Oneka Lake Weather Forecast

    • 65
    • 83

    Rain Showers Likely

    • 64
    • 77

    Chance Thunderstorms

    • 60
    • 72

    Rain Showers Likely

    • 60
    • 73

    Chance Thunderstorms

    • 61
    • 76

    Chance Thunderstorms

    • 56
    • 77

    Slight Chance Thunderstorms

    • 54
    • 72

    Partly Sunny

Today 17 Sep Washington

Partly sunny. A 20 percent chance of Thunderstorms late in the afternoon. Highs in the lower 80s. Southeast Winds up to 5 Mph.

Tonight 17 Sep Washington

Mostly cloudy. Chance of Thunderstorms until early morning. Showers likely after Midnight, then chance of Showers and slight chance of Thunderstorms late in the night. Lows in the mid 60s. East Winds up to 5 Mph. Chance of precipitation 60 percent.

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Oneka Lake Temperature Statistics

September Temperature

Minneapolis / Blaine (11.8 miles)

  • Lowest 7 September, 2025

    42.8 °F

  • Average September

    62.6 °F

  • Highest 14 September, 2025

    86 °F

Climate (2020–Present)

Minneapolis / Blaine (11.8 miles)

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  • Average Low 2020–2025

    39 °F

  • Average 2020–2025

    46.6 °F

  • Average High 2020–2025

    57.3 °F
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