Gilson Weather Forecast

    • 62
    • 83

    Mostly Sunny

    • 65
    • 85

    Mostly Sunny

    • 65
    • 82

    Rain Showers

    • 63
    • 81

    Partly Sunny

    • 65
    • 83

    Slight Chance Thunderstorms

    • 67
    • 85

    Slight Chance Thunderstorms

Today 3 Aug Knox

Patchy fog in the morning. Mostly sunny. Highs in the lower 80s. East Winds around 5 Mph.

Tonight 3 Aug Knox

Mostly clear. Lows in the lower 60s. Southeast Winds around 5 Mph.

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Gilson Temperature Statistics

August Temperature

Galesburg Municipal Airport (13 miles)

  • Lowest

  • Average August

  • Highest

Climate (2021–2026)

Galesburg Municipal Airport (13 miles)

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  • Average Low 2021–2026

    41.7 °F
  • Average 2021–2026

    52.1 °F
  • Average High 2021–2026

    62.5 °F
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