Herndon Weather Forecast
- 67
- 103
Hot
- 69
- 100
Hot
- 64
- 95
Mostly Cloudy
- 61
- 96
Mostly Sunny
- 58
- 95
Mostly Sunny
- 56
- 91
Mostly Sunny
Today 26 Aug Fresno-Clovis
Sunny. Highs around 103. West Winds up to 10 Mph.
Tonight 26 Aug Fresno-Clovis
Clear. Lows in the lower 70s. Northwest Winds up to 10 Mph.
Herndon Temperature Statistics
August Temperature
Fresno Chandler Executive Airport (8.7 miles)
Lowest 14 August, 2026
62.6 °FAverage August
85.3 °FHighest 9 August, 2026
107.6 °F
Climate (2022–2026)
Fresno Chandler Executive Airport (8.7 miles)
Average Low 2022–2026
56 °FAverage 2022–2026
67.7 °FAverage High 2022–2026
79.6 °F