      30.10R                  


...SOUTHERN NORTH CAROLINA...
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHARLOTTE      PTCLDY    62  60  93 CALM      30.12R                  
MONROE         CLEAR     62  58  86 W5        30.12R                  
WADESBORO      CLEAR     57  56  97 CALM      30.12R                  
ROCKINGHAM     CLOUDY    67  66  97 SW3       30.12S VSB 1/4          
RUTHERFORDTON  CLEAR     57  57 100 CALM      30.15R                  
ASHEVILLE      CLEAR     57  55  93 CALM      30.19R                  

$$
  

SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Johnston, SC

Today
Sunny
90°/ 70° 32°/ 21°
20%
Saturday
Thunderstorms
85°/ 68° 29°/ 20°
90%
Sunday
Rain Showers
75°/ 62° 24°/ 17°
90%
Monday
Rain Showers
75°/ 55° 24°/ 13°
60%
Tuesday
Partly Cloudy
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
70°/ 48° 21°/ 9°
0%
Thursday
Sunny
75°24°
0%

Day: Patchy fog this morning. Mostly sunny. Highs around 90. Southwest winds around 5 mph.

Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 70. South winds around 5 mph. Chance of rain 20 percent.

Saluda, SC

Today
Sunny
88°/ 68° 31°/ 20°
0%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
90%
Sunday
Rain Showers
72°/ 62° 22°/ 17°
90%
Monday
Rain Showers
75°/ 55° 24°/ 13°
60%
Tuesday
Partly Cloudy
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
72°22°
0%

Day: Patchy dense fog this morning. Mostly sunny. Highs in the upper 80s. Southwest winds around 5 mph.

Night: Partly cloudy. Lows in the upper 60s. Southwest winds around 5 mph.

Aiken, SC

Today
Thunderstorms
90°/ 70° 32°/ 21°
20%
Saturday
Thunderstorms
85°/ 68° 29°/ 20°
80%
Sunday
Rain Showers
78°/ 65° 26°/ 18°
90%
Monday
Rain Showers
75°/ 58° 24°/ 14°
70%
Tuesday
Partly Cloudy
70°/ 52° 21°/ 11°
0%
Wednesday
Partly Cloudy
70°/ 52° 21°/ 11°
0%
Thursday
Sunny
75°24°
0%

Day: Mostly sunny. Widespread dense fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs around 90. South winds around 5 mph. Chance of rain 20 percent.

Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Lows around 70. South winds around 5 mph. Chance of rain 20 percent.

Seven Oaks, SC

Today
Sunny
90°/ 70° 32°/ 21°
0%
Saturday
Thunderstorms
85°/ 68° 29°/ 20°
90%
Sunday
Rain Showers
75°/ 62° 24°/ 17°
90%
Monday
Rain Showers
75°/ 58° 24°/ 14°
70%
Tuesday
Partly Cloudy
68°/ 50° 20°/ 10°
0%
Wednesday
Sunny
68°/ 52° 20°/ 11°
0%
Thursday
Sunny
72°22°
0%

Day: Widespread dense fog this morning. Mostly sunny. Highs around 90. Southwest winds around 5 mph.

Night: Partly cloudy. Lows around 70. Southwest winds around 5 mph.

Ware Shoals, SC

Today
Sunny
88°/ 68° 31°/ 20°
0%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
90%
Sunday
Rain Showers
72°/ 62° 22°/ 17°
80%
Monday
Rain Showers
75°/ 55° 24°/ 13°
50%
Tuesday
Partly Cloudy
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
72°22°
0%

Day: Mostly sunny. Highs in the upper 80s. Southwest winds around 5 mph.

Night: Partly cloudy. lows in the upper 60s. South winds around 5 mph in the evening, becoming light and variable.

McCormick, SC

Today
Sunny
90°/ 68° 32°/ 20°
20%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
90%
Sunday
Rain Showers
75°/ 62° 24°/ 17°
90%
Monday
Rain Showers
78°/ 55° 26°/ 13°
60%
Tuesday
Partly Cloudy
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
70°/ 48° 21°/ 9°
0%
Thursday
Sunny
75°24°
0%

Day: Mostly sunny. Highs around 90. Light and variable winds, becoming southwest around 5 mph this afternoon.

Night: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.

Newberry, SC

Today
Sunny
88°/ 68° 31°/ 20°
0%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
90%
Sunday
Rain Showers
70°/ 62° 21°/ 17°
80%
Monday
Rain Showers
75°/ 55° 24°/ 13°
50%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
72°22°
0%

Day: Sunny. Highs in the upper 80s. Southwest winds around 5 mph.

