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Upper Allen, PA Weather Forecast
Upper Allen, PA Weather Forecast Date: 430 PM EDT Fri Sep 18 2026
The area/counties/county of: Cumberland, including the city of Carlisle.or toggle through each period.
Tonight... Partly cloudy this evening, then becoming mostly clear. Much cooler with lows in the lower 50s. North winds around 5 mph.
Saturday... Patchy fog in the morning. Mostly sunny. Highs in the mid 70s. East winds around 5 mph.
Saturday Night... Mostly cloudy. A chance of showers after midnight. Not as cool with lows in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 50%.
Sunday... Showers likely in the morning, then showers in the afternoon. Humid with highs in the mid 70s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100%.
Sunday Night... Showers, mainly in the evening. Humid with lows in the upper 50s. West winds around 5 mph, becoming north with gusts up to 20 mph after midnight. Chance of rain near 100%.
Monday... Partly sunny in the morning, then becoming mostly cloudy. A 40% chance of showers. Highs in the upper 60s.
Monday Night... Cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 50s. Chance of rain 70%.
Tuesday... Showers likely. Highs in the lower 60s. Chance of rain 70%.
Tuesday Night... Mostly cloudy. Showers likely, mainly in the evening. Lows around 50. Chance of rain 70%.
Wednesday... Mostly cloudy with a chance of showers. Highs in the upper 50s. Chance of rain 50%.
Wednesday Night... Mostly cloudy with a chance of showers. Lows around 50. Chance of rain 50%.
Thursday... Mostly cloudy with a chance of showers. Highs in the lower 60s. Chance of rain 50%.
Thursday Night... Mostly cloudy with a 40% chance of showers. Lows in the lower 50s.
POP = Probability of Precipitation
Upper Allen Radar Loop
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