Weather in Williamsport, Pennsylvania, United States

7-Day Detailed Weather Forecast for Williamsport

This Afternoon

Temperature: 83°F

Wind Speed: 13 mph

Wind Direction: S

Forecast: Sunny, with a high near 83. South wind around 13 mph, with gusts as high as 21 mph.

Tonight

Temperature: 64°F

Wind Speed: 6 to 13 mph

Wind Direction: SE

Forecast: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Southeast wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Sunday

Temperature: 80°F

Wind Speed: 7 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and noon, then a chance of showers and thunderstorms between 2pm and 5pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 80. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Sunday Night

Temperature: 61°F

Wind Speed: 1 to 6 mph

Wind Direction: S

Forecast: Showers and thunderstorms likely before 2am, then patchy fog. Mostly cloudy, with a low around 61. South wind 1 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Monday

Temperature: 79°F

Wind Speed: 1 to 10 mph

Wind Direction: W

Forecast: Patchy fog before 8am. Mostly sunny, with a high near 79. West wind 1 to 10 mph.

Monday Night

Temperature: 53°F

Wind Speed: 2 to 9 mph

Wind Direction: W

Forecast: Mostly clear, with a low around 53.

Tuesday

Temperature: 73°F

Wind Speed: 2 to 8 mph

Wind Direction: W

Forecast: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 73.

Tuesday Night

Temperature: 50°F

Wind Speed: 3 to 7 mph

Wind Direction: NW

Forecast: A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 50.

Wednesday

Temperature: 74°F

Wind Speed: 3 to 7 mph

Wind Direction: NW

Forecast: Sunny, with a high near 74.

Wednesday Night

Temperature: 49°F

Wind Speed: 1 to 6 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 49.

Thursday

Temperature: 77°F

Wind Speed: 1 to 6 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 77.

Thursday Night

Temperature: 54°F

Wind Speed: 1 to 5 mph

Wind Direction: W

Forecast: Partly cloudy, with a low around 54.

Friday

Temperature: 78°F

Wind Speed: 1 to 5 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 78.

Friday Night

Temperature: 52°F

Wind Speed: 5 mph

Wind Direction: NW

Forecast: Partly cloudy, with a low around 52.