Night: Partly cloudy. Lows in the upper 60s. Southwest winds around 5 mph.

Augusta, GA

Today
Thunderstorms
90°/ 70° 32°/ 21°
40%
Saturday
Thunderstorms
85°/ 68° 29°/ 20°
70%
Sunday
Rain Showers
78°/ 65° 26°/ 18°
90%
Monday
Rain Showers
75°/ 58° 24°/ 14°
70%
Tuesday
Rain Showers
72°/ 52° 22°/ 11°
30%
Wednesday
Partly Cloudy
70°/ 52° 21°/ 11°
0%
Thursday
Sunny
75°24°
0%

Day: Partly sunny. Widespread dense fog this morning. A chance of showers and thunderstorms this afternoon. Highs around 90. Light and variable winds, becoming south around 5 mph this afternoon. Chance of rain 40 percent.

Night: Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows around 70. South winds around 5 mph. Chance of rain 30 percent.

Martinez, GA

Today
Thunderstorms
90°/ 70° 32°/ 21°
20%
Saturday
Thunderstorms
85°/ 68° 29°/ 20°
80%
Sunday
Rain Showers
75°/ 65° 24°/ 18°
90%
Monday
Rain Showers
75°/ 58° 24°/ 14°
60%
Tuesday
Partly Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Partly Cloudy
70°/ 52° 21°/ 11°
0%
Thursday
Sunny
75°24°
0%

Day: Mostly sunny. Patchy fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs around 90. Light and variable winds, becoming southwest around 5 mph this afternoon. Chance of rain 20 percent.

Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Lows around 70. South winds around 5 mph. Chance of rain 20 percent.

Lincolnton, GA

Today
Thunderstorms
90°/ 68° 32°/ 20°
20%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
90%
Sunday
Rain Showers
75°/ 62° 24°/ 17°
80%
Monday
Rain Showers
78°/ 55° 26°/ 13°
60%
Tuesday
Partly Cloudy
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
75°24°
0%

Day: Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs around 90. Light and variable winds, becoming southwest around 5 mph this afternoon. Chance of rain 20 percent.

Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Light and variable winds. Chance of rain 20 percent.

Laurens, SC

Today
Sunny
88°/ 68° 31°/ 20°
0%
Saturday
Thunderstorms
85°/ 62° 29°/ 17°
90%
Sunday
Rain Showers
68°/ 60° 20°/ 16°
80%
Monday
Rain Showers
75°/ 55° 24°/ 13°
50%
Tuesday
Partly Cloudy
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
72°22°
0%

Day: Sunny. Highs in the upper 80s. Southwest winds around 5 mph.

Night: Partly cloudy. lows in the upper 60s. Southwest winds around 5 mph.

Barnwell, SC

Today
Thunderstorms
90°/ 72° 32°/ 22°
50%
Saturday
Thunderstorms
85°/ 68° 29°/ 20°
70%
Sunday
Rain Showers
78°/ 65° 26°/ 18°
90%
Monday
Rain Showers
75°/ 58° 24°/ 14°
70%
Tuesday
Rain Showers
70°/ 52° 21°/ 11°
30%
Wednesday
Partly Cloudy
70°/ 52° 21°/ 11°
0%
Thursday
Partly Cloudy
75°24°
0%

Day: Partly sunny. Widespread dense fog this morning. A chance of showers and thunderstorms this afternoon. Highs around 90. Light and variable winds, becoming south around 5 mph this afternoon. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.

Columbia, SC

Today
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Thunderstorms
85°/ 68° 29°/ 20°
90%
Sunday
Rain Showers
75°/ 65° 24°/ 18°
90%
Monday
Rain Showers
75°/ 58° 24°/ 14°
70%
Tuesday
Sunny
68°/ 50° 20°/ 10°
0%
Wednesday
Sunny
70°/ 50° 21°/ 10°
0%
Thursday
Sunny
72°22°
0%

Day: Widespread dense fog this morning. Mostly sunny. Highs in the lower 90s. Southwest winds around 5 mph.

Night: Partly cloudy. Lows in the lower 70s. Southwest winds around 5 mph.

