St. Marks, FL Weather Forecast & Current Conditions

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St. Marks, FL Weather Maps

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Saint Marks Weather Map
UTC Time: 9/21/2026, 11:49
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

St. Marks, FL Regional Weather

Expires:202609211200;;815494
ASUS42 KTBW 211113
RWRFL 
FLORIDA REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
700 AM EDT MON SEP 21 2026

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


FLZ011-016>038-118-127-128-134-139-239-211200-
NORTH FLORIDA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MARIANNA       CLOUDY    72  71  97 CALM      29.95R                  
TALLAHASSEE    CLEAR     71  69  93 N3        29.95R                  
LIVE OAK       CLOUDY    70  70 100 MISG      29.94S                  
LAKE CITY      CLEAR     70  70 100 CALM      29.96S                  
GAINESVILLE    PTCLDY    71  71 100 CALM      29.96R                  
WILLISTON      PTCLDY    70  70 100 N3        29.94R FOG              
PALATKA        LGT RAIN  73  73 100 CALM      29.92R VSB 1/4          
MAYPORT NAS    MOCLDY    78  71  79 NW6       29.93R                  
JACKSONVILLE   MOCLDY    74  72  93 NW5       29.93R                  
JAX NAS        MOCLDY    75  73  93 NW6       29.94R                  
JAX CECIL      MOCLDY    73  73 100 VRB6      29.94S FOG              
FERNANDINA BEA MOCLDY    75  73  94 NW6       29.94R THUNDER          
ST AUGUSTINE   PTCLDY    75  74  96 NW7       29.93R                  
PALM COAST     PTCLDY    73  72  98 CALM      29.92S                  

STATION/POSITION SKY/WX   TEMP    WIND        PRES    WAVE   SWELL
                          AIR SEA DIR/SP/G            HT/PER HT/PER
                          (F)     (DEG/KT/KT) (MB)    (FT/S) (FT/S)
SHELL POINT      NOT AVBL
KEATON BEACH               72      50/  4/  7 1013.9R
CEDAR KEY                  76      30/  5/  7 1013.1R
FERNANDINA                 77     310/  5/  9 1014.0
30.7N   81.3W                 84                N/A     2/ 8
MAYPORT                    76 84  300/  6/  7 1013.8
31.4N   80.9W              82      80/  4/  6 1013.1R   2/ 7   2/ 7
ST AUGUSTINE               76     310/  4/  5 1013.5R

$$

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

Saint Marks, FL

Today
Thunderstorms
88°/ 72° 31°/ 22°
50%
Tuesday
Rain Showers
88°/ 75° 31°/ 24°
20%
Wednesday
Thunderstorms
90°/ 72° 32°/ 22°
30%
Thursday
Sunny
88°/ 68° 31°/ 20°
0%
Friday
Clear
85°29°
0%
Saturday
Clear
85°/ 65° 29°/ 18°
0%
Sunday
Sunny
85°29°
0%

Day: Sunny. A slight chance of showers this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. Highs in the upper 80s. Northeast winds around 5 mph, becoming southeast around 5 mph this afternoon. Chance of rain 40 percent.

Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 70s. Southwest winds around 5 mph, becoming northeast after midnight. Chance of rain 50 percent.

Bethel, FL

Today
Thunderstorms
92°/ 72° 33°/ 22°
50%
Tuesday
Thunderstorms
92°/ 75° 33°/ 24°
20%
Wednesday
Thunderstorms
92°/ 72° 33°/ 22°
30%
Thu-Thu Night
Cloudy
88°31°
0%
Fri-Fri Night
Clear
85°29°
0%
Sat-Sat Night
Cloudy
88°31°
0%
Sunday
Sunny
85°29°
0%

Day: Sunny. A chance of showers and thunderstorms this afternoon. Highs in the lower 90s. East winds around 5 mph. Chance of rain 50 percent.

Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.

