Williamson, PA Weather Forecast & Current Conditions

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Williamson Weather Map
UTC Time: 9/21/2026, 15:17
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Williamson, PA Regional Weather

Expires:202609211600;;822633
ASUS41 KCTP 211510
RWRCTP

REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1100 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.

* = STATION THAT DOES NOT REPORT PRECIPITATION /E.G. RAIN...SNOW...ETC/
    THUNDER OR FOG.


PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-211600-
CENTRAL PENNSYLVANIA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BRADFORD       PTSUNNY   57  48  72 E12       30.17R                  
ST MARYS       NOT AVBL                                               
DUBOIS         CLOUDY    60  48  64 E12G21    30.13R                  
CLEARFIELD     CLOUDY    57  48  72 E12G20    30.15R                  
JOHNSTOWN      CLOUDY    54  46  74 E5        30.12R                  
SOMERSET       DRIZZLE   54  54 100 NE5       30.12R                  
ALTOONA        CLOUDY    57  48  72 NE3       30.13R                  
STATE COLLEGE  MOSUNNY   57  50  77 NE9       30.14R                  
REEDSVILLE     PTSUNNY   59  50  72 VRB3      30.13S HAZE             
WELLSBORO      PTSUNNY   57  48  72 N13       30.17R                  
WILLIAMSPORT   PTSUNNY   66  50  56 NE6       30.12S                  
SELINSGROVE    PTSUNNY   64  55  72 N7        30.13R                  
FT INDIANTOWN  PTSUNNY   67  56  70 NE3       30.09R                  
CAPITAL CITY   CLOUDY    66  57  72 N3        30.10R                  
HARRISBURG     PTSUNNY   67  58  72 VRB7      30.09                   
YORK           CLOUDY    67  58  72 NE8       30.09R                  
$$


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

Williamson, PA

Today
Rain Showers
65°/ 52° 18°/ 11°
100%
Tuesday
Rain Showers
60°/ 50° 16°/ 10°
100%
Wednesday
Rain Showers
62°/ 48° 17°/
50%
Thursday
Mostly Cloudy
62°/ 45° 17°/
0%
Friday
Sunny
65°/ 48° 18°/
0%
Saturday
Sunny
65°/ 48° 18°/
0%
Sunday
Sunny
68°20°
0%

Day: Mostly cloudy. A chance of showers this morning, then showers likely this afternoon. Cooler with highs in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.

Night: Showers. A slight chance of thunderstorms after midnight. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain near 100 percent.

McConnellsburg, PA

Today
Rain Showers
62°/ 52° 17°/ 11°
100%
Tuesday
Rain Showers
58°/ 48° 14°/
100%
Wednesday
Rain Showers
58°/ 48° 14°/
50%
Thursday
Mostly Cloudy
60°/ 45° 16°/
0%
Friday
Sunny
65°/ 48° 18°/
0%
Saturday
Sunny
65°/ 48° 18°/
0%
Sunday
Sunny
68°20°
0%

Day: Mostly cloudy. A chance of showers this morning, then showers likely this afternoon. Cooler with highs in the lower 60s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.

Night: Showers with a slight chance of thunderstorms. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain near 100 percent.

Carlisle, PA

Today
Rain Showers
68°/ 52° 20°/ 11°
100%
Tuesday
Rain Showers
58°/ 50° 14°/ 10°
100%
Wednesday
Rain Showers
62°/ 48° 17°/
50%
Thursday
Mostly Cloudy
62°/ 48° 17°/
0%
Friday
Sunny
65°/ 48° 18°/
0%
Saturday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Sunday
Sunny
68°20°
0%

Day: Mostly cloudy. A chance of showers this afternoon. Highs in the upper 60s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Night: Showers. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain near 100 percent.

