7-Day Zone Forecast for Fairfax County (Text-Only)
NWS Forecast for: Fairfax County
Issued by: National Weather Service Baltimore, MD/Washington, D.C.
Last Update: 1226 PM EDT Tue Jun 23 2026
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This Afternoon: Showers with a chance of thunderstorms. Highs in the lower 70s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Tonight: Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s. North winds 10 to 15 mph, becoming northwest around 5 mph after midnight.

Wednesday: Sunny. Highs in the lower 80s. Northwest winds 5 to 10 mph.

Wednesday Night: Mostly clear. Lows in the lower 60s. Southwest winds around 5 mph in the evening, becoming light and variable.

Thursday: Sunny. Highs in the upper 80s. South winds 5 to 10 mph.

Thursday Night: Partly cloudy. Lows in the upper 60s.

Friday: Showers likely with a chance of thunderstorms. Highs in the upper 80s. Chance of rain 60 percent.

Friday Night: Showers with a chance of thunderstorms. Lows in the upper 60s. Chance of rain 80 percent.

Saturday: Showers likely with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 70 percent.

Saturday Night: Mostly cloudy. Lows in the upper 60s.

Sunday: Mostly sunny. Highs in the upper 80s.

Sunday Night: Mostly clear. Lows in the upper 60s.

Monday: Mostly sunny. Highs in the lower 90s.







Zone Forecast: Fairfax County

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