Bradfordville, FL

Today
Thunderstorms
92°/ 72° 33°/ 22°
50%
Tuesday
Rain Showers
92°/ 75° 33°/ 24°
20%
Wednesday
Thunderstorms
92°/ 72° 33°/ 22°
30%
Thu-Thu Night
Cloudy
88°31°
0%
Friday
Clear
85°29°
0%
Saturday
Clear
85°/ 65° 29°/ 18°
0%
Sunday
Sunny
85°29°
0%

Day: Mostly sunny. Patchy fog this morning. A chance of showers with a slight chance of thunderstorms this afternoon. Highs in the lower 90s. Northeast winds around 5 mph. Chance of rain 40 percent.

Night: Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 70s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.

Alma, FL

Today
Thunderstorms
90°/ 72° 32°/ 22°
50%
Tuesday
Rain Showers
92°/ 72° 33°/ 22°
20%
Wednesday
Thunderstorms
92°/ 72° 33°/ 22°
30%
Thu-Thu Night
Cloudy
88°31°
0%
Friday
Clear
85°29°
0%
Saturday
Clear
85°/ 62° 29°/ 17°
0%
Sunday
Sunny
85°29°
0%

Day: Mostly sunny. Patchy fog this morning. A chance of showers with a slight chance of thunderstorms this afternoon. Highs around 90. Northeast winds around 5 mph. Chance of rain 40 percent.

Night: Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.

Apalachicola, FL

Today
Thunderstorms
88°/ 75° 31°/ 24°
50%
Tuesday
Thunderstorms
88°/ 75° 31°/ 24°
40%
Wednesday
Thunderstorms
88°/ 72° 31°/ 22°
40%
Thursday
Thunderstorms
88°/ 70° 31°/ 21°
20%
Fri-Fri Night
Clear
85°29°
0%
Saturday
Cloudy
85°29°
0%
Sunday
Cloudy
85°29°
0%

Day: Sunny with a slight chance of thunderstorms. A slight chance of showers this morning, then a chance of showers this afternoon. Highs in the upper 80s. Northeast winds 5 to 10 mph, becoming southeast this afternoon. Chance of rain 50 percent.

Night: Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 70s. Southwest winds around 5 mph, becoming northeast after midnight. Chance of rain 40 percent.

Athena, FL

Today
Thunderstorms
88°/ 72° 31°/ 22°
50%
Tuesday
Rain Showers
90°/ 72° 32°/ 22°
20%
Wednesday
Thunderstorms
90°/ 72° 32°/ 22°
40%
Thu-Thu Night
Cloudy
85°29°
0%
Fri-Fri Night
Clear
85°29°
0%
Saturday
Cloudy
85°29°
0%
Sunday
Cloudy
85°29°
0%

Day: Mostly sunny. Patchy fog this morning. A chance of showers with a slight chance of thunderstorms this afternoon. Highs in the upper 80s. Northeast winds around 5 mph. Chance of rain 40 percent.

Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.

Littman, FL

Today
Sunny
92°/ 72° 33°/ 22°
20%
Tuesday
Thunderstorms
92°/ 72° 33°/ 22°
30%
Wednesday
Thunderstorms
92°/ 72° 33°/ 22°
30%
Thursday
Sunny
88°/ 65° 31°/ 18°
0%
Friday
Clear
65°18°
0%
Saturday
Clear
65°/ 65° 18°/ 18°
0%
Sunday
Sunny
85°29°
0%

Day: Sunny. Highs in the lower 90s. Northeast winds around 5 mph.

Night: Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the lower 70s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.

Sweetwater, FL

Today
Thunderstorms
90°/ 72° 32°/ 22°
50%
Tuesday
Thunderstorms
92°/ 72° 33°/ 22°
40%
Wednesday
Thunderstorms
92°/ 72° 33°/ 22°
30%
Thursday
Clear
88°31°
0%
Fri Night
Clear
88°31°
0%
Sat-Sat Night
Cloudy
88°31°
0%
Sunday
Sunny
85°29°
0%

Day: Sunny. A chance of showers with a slight chance of thunderstorms this afternoon. Highs around 90. Northeast winds around 5 mph. Chance of rain 50 percent.

Night: Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 70s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.

