South Twin Lake Weather Forecast

    • 56
    • 71

    Rain Showers

    • 56
    • 66

    Rain Showers

    • 55
    • 78

    Partly Sunny

    • 58
    • 75

    Mostly Cloudy

    • 54
    • 72

    Rain Showers

    • 48
    • 61

    Chance Rain Showers

Today 24 Sep Brown

Cloudy. Scattered Showers in the Morning, then isolated Showers in the afternoon. Highs around 70. South Winds 10 to 15 Mph. Chance of precipitation 40 percent.

Tonight 24 Sep Brown

Mostly cloudy. Isolated Showers after midnight. Lows in the mid 50s. Light and variable Winds. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Twin Lake Temperature Statistics

September Temperature

Ainsworth Regional Airport (18.6 miles)

  • Lowest 22 September, 2026

    47.1 °F

  • Average September

    68 °F

  • Highest 11 September, 2026

    94.8 °F

Climate (2021–2026)

Ainsworth Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    62.5 °F
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