Herndon Weather Forecast
- 37
- 59
Sunny
- 56
- 71
Partly Sunny
- 64
- 79
Partly Sunny
- 60
- 80
Mostly Cloudy
- 53
- 69
Chance Rain Showers
- 56
- 67
Rain Showers Likely
Today 28 Mar Christian
Sunny. Highs in the upper 50s. Northeast Winds 5 to 10 Mph.
Tonight 28 Mar Christian
Clear and much cooler. Near steady temperature in the mid 30s. North Winds 5 to 10 Mph.
Herndon Temperature Statistics
March Temperature
Fort Campbell U. S. Army Airfield (5.6 miles)
Lowest 16 March, 2026
28 °FAverage March
60.1 °FHighest 22 March, 2026
89.2 °F
Climate (2021–Present)
Fort Campbell U. S. Army Airfield (5.6 miles)
Average Low 2021–2026
50.6 °FAverage 2021–2026
60.3 °FAverage High 2021–2026
70.1 °F