10-Day Weather Forecast - Herndon, VA
- 57|45°FMostly CloudyHourly details
Today
57°FMostly cloudy. Highs in the upper 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph.
Tonight
45°FMostly cloudy in the evening then clearing. Lows in the mid 40s. Northeast winds 5 to 10 mph.
- 65|47°FSunnyHourly details
Day
65°FSunny. Highs in the upper 60s. North winds around 5 mph becoming east in the afternoon.
Night
47°FMostly clear in the evening then becoming partly cloudy. Lows in the mid 40s. Southeast winds around 5 mph.
- 62|52°F50% Chance Rain ShowersHourly details
Day
62°FPartly sunny in the morning then mostly cloudy with a chance of showers in the afternoon. Highs in the upper 60s. South winds 5 to 10 mph. Chance of rain 50 percent.
Night
52°FMostly cloudy with a 50 percent chance of showers. Lows in the lower 50s.
- 64|51°FThunderstormsHourly details
Day
64°FShowers with a chance of thunderstorms. Highs around 70. Chance of rain 90 percent.
Night
51°FShowers likely. Lows around 50. Chance of rain 70 percent.
- 60|44°FMostly SunnyHourly details
Day
60°FMostly sunny. Highs in the lower 60s.
Night
44°FMostly clear. Lows in the lower 40s.
- 61|47°FSunnyHourly details
Day
61°FSunny. Highs in the mid 60s.
Night
47°FPartly cloudy with a 30 percent chance of showers. Lows in the lower 40s.
Weekend Weather
- 61|43°F30% Chance Rain Showers
Day
61°FMostly sunny with a 30 percent chance of showers. Highs in the lower 60s.
Night
43°FMostly clear. Low temperature around 43F. Dew point will be around 37F with an average humidity of 64%. Winds will be 7 mph from the NW.
- 60|46°FMostly Sunny
Day
60°FMostly sunny. High temperature around 60F. Dew point will be around 40F with an average humidity of 59%. Winds will be 9 mph from the NW.
Night
46°FPartly cloudy. Low temperature around 46F. Dew point will be around 41F with an average humidity of 71%. Winds will be 6 mph from the NW.
- 64|50°FMostly Sunny
Day
64°FMostly sunny. High temperature around 64F. Dew point will be around 43F with an average humidity of 60%. Winds will be 6 mph from the NW.
Night
50°FPartly cloudy. Low temperature around 50F. Dew point will be around 45F with an average humidity of 73%. Winds will be 3 mph from the NW.
- 67|53°F30% Chance of Rain
Day
67°FPartly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 67F. Dew point will be around 47F with an average humidity of 63%. Winds will be 4 mph from the W.
Night
53°FMostly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 53F. Dew point will be around 48F with an average humidity of 75%. Winds will be 1 mph from the NW.