Huntingdon, PA

Today
Rain Showers
65°/ 52° 18°/ 11°
100%
Tuesday
Rain Showers
58°/ 48° 14°/
100%
Wednesday
Rain Showers
60°/ 48° 16°/
50%
Thursday
Mostly Cloudy
62°/ 45° 17°/
0%
Friday
Sunny
65°/ 48° 18°/
0%
Saturday
Sunny
65°/ 48° 18°/
0%
Sunday
Sunny
68°20°
0%

Day: Mostly cloudy. A slight chance of showers this morning, then a chance of showers this afternoon. Highs in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Night: Showers with a slight chance of thunderstorms. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain near 100 percent.

Gettysburg, PA

Today
Rain Showers
68°/ 52° 20°/ 11°
100%
Tuesday
Rain Showers
58°/ 48° 14°/
100%
Wednesday
Rain Showers
62°/ 48° 17°/
50%
Thursday
Mostly Cloudy
62°/ 45° 17°/
0%
Friday
Sunny
65°/ 48° 18°/
0%
Saturday
Sunny
65°/ 48° 18°/
0%
Sunday
Sunny
68°20°
0%

Day: Partly sunny with a slight chance of showers this morning, then mostly cloudy with a chance of showers this afternoon. Highs in the upper 60s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Night: Showers. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain near 100 percent.

Bedford, PA

Today
Thunderstorms
62°/ 52° 17°/ 11°
100%
Tuesday
Rain Showers
58°/ 48° 14°/
100%
Wednesday
Rain Showers
58°/ 48° 14°/
50%
Thursday
Rain Showers
58°/ 45° 14°/
50%
Friday
Sunny
62°/ 45° 17°/
0%
Saturday
Sunny
62°/ 48° 17°/
0%
Sunday
Sunny
68°20°
0%

Day: Cloudy. A chance of showers this morning, then showers with a slight chance of thunderstorms this afternoon. Cooler with highs in the lower 60s. Northeast winds 5 to 10 mph. Chance of rain 80 percent.

Night: Showers with a slight chance of thunderstorms. Lows in the lower 50s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Mifflintown, PA

Today
Rain Showers
65°/ 52° 18°/ 11°
100%
Tuesday
Rain Showers
58°/ 48° 14°/
100%
Wednesday
Rain Showers
62°/ 48° 17°/
50%
Thursday
Mostly Cloudy
62°/ 45° 17°/
0%
Friday
Sunny
65°/ 48° 18°/
0%
Saturday
Partly Cloudy
65°/ 48° 18°/
0%
Sunday
Sunny
68°20°
0%

Day: Mostly cloudy. A slight chance of showers this afternoon. Highs in the mid 60s. North winds around 5 mph. Gusts up to 20 mph this morning. Chance of rain 20 percent.

Night: Showers. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain near 100 percent.

Newport, PA

Today
Rain Showers
65°/ 52° 18°/ 11°
100%
Tuesday
Rain Showers
58°/ 48° 14°/
100%
Wednesday
Rain Showers
62°/ 48° 17°/
50%
Thursday
Mostly Cloudy
62°/ 45° 17°/
0%
Friday
Sunny
65°/ 48° 18°/
0%
Saturday
Partly Cloudy
65°/ 48° 18°/
0%
Sunday
Sunny
68°20°
0%

Day: Mostly cloudy. A slight chance of showers this afternoon. Highs in the mid 60s. North winds 5 to 10 mph. Chance of rain 20 percent.

Night: Showers. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain near 100 percent.

Lewistown, PA

Today
Rain Showers
65°/ 52° 18°/ 11°
100%
Tuesday
Rain Showers
60°/ 48° 16°/
90%
Wednesday
Rain Showers
62°/ 48° 17°/
50%
Thursday
Partly Cloudy
62°/ 45° 17°/
0%
Friday
Sunny
65°/ 48° 18°/
0%
Saturday
Partly Cloudy
65°/ 48° 18°/
0%
Sunday
Sunny
68°20°
0%

Day: Mostly cloudy. A chance of showers this afternoon. Highs in the mid 60s. Northeast winds around 5 mph. Gusts up to 20 mph this morning. Chance of rain 50 percent.

