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: 1256 AM EST Sat Mar 7 2026




Overnight: Cloudy with a 20 percent chance of showers. Areas of fog. Lows in the mid 40s. Southeast winds around 5 mph.

Saturday: Cloudy in the morning, then becoming partly sunny. Widespread dense fog in the morning with visibility one quarter mile or less at times. Highs around 70. South winds 5 to 10 mph. Gusts up to 25 mph in the afternoon.

Saturday Night: Mostly cloudy. A chance of rain in the evening, then rain likely after midnight. Lows in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Sunday: Mostly cloudy with a 50 percent chance of rain. Highs in the lower 70s. West winds 5 to 10 mph.

Sunday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 40s. Northwest winds around 5 mph.

Monday: Sunny. Highs in the lower 70s.

Monday Night: Clear. Lows in the lower 50s.

Tuesday: Sunny. Highs around 80.

Tuesday Night: Partly cloudy. Lows in the lower 60s.

Wednesday: Mostly cloudy with a 40 percent chance of rain. Highs in the lower 80s.

Wednesday Night: Rain likely. Lows in the upper 40s. Chance of rain 70 percent.

Thursday: Partly sunny with a 40 percent chance of rain. Highs in the lower 60s. Temperature falling into the upper 40s in the afternoon.

Thursday Night: Mostly clear. Lows in the lower 30s.

Friday: Partly sunny. Highs in the lower 50s.







Zone Forecast: Fairfax County

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