North, SC

Today
Sunny
92°/ 70° 33°/ 21°
20%
Saturday
Thunderstorms
85°/ 68° 29°/ 20°
80%
Sunday
Rain Showers
78°/ 65° 26°/ 18°
90%
Monday
Rain Showers
75°/ 58° 24°/ 14°
70%
Tuesday
Partly Cloudy
70°/ 50° 21°/ 10°
0%
Wednesday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Sunny
75°24°
0%

Day: Widespread dense fog this morning. Mostly sunny. Highs in the lower 90s. Light and variable winds, becoming southwest around 5 mph this afternoon.

Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows around 70. Southwest winds around 5 mph. Chance of rain 20 percent.

Abbeville, SC

Today
Sunny
88°/ 68° 31°/ 20°
0%
Saturday
Thunderstorms
85°/ 62° 29°/ 17°
90%
Sunday
Rain Showers
72°/ 60° 22°/ 16°
80%
Monday
Rain Showers
75°/ 55° 24°/ 13°
50%
Tuesday
Partly Cloudy
70°/ 48° 21°/ 9°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
75°24°
0%

Day: Mostly sunny. Highs in the upper 80s. Southwest winds around 5 mph.

Night: Partly cloudy. lows in the upper 60s. South winds around 5 mph in the evening, becoming light and variable.

Winnsboro, SC

Today
Sunny
88°/ 68° 31°/ 20°
0%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
90%
Sunday
Rain Showers
72°/ 62° 22°/ 17°
90%
Monday
Rain Showers
75°/ 55° 24°/ 13°
50%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
72°22°
0%

Day: Sunny. Highs in the upper 80s. Southwest winds around 5 mph.

Night: Partly cloudy. Lows in the upper 60s. South winds around 5 mph in the evening, becoming light and variable.

Thomson, GA

Today
Thunderstorms
90°/ 70° 32°/ 21°
40%
Saturday
Thunderstorms
85°/ 68° 29°/ 20°
80%
Sunday
Rain Showers
75°/ 65° 24°/ 18°
90%
Monday
Rain Showers
75°/ 58° 24°/ 14°
70%
Tuesday
Partly Cloudy
72°/ 50° 22°/ 10°
0%
Wednesday
Partly Cloudy
70°/ 50° 21°/ 10°
0%
Thursday
Sunny
75°24°
0%

Day: Partly sunny. Patchy fog this morning. A chance of showers and thunderstorms this afternoon. Highs around 90. Light and variable winds. Chance of rain 40 percent.

Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Lows around 70. Light and variable winds. Chance of rain 20 percent.

Orangeburg, SC

Today
Sunny
92°/ 70° 33°/ 21°
20%
Saturday
Thunderstorms
85°/ 68° 29°/ 20°
80%
Sunday
Thunderstorms
78°/ 65° 26°/ 18°
90%
Monday
Rain Showers
75°/ 58° 24°/ 14°
80%
Tuesday
Partly Cloudy
70°/ 50° 21°/ 10°
0%
Wednesday
Partly Cloudy
70°/ 52° 21°/ 11°
0%
Thursday
Partly Cloudy
75°24°
0%

Day: Widespread dense fog this morning. Mostly sunny. Highs in the lower 90s. Light and variable winds, becoming southwest around 5 mph this afternoon.

Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms. Lows around 70. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.

Waynesboro, GA

Today
Thunderstorms
88°/ 68° 31°/ 20°
50%
Saturday
Thunderstorms
85°/ 68° 29°/ 20°
70%
Sunday
Rain Showers
78°/ 65° 26°/ 18°
90%
Monday
Rain Showers
75°/ 58° 24°/ 14°
70%
Tuesday
Rain Showers
72°/ 52° 22°/ 11°
40%
Wednesday
Partly Cloudy
70°/ 52° 21°/ 11°
0%
Thursday
Partly Cloudy
75°24°
0%

Day: Partly sunny. Widespread dense fog this morning. A chance of showers and thunderstorms this afternoon. Highs in the upper 80s. South winds around 5 mph. Chance of rain 50 percent.

Night: Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.

Athens, GA

Today
Thunderstorms
88°/ 68° 31°/ 20°
20%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
90%
Sunday
Thunderstorms
72°/ 62° 22°/ 17°
90%
Monday
Rain Showers
78°/ 58° 26°/ 14°
40%
Tuesday
Sunny
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
70°/ 48° 21°/ 9°
0%
Thursday
Rain Showers
75°24°
20%

Day: Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the upper 80s. Light South winds. Chance of rain 20 percent.

Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the upper 60s. Light and variable winds. Chance of rain 20 percent.

Names listed above may include county names.

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