| NWS Forecast for: Northwest Prince William Issued by: National Weather Service Baltimore, MD/Washington, D.C. Last Update: 225 AM EDT Sat Oct 3 2026 |  |
| Overnight: Mostly cloudy with a 30 percent chance of showers. Lows in the upper 50s. North winds around 10 mph with gusts up to 20 mph. Saturday: Mostly cloudy. A chance of showers, mainly in the morning. Cooler with highs in the mid 60s. North winds 5 to 10 mph. Chance of rain 50 percent. Saturday Night: Mostly cloudy with a 40 percent chance of showers. Lows in the upper 50s. Southeast winds around 5 mph, becoming northeast after midnight. Sunday: Showers. Highs in the mid 60s. Northeast winds around 5 mph. Chance of rain 80 percent. Sunday Night: Cloudy. Lows in the upper 50s. Light and variable winds, becoming northwest around 5 mph after midnight. Monday: Mostly sunny. Highs in the lower 70s. Monday Night: Clear. Lows in the mid 40s. Tuesday: Sunny. Highs in the lower 60s. Tuesday Night: Mostly clear. Lows in the lower 40s. Wednesday: Sunny. Highs in the upper 60s. Wednesday Night: Mostly clear. Lows in the upper 40s. Thursday: Sunny. Highs in the lower 70s. Thursday Night: Mostly clear. Lows in the lower 50s. Friday: Sunny. Highs in the lower 70s. | |
| Zone Forecast: Northwest Prince William | |
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