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Williamsport PA Weather - Overcast - 69°F
Overcast
69°F
Updated 1:46 pm
Feels Like 58°F
Humidity 62%
Wind NW 9 mph
Barometer  29.88 in
Dew Point 56°F
Williamsport PA Weather - Overcast - 21°C
Overcast
21°C
Updated 1:46 pm
Feels Like 14°C
Humidity 62%
Wind NW 14 km/h
Barometer  101.2 kPa
Dew Point 13°C
Williamsport, PA Weather and Current Conditionswilliamsport pa weather forecast

Williamsport, PA Weather Forecast

Williamsport Pennsylvania WeatherWilliamsport, Pennsylvania Weather Weather Forecast
14 day API Williamsport, PA weather forecast. Note. Our 7-day weather forecast for Williamsport, Pennsylvania is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Williamsport, PA Weather Forecast Dated: 146 PM Mon Sep 28 2026
Expect a cool pattern with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.

Monday, September 28, 2026

Mid-Morning
Williamsport Weather - 2026-09-28 - Morning - Light Fog
57°F 14°C
Light Fog
Mid-Afternoon
Williamsport Weather - 2026-09-28 - Afternoon - Overcast
58°F 14°C
Overcast
Early-Evening
Williamsport Weather - 2026-09-28 - Evening - Overcast
59°F 15°C
Overcast
Refreshing around 58°F 14°C, overcast throughout the day, with steady humidity and steady pressure.

Tuesday, September 29, 2026

Mid-Morning
Williamsport Weather - 2026-09-29 - Morning - Overcast
57°F 14°C
Overcast
Mid-Afternoon
Williamsport Weather - 2026-09-29 - Afternoon - Partly Cloudy
67°F 20°C
Partly Cloudy
Early-Evening
Williamsport Weather - 2026-09-29 - Evening - Overcast
64°F 18°C
Overcast
Mildly cool near 67°F 20°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.

Wednesday, September 30, 2026

Mid-Morning
Williamsport Weather - 2026-09-30 - Morning - Partly Cloudy
58°F 14°C
Partly Cloudy
Mid-Afternoon
Williamsport Weather - 2026-09-30 - Afternoon - Overcast
74°F 23°C
Overcast
Early-Evening
Williamsport Weather - 2026-09-30 - Evening - Scattered Showers
66°F 19°C
Scattered Showers
Enjoyable around 74°F 23°C, locally heavy downpours at times, with steady humidity and steady pressure.

Thursday, October 1, 2026

Mid-Morning
Williamsport Weather - 2026-10-01 - Morning - Cloudy
59°F 15°C
Cloudy
Mid-Afternoon
Williamsport Weather - 2026-10-01 - Afternoon - Sunny
79°F 26°C
Sunny
Early-Evening
Williamsport Weather - 2026-10-01 - Evening - Partly Cloudy
70°F 21°C
Partly Cloudy
Mild temperatures up to 79°F 26°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.

Friday, October 2, 2026

Mid-Morning
Williamsport Weather - 2026-10-02 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Williamsport Weather - 2026-10-02 - Afternoon - Overcast
60°F 15°C
Overcast
Early-Evening
Williamsport Weather - 2026-10-02 - Evening - Overcast
57°F 14°C
Overcast
Refreshing around 60°F 15°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure.

Saturday, October 3, 2026

Mid-Morning
Williamsport Weather - 2026-10-03 - Morning - Overcast
47°F 8°C
Overcast
Mid-Afternoon
Williamsport Weather - 2026-10-03 - Afternoon - Partly Cloudy
62°F 17°C
Partly Cloudy
Early-Evening
Williamsport Weather - 2026-10-03 - Evening - Sunny
54°F 12°C
Sunny
Mildly cool near 62°F 17°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure.

Sunday, October 4, 2026

Mid-Morning
Williamsport Weather - 2026-10-04 - Morning - Overcast
45°F 7°C
Overcast
Mid-Afternoon
Williamsport Weather - 2026-10-04 - Afternoon - Light Showers
56°F 13°C
Light Showers
Early-Evening
Williamsport Weather - 2026-10-04 - Evening - Rain
54°F 13°C
Rain
Chilly near 56°F 13°C, drier morning followed by showers lasting through evening, with increasing humidity and barometric pressure falling. Winds turning from the ESE to the SSE at 8 mph 12 km/h. Gusts up to 26 mph 41 km/h.

