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City of Sunbury, PASunbury, PA 7-Day Night Weather Forecast
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Sunbury, PA Weather Forecast
Sunbury, PA Weather Forecast Date: 1200 PM EDT Sat Oct 17 2026
The area/counties/county of: Northumberland, including the cities of: Sunbury and Shamokin.or toggle through each period.
Today... Cloudy this morning, then clearing. Much cooler with highs around 50. North winds 10 to 15 mph with gusts up to 25 mph.
Tonight... Clear. Widespread frost after midnight. Much colder with lows in the upper 20s. North winds around 5 mph.
Sunday... Widespread frost in the morning. Sunny. Highs in the upper 50s. Light and variable winds.
Sunday Night... Clear. Areas of frost after midnight. Lows in the lower 30s. Light and variable winds.
Monday... Widespread frost in the morning. Sunny. Highs in the lower 60s. Light and variable winds, becoming north around 5 mph in the afternoon.
Monday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s.
Tuesday... Sunny. Highs in the upper 60s.
Tuesday Night... Mostly clear. Lows in the lower 40s.
Wednesday... Sunny. Highs in the mid 60s.
Wednesday Night... Mostly clear. Lows in the upper 30s.
Thursday... Mostly sunny. Highs in the mid 60s.
Thursday Night... Partly cloudy. Lows in the lower 40s.
POP = Probability of Precipitation
Sunbury Radar Loop
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