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: 1057 PM EDT Tue Mar 17 2026
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Rest Of Tonight: Mostly clear. Lows in the upper 20s. Northwest winds 5 to 10 mph.

Wednesday: Mostly sunny. Highs in the lower 40s. North winds around 5 mph, becoming south around 5 mph in the afternoon.

Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 30. Southeast winds around 5 mph.

Thursday: Mostly sunny. Highs in the mid 50s. South winds around 5 mph.

Thursday Night: Mostly cloudy. Lows in the upper 30s. South winds around 5 mph.

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

Friday Night: Mostly cloudy. Lows in the lower 40s.

Saturday: Partly sunny. Highs in the lower 60s.

Saturday Night: Mostly cloudy. Lows in the mid 40s.

Sunday: Partly sunny. Highs around 70.

Sunday Night: Mostly cloudy with a 30 percent chance of rain. Lows in the mid 40s.

Monday: Mostly sunny. Highs in the upper 50s.

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

Tuesday: Mostly sunny. Highs in the upper 40s.







Zone Forecast: Fairfax County

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