Beachton, GA

Today
Sunny
90°/ 72° 32°/ 22°
20%
Tuesday
Rain Showers
92°/ 72° 33°/ 22°
20%
Wednesday
Thunderstorms
92°/ 72° 33°/ 22°
30%
Thursday
Sunny
85°/ 65° 29°/ 18°
0%
Friday
Clear
65°18°
0%
Saturday
Clear
65°/ 62° 18°/ 17°
0%
Sunday
Sunny
85°29°
0%

Day: Mostly sunny. Highs around 90. Northeast winds around 5 mph.

Night: Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.

Lovett, FL

Today
Thunderstorms
90°/ 72° 32°/ 22°
50%
Tuesday
Rain Showers
90°/ 72° 32°/ 22°
20%
Wednesday
Thunderstorms
90°/ 72° 32°/ 22°
30%
Thu-Thu Night
Cloudy
85°29°
0%
Friday
Clear
85°29°
0%
Saturday
Clear
85°/ 62° 29°/ 17°
0%
Sunday
Sunny
85°29°
0%

Day: Mostly sunny. Patchy fog this morning. A chance of showers and thunderstorms this afternoon. Highs around 90. Northeast winds around 5 mph. Chance of rain 40 percent.

Night: Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.

Kern, FL

Today
Thunderstorms
90°/ 72° 32°/ 22°
50%
Tuesday
Thunderstorms
92°/ 75° 33°/ 24°
40%
Wednesday
Thunderstorms
92°/ 72° 33°/ 22°
40%
Thursday
Thunderstorms
88°/ 68° 31°/ 20°
20%
Fri-Fri Night
Clear
85°29°
0%
Sat-Sat Night
Cloudy
88°31°
0%
Sunday
Sunny
85°29°
0%

Day: Sunny. A chance of showers and thunderstorms this afternoon. Highs around 90. East winds around 5 mph. Chance of rain 50 percent.

Night: Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.

Ausmac, GA

Today
Sunny
92°/ 72° 33°/ 22°
0%
Tuesday
Rain Showers
92°/ 72° 33°/ 22°
20%
Wednesday
Thunderstorms
92°/ 72° 33°/ 22°
20%
Thursday
Sunny
85°/ 65° 29°/ 18°
0%
Friday
Clear
65°18°
0%
Saturday
Clear
65°/ 62° 18°/ 17°
0%
Sunday
Sunny
85°29°
0%

Day: Patchy fog this morning. Mostly sunny. Highs in the lower 90s. Northeast winds around 5 mph.

Night: Mostly clear. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable.

Dillon, GA

Today
Rain Showers
90°/ 72° 32°/ 22°
20%
Tuesday
Rain Showers
92°/ 72° 33°/ 22°
20%
Wednesday
Thunderstorms
90°/ 72° 32°/ 22°
30%
Thursday
Sunny
85°/ 65° 29°/ 18°
0%
Fri Night
Clear
65°18°
0%
Sat-Sat Night
Cloudy
85°29°
0%
Sunday
Sunny
85°29°
0%

Day: Mostly sunny. Patchy fog this morning. A slight chance of showers this afternoon. Highs around 90. Northeast winds around 5 mph. Chance of rain 20 percent.

Night: Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.

Blue Springs, GA

Today
Rain Showers
90°/ 72° 32°/ 22°
20%
Tuesday
Rain Showers
92°/ 72° 33°/ 22°
20%
Wednesday
Thunderstorms
90°/ 72° 32°/ 22°
30%
Thursday
Sunny
85°/ 65° 29°/ 18°
0%
Friday
Clear
65°18°
0%
Saturday
Clear
65°/ 62° 18°/ 17°
0%
Sunday
Sunny
85°29°
0%

Day: Mostly sunny. Patchy fog this morning. A slight chance of showers this afternoon. Highs around 90. Northeast winds around 5 mph. Chance of rain 20 percent.

Night: Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.

