Weather in Williamsport, Pennsylvania, United States

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7-Day Detailed Weather Forecast for Williamsport

Overnight

Temperature: 62°F

Wind Speed: 1 mph

Wind Direction: SW

Forecast: Mostly cloudy, with a low around 62. Southwest wind around 1 mph.

Sunday

Temperature: 89°F

Wind Speed: 1 to 9 mph

Wind Direction: S

Forecast: A chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 89. South wind 1 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Sunday Night

Temperature: 55°F

Wind Speed: 5 to 10 mph

Wind Direction: W

Forecast: Showers and thunderstorms likely before 7pm, then showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, with a low around 55. West wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Monday

Temperature: 74°F

Wind Speed: 8 to 12 mph

Wind Direction: NW

Forecast: Mostly sunny, with a high near 74. Northwest wind 8 to 12 mph.

Monday Night

Temperature: 50°F

Wind Speed: 0 to 8 mph

Wind Direction: NW

Forecast: Mostly clear, with a low around 50. Northwest wind 0 to 8 mph.

Tuesday

Temperature: 78°F

Wind Speed: 0 to 5 mph

Wind Direction: SW

Forecast: Sunny, with a high near 78.

Tuesday Night

Temperature: 55°F

Wind Speed: 0 to 3 mph

Wind Direction: S

Forecast: Partly cloudy, with a low around 55.

Wednesday

Temperature: 81°F

Wind Speed: 0 to 8 mph

Wind Direction: S

Forecast: A chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 50%.

Wednesday Night

Temperature: 59°F

Wind Speed: 0 to 8 mph

Wind Direction: SW

Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.

Thursday

Temperature: 86°F

Wind Speed: 10 to 17 mph

Wind Direction: S

Forecast: Showers and thunderstorms. Mostly cloudy, with a high near 86. Chance of precipitation is 80%.

Thursday Night

Temperature: 61°F

Wind Speed: 7 to 17 mph

Wind Direction: W

Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.

Juneteenth

Temperature: 81°F

Wind Speed: 7 to 10 mph

Wind Direction: W

Forecast: A chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. Chance of precipitation is 50%.

Friday Night

Temperature: 57°F

Wind Speed: 5 to 9 mph

Wind Direction: W

Forecast: A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 57.

Saturday

Temperature: 81°F

Wind Speed: 5 to 13 mph

Wind Direction: W

Forecast: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 81.