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Antietam Reservoir, PA Weather Forecast
Antietam Reservoir, PA Weather Forecast Date: 400 AM EDT Mon Aug 24 2026
The area/counties/county of: Berks, including the city of Reading.or toggle through each period.
Today... Sunny. Isolated showers and thunderstorms this afternoon. Highs in the mid 70s. West winds 5 to 10 mph. Chance of rain 20%.
Tonight... Mostly clear. Isolated showers and thunderstorms in the evening. Lows in the upper 50s. West winds 5 to 10 mph. Chance of rain 20%.
Tuesday... Sunny. Highs in the upper 70s. West winds 5 to 10 mph.
Tuesday Night... Partly cloudy in the evening, then clearing. Lows in the upper 50s. West winds around 5 mph in the evening, becoming light and variable.
Wednesday... Mostly sunny. Highs in the lower 80s. Light and variable winds, becoming southwest around 5 mph in the afternoon.
Wednesday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of rain 30%.
Thursday... Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 70%.
Thursday Night... A chance of thunderstorms in the evening. Showers likely. Lows in the mid 60s. Chance of rain 70%.
Friday... Mostly sunny. Highs in the lower 80s.
Friday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s.
Saturday... Sunny. Highs in the lower 80s.
Saturday Night... Mostly clear. Lows in the lower 60s.
POP = Probability of Precipitation
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