Weather forecast for: Frederick PA
Last Update: 4:10 pm EDT Sep 2, 2026
Tonight: Showers likely before 11pm, then showers likely and possibly a thunderstorm between 11pm and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday: A chance of showers and thunderstorms before 3pm, then a chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 89. Light southwest wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Mostly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday: Sunny, with a high near 80.
Saturday Night: Mostly clear, with a low around 56.
Sunday: Sunny, with a high near 76.
Sunday Night: Mostly clear, with a low around 55.
Labor Day: Sunny, with a high near 77.
Monday Night: Partly cloudy, with a low around 58.
Tuesday: Mostly sunny, with a high near 80.
Tuesday Night: Partly cloudy, with a low around 59.
Wednesday: Mostly sunny, with a high near 81.
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