Herndon Weather Forecast

    • 58
    • 92

    Mostly Sunny

    • 61
    • 94

    Mostly Sunny

    • 56
    • 93

    Partly Sunny

    • 55
    • 84

    Mostly Sunny

    • 55
    • 84

    Partly Sunny

    • 53
    • 84

    Mostly Sunny

Today 19 Mar Fresno-Clovis

Sunny. Highs in the lower 90s. East Winds up to 5 Mph shifting to the northwest in the afternoon.

Tonight 19 Mar Fresno-Clovis

Clear. Lows in the lower 60s. Northwest Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Herndon Temperature Statistics

March Temperature

Fresno Chandler Executive Airport (8.7 miles)

  • Lowest 6 March, 2026

    42.8 °F

  • Average March

    61.6 °F

  • Highest 16 March, 2026

    84.2 °F

Climate (2021–Present)

Fresno Chandler Executive Airport (8.7 miles)

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  • Average Low 2021–2026

    55 °F

  • Average 2021–2026

    66.2 °F

  • Average High 2021–2026

    77.7 °F
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