| NWS Forecast for: Clarion County Issued by: National Weather Service Pittsburgh, PA Last Update: 223 AM EDT Sun Sep 20 2026 |  |
| Overnight: Showers likely with a slight chance of thunderstorms. Near steady temperature in the lower 60s. South winds around 5 mph. Chance of rain 70 percent. Today: A slight chance of thunderstorms in the morning. Showers likely. Humid with highs in the lower 70s. West winds around 5 mph, becoming northwest in the afternoon. Chance of rain 70 percent. Tonight: Mostly cloudy. A slight chance of showers in the evening. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain 20 percent. Monday: Mostly cloudy. A slight chance of showers in the afternoon. Highs in the upper 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. Monday Night: Showers likely. Lows around 50. East winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 70 percent. Tuesday: Showers likely. Highs in the lower 60s. Chance of rain 70 percent. Tuesday Night: Showers likely. Lows in the upper 40s. Chance of rain 70 percent. Wednesday: Considerable cloudiness. Showers likely, mainly in the morning. Cool with highs around 60. Chance of rain 70 percent. Wednesday Night: Considerable cloudiness with a 50 percent chance of showers. Lows in the upper 40s. Thursday: Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the lower 60s. Thursday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 40s. Friday: Mostly sunny. Highs in the upper 60s. Friday Night: Partly cloudy. Lows in the mid 40s. Saturday: Mostly sunny. Highs in the upper 60s. | |
| Zone Forecast: Clarion County | |
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