Abe Springs, FL

Today
Thunderstorms
90°/ 72° 32°/ 22°
50%
Tuesday
Thunderstorms
92°/ 72° 33°/ 22°
40%
Wednesday
Thunderstorms
92°/ 72° 33°/ 22°
40%
Thursday
Clear
88°31°
0%
Fri Night
Clear
88°31°
0%
Sat-Sat Night
Cloudy
85°29°
0%
Sunday
Sunny
85°29°
0%

Day: Mostly sunny. A chance of showers with a slight chance of thunderstorms this afternoon. Highs around 90. Northeast winds around 5 mph. Chance of rain 50 percent.

Night: Partly cloudy. A chance of showers with a slight chance of thunderstorms 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.

Midway, FL

Today
Thunderstorms
88°/ 72° 31°/ 22°
50%
Tuesday
Rain Showers
90°/ 72° 32°/ 22°
30%
Wednesday
Thunderstorms
90°/ 72° 32°/ 22°
40%
Thu-Thu Night
Thunderstorms
88°31°
20%
Friday
Sunny
85°/ 65° 29°/ 18°
0%
Saturday
Cloudy
65°18°
0%
Sunday
Cloudy
65°18°
0%

Day: Mostly sunny. Patchy fog this morning. A chance of showers and thunderstorms this afternoon. Highs in the upper 80s. Northeast winds around 5 mph. Chance of rain 40 percent.

Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.

Marianna, FL

Today
Sunny
92°/ 72° 33°/ 22°
20%
Tuesday
Rain Showers
92°/ 72° 33°/ 22°
20%
Wednesday
Rain Showers
92°/ 72° 33°/ 22°
20%
Thursday
Clear
85°29°
0%
Friday
Clear
85°29°
0%
Saturday
Clear
85°29°
0%
Sunday
Clear
85°29°
0%

Day: Mostly sunny. Highs in the lower 90s. Northeast winds around 5 mph.

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

Houston, FL

Today
Thunderstorms
90°/ 72° 32°/ 22°
50%
Tuesday
Thunderstorms
90°/ 72° 32°/ 22°
20%
Wednesday
Thunderstorms
90°/ 72° 32°/ 22°
20%
Thu Night
Thunderstorms
68°20°
20%
Friday
Sunny
85°/ 65° 29°/ 18°
0%
Sat Night
Cloudy
65°18°
0%
Sunday
Sunny
85°29°
0%

Day: Partly sunny. Patchy fog this morning. A chance of showers with a slight chance of thunderstorms this afternoon. Highs around 90. Northeast winds around 5 mph. Chance of rain 50 percent.

Night: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Patchy fog after midnight. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.

Howard Creek, FL

Today
Thunderstorms
90°/ 72° 32°/ 22°
60%
Tuesday
Thunderstorms
90°/ 75° 32°/ 24°
40%
Wednesday
Thunderstorms
92°/ 72° 33°/ 22°
40%
Thursday
Thunderstorms
88°/ 68° 31°/ 20°
20%
Friday
Sunny
85°/ 65° 29°/ 18°
0%
Sat-Sat Night
Cloudy
88°31°
0%
Sunday
Sunny
85°29°
0%

Day: Mostly sunny. Showers likely with a chance of thunderstorms this afternoon. Highs around 90. Northeast winds around 5 mph, becoming southeast around 5 mph this afternoon. Chance of rain 60 percent.

Night: Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.

Adams Beach, FL

Today
Thunderstorms
88°/ 72° 31°/ 22°
50%
Tuesday
Sunny
88°/ 75° 31°/ 24°
20%
Wednesday
Thunderstorms
90°/ 72° 32°/ 22°
40%
Thursday
Sunny
88°/ 68° 31°/ 20°
0%
Fri-Fri Night
Clear
85°29°
0%
Saturday
Cloudy
85°29°
0%
Sunday
Cloudy
85°29°
0%

Day: Mostly sunny. Patchy fog this morning. A chance of showers with a slight chance of thunderstorms this afternoon. Highs in the upper 80s. East winds around 5 mph. Chance of rain 30 percent.

Night: Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 70s. Northeast winds around 5 mph. Chance of rain 50 percent.

Names listed above may include county names.

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