Hermon Weather Forecast

    • 54
    • 77

    Becoming Sunny

    • 59
    • 78

    Partly Sunny

    • 60
    • 80

    Chance Thunderstorms

    • 58
    • 79

    Partly Sunny

    • 62
    • 79

    Chance Rain Showers

    • 68
    • 82

    Chance Thunderstorms

Today 22 Jun Knox

Partly sunny. Not as cool with Highs in the mid 70s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 22 Jun Knox

Mostly cloudy. Near steady temperature in the upper 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Hermon Temperature Statistics

June Temperature

Galesburg Municipal Airport (13 miles)

  • Lowest 2 June, 2026

    46.4 °F

  • Average June

    70.1 °F

  • Highest 6 June, 2026

    90.3 °F

Climate (2021–2026)

Galesburg Municipal Airport (13 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    62.4 °F
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