7-Day Forecast Summary
7-Day Detailed Weather Forecast for Williamsport
Today |
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Temperature: 74°F Wind Speed: 1 to 7 mph Wind Direction: WNW Forecast: Sunny, with a high near 74. West northwest wind 1 to 7 mph. |
Tonight |
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Temperature: 54°F Wind Speed: 3 to 7 mph Wind Direction: SW Forecast: Mostly clear. Low around 54, with temperatures rising to around 56 overnight. Southwest wind 3 to 7 mph. |
Tuesday |
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Temperature: 75°F Wind Speed: 7 to 17 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms after 11am. Mostly sunny. High near 75, with temperatures falling to around 72 in the afternoon. South southwest wind 7 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
Tuesday Night |
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Temperature: 55°F Wind Speed: 2 to 14 mph Wind Direction: WSW Forecast: A chance of showers and thunderstorms before 8pm, then isolated showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 55. West southwest wind 2 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
Wednesday |
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Temperature: 78°F Wind Speed: 2 to 15 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. South southwest wind 2 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible. |
Wednesday Night |
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Temperature: 66°F Wind Speed: 15 to 21 mph Wind Direction: SSW Forecast: A chance of showers and thunderstorms before 8pm, then showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 66. South southwest wind 15 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible. |
Thursday |
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Temperature: 75°F Wind Speed: 12 to 15 mph Wind Direction: W Forecast: Scattered rain showers before 2pm. Mostly sunny, with a high near 75. West wind 12 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. |
Thursday Night |
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Temperature: 56°F Wind Speed: 2 to 9 mph Wind Direction: WNW Forecast: Partly cloudy, with a low around 56. West northwest wind 2 to 9 mph. |
Juneteenth |
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Temperature: 75°F Wind Speed: 3 to 12 mph Wind Direction: NW Forecast: Sunny, with a high near 75. Northwest wind 3 to 12 mph, with gusts as high as 20 mph. |
Friday Night |
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Temperature: 56°F Wind Speed: 1 to 10 mph Wind Direction: WNW Forecast: Mostly clear, with a low around 56. West northwest wind 1 to 10 mph, with gusts as high as 18 mph. |
Saturday |
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Temperature: 78°F Wind Speed: 2 to 7 mph Wind Direction: WSW Forecast: Mostly sunny, with a high near 78. |
Saturday Night |
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Temperature: 60°F Wind Speed: 1 to 6 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 40%. |
Sunday |
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Temperature: 77°F Wind Speed: 2 to 9 mph Wind Direction: SSE Forecast: A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 40%. |
Sunday Night |
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Temperature: 62°F Wind Speed: 6 to 9 mph Wind Direction: E Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%. |

