Sweetwater Lake Weather Forecast

    • 67
    • 82

    Chance Thunderstorms

    • 67
    • 83

    Chance Rain Showers

    • 66
    • 85

    Partly Sunny

    • 63
    • 81

    Partly Sunny

    • 64
    • 81

    Chance Rain Showers

    • 67
    • 83

    Slight Chance Thunderstorms

    • 66
    • 84

    Mostly Sunny

Today 28 Aug Day

Partly sunny with a 20 percent chance of Showers. Near steady temperature in the upper 70s. South Winds 10 to 15 Mph.

Tonight 28 Aug Day

Mostly cloudy with a chance of Thunderstorms. Showers likely after midnight. Lows in the mid 60s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sweetwater Lake Temperature Statistics

August Temperature

Aberdeen, Aberdeen Regional Airport (29.2 miles)

  • Lowest 5 August, 2026

    45.6 °F

  • Average August

    70.3 °F

  • Highest 3 August, 2026

    88.6 °F

Climate (2021–2026)

Aberdeen, Aberdeen Regional Airport (29.2 miles)

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  • Average Low 2021–2026

    34.3 °F

  • Average 2021–2026

    46.3 °F

  • Average High 2021–2026

    58.3 °F
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