Lake Agnes Weather Forecast

    • 59
    • 86

    Chance Thunderstorms

    • 58
    • 71

    Rain Showers

    • 55
    • 70

    Rain Showers Likely

    • 53
    • 70

    Chance Rain Showers

    • 55
    • 76

    Partly Sunny

    • 56
    • 80

    Mostly Sunny

Today 16 Sep Lyman

Mostly cloudy with a slight chance of Thunderstorms this Morning, then partly sunny with a chance of Thunderstorms this afternoon. Highs in the mid 80s. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph this morning. Chance of rain 50 percent.

Tonight 16 Sep Lyman

Mostly cloudy with a 50 percent chance of Thunderstorms. Lows in the upper 50s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Agnes Temperature Statistics

September Temperature

Chamberlain, Chamberlain Municipal Airport (18.6 miles)

  • Lowest 6 September, 2025

    37.8 °F

  • Average September

    66.4 °F

  • Highest 8 September, 2025

    89.1 °F

Climate (2020–Present)

Chamberlain, Chamberlain Municipal Airport (18.6 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    59.2 °F
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