Chelsea Weather Forecast

    • 51
    • 81

    Chance Rain Showers

    • 49
    • 72

    Sunny

    • 54
    • 76

    Mostly Sunny

    • 59
    • 75

    Mostly Cloudy

    • 52
    • 77

    Partly Sunny

    • 59
    • 74

    Mostly Cloudy

Today 10 Sep Kennebec

Partly sunny. A slight chance of Showers in the morning. Highs around 80. West Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.

Tonight 10 Sep Kennebec

Partly cloudy. Less humid with Lows in the lower 50s. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chelsea Temperature Statistics

September Temperature

Augusta, Augusta State Airport (6.2 miles)

  • Lowest 1 September, 2026

    51.7 °F

  • Average September

    65.5 °F

  • Highest 4 September, 2026

    80.7 °F

Climate (2021–2026)

Augusta, Augusta State Airport (6.2 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    57.7 °F
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