Colchester Weather Forecast

    • 59
    • 73

    Chance Rain Showers

    • 71
    • 78

    Chance Rain Showers

    • 65
    • 84

    Rain Showers

    • 67
    • 83

    Rain Showers Likely

    • 62
    • 80

    Chance Rain Showers

    • 59
    • 78

    Chance Rain Showers

Today 13 Sep McDonough

Partly sunny with a slight chance of Thunderstorms. A slight chance of Showers in the Morning, then a chance of Showers in the afternoon. Not as warm with Highs in the lower 70s. North Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 13 Sep McDonough

Partly cloudy. Near steady temperature in the lower 60s. North Winds around 5 Mph.

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Colchester Temperature Statistics

September Temperature

Macomb Municipal Airport (9.9 miles)

  • Lowest 7 September, 2026

    59.7 °F

  • Average September

    77.2 °F

  • Highest 5 September, 2026

    94.6 °F

Climate (2021–2026)

Macomb Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    64.5 °F
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