| NWS Forecast for: Clarion County Issued by: National Weather Service Pittsburgh, PA Last Update: 1208 AM EDT Wed Oct 21 2026 |  |
| Overnight: Clear. Areas of frost with patchy fog. Lows in the lower 30s. Northeast winds around 5 mph. Today: Areas of frost with patchy fog in the morning. Sunny. Highs in the lower 60s. East winds around 5 mph, becoming north in the afternoon. Tonight: Clear. Patchy fog and frost after midnight. Lows in the lower 30s. North winds around 5 mph. Thursday: Areas of frost with patchy fog in the morning. Mostly sunny. Highs in the lower 60s. North winds 5 to 10 mph. Thursday Night: Mainly clear. Lows in the mid 30s. North winds around 5 mph. Friday: Sunny. Highs in the upper 50s. Friday Night: Clear. Lows in the upper 20s. Saturday: Sunny. Highs in the lower 60s. Saturday Night: Clear. Lows in the lower 30s. Sunday: Sunny. Highs in the mid 60s. Sunday Night: Mainly clear. Lows in the upper 30s. Monday: Mostly sunny. Highs in the mid 60s. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. Tuesday: Partly sunny in the morning, then becoming partly cloudy. Highs in the lower 60s. | |
| Zone Forecast: Clarion County | |
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