Night: Showers. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain near 100 percent.

Altoona, PA

Today
Thunderstorms
62°/ 52° 17°/ 11°
100%
Tuesday
Rain Showers
58°/ 48° 14°/
90%
Wednesday
Rain Showers
58°/ 45° 14°/
50%
Thursday
Mostly Cloudy
60°/ 45° 16°/
0%
Friday
Sunny
65°/ 45° 18°/
0%
Saturday
Sunny
65°/ 48° 18°/
0%
Sunday
Sunny
68°20°
0%

Day: Mostly cloudy. A slight chance of showers this morning, then showers likely with a slight chance of thunderstorms this afternoon. Highs in the lower 60s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.

Night: Showers with a slight chance of thunderstorms. Lows in the lower 50s. East winds 5 to 10 mph with gusts up to 25 mph. Chance of rain near 100 percent.

York, PA

Today
Rain Showers
68°/ 52° 20°/ 11°
90%
Tuesday
Rain Showers
60°/ 50° 16°/ 10°
100%
Wednesday
Rain Showers
62°/ 48° 17°/
40%
Thursday
Mostly Cloudy
62°/ 48° 17°/
0%
Friday
Sunny
65°/ 50° 18°/ 10°
40%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
30%
Sunday
Sunny
68°20°
0%

Day: Partly sunny this morning, then mostly cloudy with a chance of showers this afternoon. Highs in the upper 60s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Night: Showers likely in the evening, then showers after midnight. Lows in the lower 50s. Northeast winds 10 to 15 mph. Chance of rain 90 percent.

Somerset, PA

Today
Thunderstorms
60°/ 52° 16°/ 11°
90%
Tuesday
Rain Showers
58°/ 48° 14°/
70%
Wednesday
Rain Showers
55°/ 45° 13°/
50%
Thursday
Rain Showers
55°/ 42° 13°/
50%
Friday
Sunny
62°/ 42° 17°/
0%
Saturday
Sunny
62°/ 45° 17°/
0%
Sunday
Sunny
65°18°
0%

Day: Showers likely this morning, then showers with a chance of thunderstorms this afternoon. Highs around 60. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent.

Night: Showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Harrisburg, PA

Today
Mostly Cloudy
68°/ 52° 20°/ 11°
90%
Tuesday
Rain Showers
60°/ 48° 16°/
90%
Wednesday
Rain Showers
62°/ 48° 17°/
30%
Thursday
Mostly Cloudy
62°/ 48° 17°/
0%
Friday
Sunny
65°/ 48° 18°/
30%
Saturday
Rain Showers
65°/ 50° 18°/ 10°
30%
Sunday
Sunny
68°20°
0%

Day: Mostly cloudy. Highs in the upper 60s. Northeast winds 5 to 10 mph.

Night: Showers. Lows in the lower 50s. Northeast winds 5 to 10 mph. Gusts up to 25 mph after midnight. Chance of rain 90 percent.

Johnstown, PA

Today
Thunderstorms
58°/ 52° 14°/ 11°
90%
Tuesday
Rain Showers
58°/ 48° 14°/
90%
Wednesday
Rain Showers
55°/ 45° 13°/
50%
Thursday
Mostly Cloudy
58°/ 42° 14°/
0%
Friday
Sunny
62°/ 45° 17°/
0%
Saturday
Sunny
62°/ 45° 17°/
0%
Sunday
Sunny
65°18°
0%

Day: Mostly cloudy. A chance of showers this morning, then showers likely with a slight chance of thunderstorms this afternoon. Cooler with highs in the upper 50s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Night: Showers with a slight chance of thunderstorms. Lows in the lower 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Lancaster, PA

Today
Mostly Cloudy
70°/ 52° 21°/ 11°
70%
Tuesday
Rain Showers
60°/ 50° 16°/ 10°
90%
Wednesday
Rain Showers
62°/ 48° 17°/
30%
Thursday
Mostly Cloudy
62°/ 48° 17°/
0%
Friday
Sunny
65°/ 50° 18°/ 10°
40%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
40%
Sunday
Sunny
68°20°
0%

Day: Partly sunny this morning, then becoming mostly cloudy. Highs around 70. Northeast winds 5 to 10 mph.

