| NWS Forecast for: Northumberland County Issued by: National Weather Service State College, PA Last Update: 900 AM EDT Fri Oct 23 2026 |  |
| Today: Sunny. Highs in the lower 60s. Northeast winds 5 to 10 mph. Tonight: Mostly clear. Widespread frost after midnight. Lows in the lower 30s. Light and variable winds. Saturday: Widespread frost in the morning. Sunny. Highs around 60. Light and variable winds. Saturday Night: Clear. Areas of frost after midnight. Lows in the lower 30s. Light and variable winds. Sunday: Areas of frost with patchy fog in the morning. Sunny. Highs in the lower 60s. Light and variable winds, becoming southwest around 5 mph in the afternoon. Sunday Night: Mostly clear. Lows in the mid 30s. Monday: Sunny. Highs in the upper 60s. Monday Night: Mostly clear. Lows in the lower 40s. Tuesday: Sunny. Highs in the lower 60s. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. Wednesday: Partly sunny. Highs in the upper 50s. Wednesday Night: Mostly cloudy. Lows around 40. Thursday: Mostly sunny. Highs in the mid 60s. | |
| Zone Forecast: Northumberland County | |
Visit your local NWS office at: https://www.weather.gov/ctp/ |