Sat Feb 22 12:35:09 AM EST 2025 Fairfax- Including the cities of Reston, Herndon, Annandale, Centreville, Chantilly, McLean, and Franconia 1234 AM EST Sat Feb 22 2025 .OVERNIGHT...Clear. Lows in the lower 20s. Northwest winds 5 to 10 mph. .SATURDAY...Sunny in the morning, then becoming partly sunny. Highs in the lower 40s. West winds around 5 mph, becoming southwest around 5 mph in the afternoon. .SATURDAY NIGHT...Mostly cloudy in the evening, then clearing. Lows in the upper 20s. South winds around 5 mph, becoming west around 5 mph after midnight. .SUNDAY...Sunny. Highs in the upper 40s. West winds around 5 mph. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 20s. Southwest winds around 5 mph in the evening, becoming light and variable. .MONDAY...Mostly sunny. Highs in the mid 50s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 30s. .TUESDAY...Mostly sunny. Highs in the lower 60s. .TUESDAY NIGHT...Partly cloudy. Lows in the upper 30s. .WEDNESDAY...Mostly sunny. Highs in the upper 50s. .WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower 40s. .THURSDAY...Partly sunny with a 50 percent chance of rain. Highs in the mid 50s. .THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s. .FRIDAY...Mostly sunny. Highs in the lower 50s.