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Lower Augusta, PA Weather Forecast
Lower Augusta, PA Weather Forecast Date: 130 PM EDT Sun Sep 20 2026
The area/counties/county of: Northumberland, including the cities of: Sunbury and Shamokin.or toggle through each period.
This Afternoon... Showers likely with a slight chance of thunderstorms. Highs in the lower 70s. West winds around 5 mph. Chance of rain 70%.
Tonight... Mostly cloudy. A chance of showers in the evening. Lows in the mid 50s. North winds 5 to 10 mph. Chance of rain 40%.
Monday... Mostly cloudy. A chance of showers in the afternoon. Highs in the upper 60s. Northeast winds around 5 mph. Gusts up to 20 mph in the morning. Chance of rain 30%.
Monday Night... Cloudy. A chance of showers in the evening, then showers after midnight. Lows in the lower 50s. Northeast winds around 5 mph. Gusts up to 20 mph after midnight. Chance of rain 90%.
Tuesday... Showers, mainly in the morning. Highs around 60. Northeast winds around 5 mph with gusts up to 20 mph. Chance of rain 90%.
Tuesday Night... Cloudy. Showers likely, mainly in the evening. Lows in the upper 40s. Chance of rain 70%.
Wednesday... Mostly cloudy with a 40% chance of showers. Highs in the lower 60s.
Wednesday Night... Mostly cloudy with a 40% chance of showers. Lows in the upper 40s.
Thursday... Mostly cloudy in the morning, then becoming partly sunny. A 40% chance of showers. Highs in the lower 60s.
Thursday Night... Mostly cloudy. A chance of showers in the evening. Lows in the mid 40s. Chance of rain 30%.
Friday... Partly sunny. Highs in the mid 60s.
Friday Night... Partly cloudy. Lows in the upper 40s.
POP = Probability of Precipitation
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