Night: Showers likely. Lows in the lower 50s. Northeast winds 10 to 15 mph. Chance of rain 70 percent.

State College, PA

Today
Rain Showers
65°/ 50° 18°/ 10°
100%
Tuesday
Rain Showers
58°/ 48° 14°/
90%
Wednesday
Mostly Cloudy
60°/ 45° 16°/
0%
Thursday
Partly Cloudy
62°/ 45° 17°/
0%
Friday
Sunny
65°/ 45° 18°/
0%
Saturday
Sunny
65°/ 48° 18°/
0%
Sunday
Sunny
68°20°
0%

Day: Mostly cloudy. A chance of showers this afternoon. Highs in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Night: Showers likely in the evening, then showers after midnight. Lows around 50. Northeast winds 5 to 10 mph. Chance of rain near 100 percent.

Selinsgrove, PA

Today
Mostly Cloudy
65°/ 52° 18°/ 11°
100%
Tuesday
Rain Showers
58°/ 48° 14°/
90%
Wednesday
Mostly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
62°/ 45° 17°/
0%
Friday
Sunny
65°/ 48° 18°/
0%
Saturday
Partly Cloudy
65°/ 48° 18°/
0%
Sunday
Sunny
68°20°
0%

Day: Mostly cloudy. Highs in the mid 60s. Northeast winds 5 to 10 mph.

Night: Showers likely in the evening, then showers after midnight. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain near 100 percent.

Philipsburg, PA

Today
Rain Showers
62°/ 48° 17°/
90%
Tuesday
Rain Showers
58°/ 48° 14°/
70%
Wednesday
Rain Showers
58°/ 45° 14°/
40%
Thursday
Partly Cloudy
60°/ 42° 16°/
0%
Friday
Sunny
65°/ 45° 18°/
0%
Saturday
Sunny
62°/ 45° 17°/
0%
Sunday
Sunny
65°18°
0%

Day: Mostly cloudy. A chance of showers this afternoon. Highs in the lower 60s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Night: Showers. Lows in the upper 40s. East winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent.

Lebanon, PA

Today
Mostly Cloudy
70°/ 52° 21°/ 11°
90%
Tuesday
Rain Showers
60°/ 48° 16°/
90%
Wednesday
Rain Showers
62°/ 48° 17°/
30%
Thursday
Mostly Cloudy
65°/ 48° 18°/
0%
Friday
Sunny
68°/ 48° 20°/
40%
Saturday
Rain Showers
65°/ 50° 18°/ 10°
40%
Sunday
Sunny
68°20°
0%

Day: Partly sunny this morning, then becoming mostly cloudy. Highs around 70. Northeast winds 5 to 10 mph.

Night: Showers likely in the evening, then showers after midnight. Lows in the lower 50s. Northeast winds 10 to 15 mph. Chance of rain 90 percent.

DuBois, PA

Today
Rain Showers
62°/ 48° 17°/
90%
Tuesday
Rain Showers
58°/ 45° 14°/
70%
Wednesday
Rain Showers
58°/ 45° 14°/
50%
Thursday
Partly Cloudy
60°/ 42° 16°/
0%
Friday
Sunny
65°/ 45° 18°/
0%
Saturday
Sunny
65°/ 45° 18°/
0%
Sunday
Sunny
68°20°
0%

Day: Mostly cloudy. A chance of showers this afternoon. Highs in the lower 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Night: Showers. Lows in the upper 40s. East winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent.

Names listed above may include county names.

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