Clarkson Weather Forecast

    • 70
    • 96

    Chance Rain Showers

    • 62
    • 87

    Mostly Sunny

    • 66
    • 89

    Mostly Sunny

    • 70
    • 91

    Mostly Sunny

    • 69
    • 94

    Mostly Sunny

    • 63
    • 91

    Slight Chance Thunderstorms

Today 5 Sep Grayson

Mostly sunny. Isolated Thunderstorms late in the afternoon. Highs in the upper 90s. Northwest Winds up to 10 Mph. Chance of Thunderstorms 20 percent.

Tonight 5 Sep Grayson

Mostly cloudy with scattered Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 60s. North Winds up to 5 Mph. Chance of Thunderstorms 30 percent.

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  • Temperature Real-Time

Clarkson Temperature Statistics

September Temperature

Fort Knox (31.1 miles)

  • Lowest 1 September, 2026

    71.1 °F

  • Average September

    83.9 °F

  • Highest 3 September, 2026

    98.1 °F

Climate (2021–2026)

Fort Knox (31.1 miles)

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  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    57.6 °F

  • Average High 2021–2026

    67.5 °F
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