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Excelsior, PA Weather Forecast
Excelsior, PA Weather Forecast Date: 300 PM EDT Wed Sep 30 2026
The area/counties/county of: Northumberland, including the cities of: Sunbury and Shamokin.or toggle through each period.
This Afternoon... Partly sunny. Near steady temperature in the mid 70s. Southwest winds around 5 mph.
Tonight... Mostly cloudy. Lows around 60. South winds around 5 mph.
Thursday... Mostly cloudy in the morning, then becoming mostly sunny. Patchy fog in the morning. Highs in the upper 70s. South winds around 5 mph.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. South winds around 5 mph.
Friday... Mostly sunny in the morning, then mostly cloudy with showers likely in the afternoon. Highs in the lower 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70%.
Friday Night... Mostly cloudy with showers likely in the evening, then partly cloudy after midnight. Cooler with lows in the upper 40s. Chance of rain 70%.
Saturday... Sunny, cooler with highs in the upper 60s.
Saturday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s.
Sunday... Mostly sunny. Highs in the mid 60s.
Sunday Night... Partly cloudy. Lows around 50.
Monday... Mostly sunny. Highs in the mid 60s.
Monday Night... Mostly clear. Colder with lows in the upper 30s.
POP = Probability of Precipitation
Excelsior Radar Loop
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