| NWS Forecast for: Armstrong County Issued by: National Weather Service Pittsburgh, PA Last Update: 133 AM EDT Sun Apr 19 2026 |  |
Overnight: Cloudy with a 50 percent chance of showers. Lows in the upper 30s. Northwest winds around 10 mph with gusts up to 25 mph. Today: Mostly cloudy in the morning, then becoming partly sunny. Cool with highs around 50. West winds 10 to 15 mph with gusts up to 30 mph. Tonight: Mostly cloudy with a chance of rain showers. A slight chance of snow showers after midnight. Little or no snow accumulation. Lows in the upper 20s. West winds 5 to 10 mph. Gusts up to 25 mph in the evening. Chance of precipitation 50 percent. Monday: Partly cloudy. Cool with highs in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Monday Night: Clear. Widespread frost after midnight. Unseasonably cold with lows in the lower 20s. Northwest winds 5 to 10 mph with gusts up to 20 mph in the evening, becoming light and variable. Tuesday: Mostly sunny. Much warmer with highs around 60. Tuesday Night: Partly cloudy in the evening, then becoming mostly cloudy. A 40 percent chance of showers. Not as cool with lows in the mid 40s. Wednesday: Mostly cloudy in the morning, then becoming partly cloudy. A 40 percent chance of showers. Highs in the upper 60s. Wednesday Night: Mainly clear. Lows in the lower 40s. Thursday: Mostly sunny. Warm with highs in the mid 70s. Thursday Night: Mainly clear. Mild. Lows in the lower 50s. Friday: Mostly sunny. Warm with highs in the upper 70s. Friday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Mild. Lows in the mid 50s. Chance of rain 40 percent. Saturday: Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs around 70. Chance of rain 60 percent. | |
| Zone Forecast: Armstrong County | |
Visit your local NWS office at: https://www.weather.gov/pbz/ |