Hermon Weather Forecast

    • 44
    • 75

    Partly Sunny

    • 57
    • 80

    Mostly Sunny

    • 35
    • 76

    Mostly Cloudy

    • 37
    • 53

    Partly Sunny

    • 39
    • 59

    Mostly Cloudy

    • 46
    • 61

    Partly Sunny

Today 20 Mar Knox

Mostly sunny. Highs in the mid 70s. Southwest Winds 5 to 10 Mph, becoming northwest 10 to 15 Mph this afternoon.

Tonight 20 Mar Knox

Mostly cloudy. Lows in the mid 40s. North Winds 5 to 10 Mph, becoming east after midnight.

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Hermon Temperature Statistics

March Temperature

Galesburg Municipal Airport (13 miles)

  • Lowest 16 March, 2026

    13.1 °F

  • Average March

    43.4 °F

  • Highest 10 March, 2026

    81.7 °F

Climate (2021–Present)

Galesburg Municipal Airport (13 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.1 °F
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