Colchester Weather Forecast

    • 72
    • 86

    Rain Showers Likely

    • 64
    • 84

    Chance Thunderstorms

    • 62
    • 80

    Mostly Sunny

    • 67
    • 83

    Rain Showers Likely

    • 61
    • 79

    Partly Sunny

    • 60
    • 76

    Partly Sunny

    • 61
    • 78

    Partly Sunny

Today 15 Aug McDonough

Partly sunny. Highs in the mid 80s. Southwest Winds around 5 Mph.

Tonight 15 Aug McDonough

Mostly cloudy. A slight chance of Showers and Thunderstorms this Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. Southwest Winds around 5 Mph. Chance of rain 50 percent. Heat index Values up to 108 early this evening.

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Colchester Temperature Statistics

August Temperature

Macomb Municipal Airport (9.9 miles)

  • Lowest 3 August, 2026

    57.2 °F

  • Average August

    74.1 °F

  • Highest 11 August, 2026

    89.1 °F

Climate (2021–2026)

Macomb Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    64.5 °F
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