| NWS Forecast for: Westmoreland County Issued by: National Weather Service Pittsburgh, PA Last Update: 503 PM EDT Tue Jul 21 2026 | |
Tonight: Showers and thunderstorms likely, mainly this evening. Some thunderstorms may be severe with heavy rainfall this evening. Lows in the lower 60s. Southwest winds 10 to 15 mph. Gusts up to 30 mph this evening. Chance of rain 70 percent. Wednesday: Partly sunny with a slight chance of showers in the morning, then partly cloudy in the afternoon. Highs in the mid 70s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. Wednesday Night: Mainly clear. Lows in the lower 50s. North winds 5 to 10 mph. Thursday: Mostly sunny. Highs in the upper 70s. North winds around 5 mph. Thursday Night: Clear. Lows in the mid 50s. Northeast winds around 5 mph. Friday: Mostly sunny in the morning, then becoming partly sunny. Highs in the lower 80s. Friday Night: Mostly cloudy. Lows in the lower 60s. Saturday: Partly cloudy. Highs in the lower 80s. Saturday Night: Partly cloudy. Lows in the lower 60s. Sunday: Partly cloudy in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent. Sunday Night: Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of rain 60 percent. Monday: Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. Monday Night: A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 50 percent. Tuesday: Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 40 percent. | |
| Zone Forecast: Westmoreland County | |
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