Monday, October 5, 2026

Mid-Morning
Williamsport Weather - 2026-10-05 - Morning - Scattered Showers
57°F 14°C
Scattered Showers
Mid-Afternoon
Williamsport Weather - 2026-10-05 - Afternoon - Sunny
62°F 17°C
Sunny
Early-Evening
Williamsport Weather - 2026-10-05 - Evening - Sunny
53°F 12°C
Sunny
Cool with a high near 62°F 17°C, scattered downpours possible, with lower humidity and barometric pressure rising. Winds switching from the S to the W at 10 mph 17 km/h. Gusts up to 25 mph 40 km/h.

Tuesday, October 6, 2026

Mid-Morning
Williamsport Weather - 2026-10-06 - Morning - Scattered Showers
49°F 9°C
Scattered Showers
Mid-Afternoon
Williamsport Weather - 2026-10-06 - Afternoon - Sunny
52°F 11°C
Sunny
Early-Evening
Williamsport Weather - 2026-10-06 - Evening - Overcast
51°F 11°C
Overcast
Brisk around 52°F 11°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds WNW at 9 mph 14 km/h.

Wednesday, October 7, 2026

Mid-Morning
Williamsport Weather - 2026-10-07 - Morning - Sunny
49°F 10°C
Sunny
Mid-Afternoon
Williamsport Weather - 2026-10-07 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
Williamsport Weather - 2026-10-07 - Evening - Sunny
53°F 12°C
Sunny
Mildly cool near 61°F 16°C, sunny throughout the day, with lower humidity and steady pressure.

Thursday, October 8, 2026

Mid-Morning
Williamsport Weather - 2026-10-08 - Morning - Overcast
46°F 8°C
Overcast
Mid-Afternoon
Williamsport Weather - 2026-10-08 - Afternoon - Overcast
56°F 14°C
Overcast
Early-Evening
Williamsport Weather - 2026-10-08 - Evening - Overcast
54°F 13°C
Overcast
Chilly near 56°F 14°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds out of the SSE at 8 mph 13 km/h.

Friday, October 9, 2026

Mid-Morning
Williamsport Weather - 2026-10-09 - Morning - Overcast
48°F 9°C
Overcast
Mid-Afternoon
Williamsport Weather - 2026-10-09 - Afternoon - Overcast
56°F 13°C
Overcast
Early-Evening
Williamsport Weather - 2026-10-09 - Evening - Overcast
55°F 13°C
Overcast
Crisp with a high near 56°F 13°C, overcast throughout the day, with steady humidity and steady pressure.

Saturday, October 10, 2026

Mid-Morning
Williamsport Weather - 2026-10-10 - Morning - Overcast
49°F 9°C
Overcast
Mid-Afternoon
Williamsport Weather - 2026-10-10 - Afternoon - Overcast
56°F 14°C
Overcast
Early-Evening
Williamsport Weather - 2026-10-10 - Evening - Overcast
51°F 11°C
Overcast
Brisk around 56°F 14°C, overcast throughout the day, with steady humidity and barometric pressure falling.

Sunday, October 11, 2026

Mid-Morning
Williamsport Weather - 2026-10-11 - Morning - Light Fog
49°F 10°C
Light Fog
Mid-Afternoon
Williamsport Weather - 2026-10-11 - Afternoon - Light Showers
52°F 11°C
Light Showers
Early-Evening
Williamsport Weather - 2026-10-11 - Evening - Light Showers
52°F 11°C
Light Showers
Cool and brisk at 52°F 11°C, clouds and showers taking over for the afternoon and evening, with steady humidity and barometric pressure falling.

