Herndon Weather Forecast

    • 50
    • 68

    Rain Showers Likely

    • 53
    • 78

    Mostly Sunny

    • 55
    • 84

    Sunny

    • 58
    • 89

    Sunny

    • 60
    • 94

    Mostly Sunny

    • 60
    • 95

    Mostly Sunny

Today 28 May Fresno-Clovis

Chance of rain early in the Morning, then rain Showers likely and slight chance of Thunderstorms in the late morning and afternoon. Highs in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of precipitation 70 percent.

Tonight 28 May Fresno-Clovis

Mostly cloudy with a 30 percent chance of rain in the Evening, then partly cloudy after midnight. Lows in the lower 50s. Southeast Winds up to 5 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Herndon Temperature Statistics

May Temperature

Fresno Chandler Executive Airport (8.7 miles)

  • Lowest 6 May, 2026

    51.8 °F

  • Average May

    72.7 °F

  • Highest 11 May, 2026

    98.6 °F

Climate (2021–Present)

Fresno Chandler Executive Airport (8.7 miles)

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  • Average Low 2021–2026

    55.1 °F

  • Average 2021–2026

    66.4 °F

  • Average High 2021–2026

    78 °F
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