Weather WorldUpper Augusta, PA 7-Day Night Weather Forecast
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Upper Augusta, PA Weather Forecast
Upper Augusta, PA Weather Forecast Date: 130 PM EDT Mon Sep 14 2026
The area/counties/county of: Northumberland, including the cities of: Sunbury and Shamokin.or toggle through each period.
This Afternoon... Sunny and not as warm. Near steady temperature in the upper 60s. North winds 5 to 10 mph with gusts up to 20 mph.
Tonight... Mostly clear. Patchy fog after midnight. Cooler with lows in the upper 40s. North winds around 5 mph in the evening, becoming light and variable.
Tuesday... Patchy fog in the morning. Sunny. Highs in the lower 70s. Southeast winds around 5 mph.
Tuesday Night... Mostly clear. Patchy fog after midnight. Lows in the lower 50s. South winds around 5 mph.
Wednesday... Patchy fog in the morning. Sunny. Highs in the upper 70s. South winds around 5 mph.
Wednesday Night... Partly cloudy. Lows in the lower 60s.
Thursday... Mostly sunny. Highs in the lower 80s.
Thursday Night... Mostly cloudy with a chance of showers. Humid with lows in the mid 60s. Chance of rain 30%.
Friday... Mostly sunny. Humid with highs in the upper 70s.
Friday Night... Partly cloudy. Lows in the upper 50s.
Saturday... Partly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30%.
Saturday Night... Mostly cloudy with a 40% chance of showers. Lows in the lower 60s.
POP = Probability of Precipitation
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