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Weather by the Numbers

Mon, 28th
Williamsport PA Weather - Monday, Sep 28, 2026 - Patchy Rain Nearby
Hi: 59°F 15°C
Lo: 54°F 12°C
Sunrise 07:02 AM
Sunset 06:55 PM
Wind NW 3 mph5 km/h
Dew Point 55°F13°C
uv Index 2
Barometric Pressure 29.91 in1013 mb
POP 33% *
Humidity 91%
Tue, 29th
Williamsport PA Weather - Tuesday, Sep 29, 2026 - Overcast
Hi: 68°F 20°C
Lo: 56°F 13°C
Sunrise 07:03 AM
Sunset 06:53 PM
Wind NW 7 mph11 km/h
Dew Point 55°F13°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 20% *
Humidity 72%
Wed, 30th
Williamsport PA Weather - Wednesday, Sep 30, 2026 - Partly Cloudy
Hi: 74°F 24°C
Lo: 55°F 13°C
Sunrise 07:04 AM
Sunset 06:52 PM
Wind S 2 mph4 km/h
Dew Point 57°F14°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 6% *
Humidity 63%
Thu, 1st
Williamsport PA Weather - Thursday, Oct 1, 2026 - Partly Cloudy
Hi: 79°F 26°C
Lo: 57°F 14°C
Sunrise 07:05 AM
Sunset 06:50 PM
Wind SSW 4 mph6 km/h
Dew Point 56°F14°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 5% *
Humidity 54%
Fri, 2nd
Williamsport PA Weather - Friday, Oct 2, 2026 - Overcast
Hi: 77°F 25°C
Lo: 51°F 10°C
Sunrise 07:06 AM
Sunset 06:48 PM
Wind W 4 mph7 km/h
Dew Point 60°F16°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 14% *
Humidity 57%
Sat, 3rd
Williamsport PA Weather - Saturday, Oct 3, 2026 - Overcast
Hi: 62°F 17°C
Lo: 44°F 7°C
Sunrise 07:07 AM
Sunset 06:46 PM
Wind NNE 2 mph3 km/h
Dew Point 38°F3°C
uv Index 3
Barometric Pressure 30.3 in1026 mb
POP 12% *
Humidity 51%
Sun, 4th
Williamsport PA Weather - Sunday, Oct 4, 2026 - Patchy Rain Nearby
Hi: 56°F 13°C
Lo: 41°F 5°C
Sunrise 07:08 AM
Sunset 06:45 PM
Wind SSE 9 mph14 km/h
Dew Point 39°F4°C
uv Index 3
Barometric Pressure 30.18 in1022 mb
POP 15% *
Humidity 61%
Mon, 5th
Williamsport PA Weather - Monday, Oct 5, 2026 - Patchy Rain Nearby
Hi: 65°F 18°C
Lo: 47°F 8°C
Sunrise 07:09 AM
Sunset 06:43 PM
Wind WSW 8 mph13 km/h
Dew Point 56°F13°C
uv Index 4
Barometric Pressure 29.59 in1002 mb
POP 30% *
Humidity 84%
Tue, 6th
Williamsport PA Weather - Tuesday, Oct 6, 2026 - Overcast
Hi: 53°F 12°C
Lo: 45°F 7°C
Sunrise 07:10 AM
Sunset 06:41 PM
Wind W 8 mph13 km/h
Dew Point 44°F7°C
uv Index 3
Barometric Pressure 30.09 in1019 mb
POP 22% *
Humidity 77%
Wed, 7th
Williamsport PA Weather - Wednesday, Oct 7, 2026 - Partly Cloudy
Hi: 62°F 16°C
Lo: 46°F 8°C
Sunrise 07:11 AM
Sunset 06:40 PM
Wind SE 2 mph3 km/h
Dew Point 41°F5°C
uv Index 4
Barometric Pressure 30.33 in1027 mb
POP 3% *
Humidity 53%
Thu, 8th
Williamsport PA Weather - Thursday, Oct 8, 2026 - Overcast
Hi: 57°F 14°C
Lo: 43°F 6°C
Sunrise 07:13 AM
Sunset 06:38 PM
Wind SSE 6 mph10 km/h
Dew Point 44°F6°C
uv Index 3
Barometric Pressure 30.24 in1024 mb
POP 18% *
Humidity 69%
Fri, 9th
Williamsport PA Weather - Friday, Oct 9, 2026 - Overcast
Hi: 56°F 13°C
Lo: 46°F 8°C
Sunrise 07:14 AM
Sunset 06:37 PM
Wind SE 6 mph10 km/h
Dew Point 44°F7°C
uv Index 3
Barometric Pressure 30.06 in1018 mb
POP 19% *
Humidity 71%
Sat, 10th
Williamsport PA Weather - Saturday, Oct 10, 2026 - Overcast
Hi: 57°F 14°C
Lo: 46°F 8°C
Sunrise 07:15 AM
Sunset 06:35 PM
Wind E 6 mph9 km/h
Dew Point 42°F5°C
uv Index 3
Barometric Pressure 30 in1016 mb
POP 15% *
Humidity 60%
Sun, 11th
Williamsport PA Weather - Sunday, Oct 11, 2026 - Light Rain Shower
Hi: 52°F 11°C
Lo: 49°F 9°C
Sunrise 07:16 AM
Sunset 06:33 PM
Wind ENE 2 mph3 km/h
Dew Point 50°F10°C
uv Index 3
Barometric Pressure 29.59 in1002 mb
POP 52% *
Humidity 96%
* POP = Probability of Precipitation. Data for 12:00 PM.