Weather Forecast for
Northumberland, PA

Tonight: Mostly clear, with a low around 65. Calm wind.

Monday: Showers and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night: A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 67. Light west wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 8pm. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.

Thursday: Mostly sunny, with a high near 83.

Thursday Night: Partly cloudy, with a low around 60.

Friday: Mostly sunny, with a high near 79.

Friday Night: Mostly clear, with a low around 58.

Saturday: Sunny, with a high near 79.

Saturday Night: Partly cloudy, with a low around 59.

Sunday: A chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.

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