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Great Falls, VA Weather Forecast
Great Falls, VA Weather Forecast Date: 225 PM EDT Tue Oct 20 2026
The area/counties/county of: Fairfax, including the cities of: Burke, Fairfax Station, Reston, Annandale, Chantilly, Langley, and Mclean.or toggle through each period.
This Afternoon... Sunny. Highs in the upper 60s. North winds around 10 mph.
Tonight... Clear. Lows in the upper 40s. North winds 5 to 10 mph.
Wednesday... Sunny. Highs in the mid 60s. North winds 5 to 10 mph.
Wednesday Night... Mostly clear. Lows in the mid 40s. North winds around 5 mph.
Thursday... Sunny. Highs in the upper 60s. Northwest winds 5 to 10 mph with gusts up to 20 mph.
Thursday Night... Mostly clear. Lows in the mid 40s.
Friday... Sunny. Highs in the lower 60s.
Friday Night... Clear. Lows around 40.
Saturday... Sunny. Highs in the lower 60s.
Saturday Night... Mostly clear. Lows in the lower 40s.
Sunday... Sunny. Highs in the mid 60s.
Sunday Night... Mostly clear. Lows in the mid 40s.
POP = Probability of Precipitation
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