| NWS Forecast for: Western Chester Issued by: National Weather Service Philadelphia, PA Last Update: 400 PM EDT Sun Sep 13 2026 | |
| Tonight: Mostly clear this evening, then becoming partly cloudy. Lows in the mid 60s. West winds 5 to 10 mph. Monday: Sunny. Less humid with highs in the mid 70s. North winds 10 to 15 mph. Monday Night: Clear, cooler with lows around 50. North winds 5 to 10 mph. Tuesday: Sunny. Highs in the mid 70s. Northeast winds around 5 mph, becoming south in the afternoon. Tuesday Night: Mostly clear. Lows in the mid 50s. South winds around 5 mph. Wednesday: Sunny. Highs around 80. Wednesday Night: Mostly clear. Lows in the lower 60s. Thursday: Mostly sunny. Highs in the lower 80s. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. Friday: Mostly sunny. Highs around 80. Friday Night: Partly cloudy. Lows in the upper 50s. Saturday: Mostly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 percent. Saturday Night: Mostly cloudy with a 50 percent chance of showers. Lows around 60. Sunday: Partly sunny with a 40 percent chance of showers. Highs in the upper 70s. | |
| Zone Forecast: Western Chester | |
Visit your local NWS office at: https://www.weather.gov/phi/ |