Oneka Lake Weather Forecast

    • 64
    • 81

    Rain Showers

    • 60
    • 80

    Rain Showers Likely

    • 52
    • 76

    Mostly Sunny

    • 59
    • 78

    Mostly Sunny

    • 56
    • 79

    Chance Rain Showers

    • 51
    • 73

    Partly Sunny

    • 51
    • 69

    Chance Rain Showers

Today 7 Sep Washington

Partly sunny. Near steady temperature in the upper 70s. South Winds around 15 Mph.

Tonight 7 Sep Washington

Mostly cloudy. Chance of Thunderstorms through the night. Showers after midnight. Lows in the mid 60s. South Winds 10 to 15 Mph. Chance of precipitation 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oneka Lake Temperature Statistics

September Temperature

Minneapolis / Blaine (11.8 miles)

  • Lowest 1 September, 2026

    58.6 °F

  • Average September

    71.6 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Minneapolis / Blaine (11.8 miles)

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  • Average Low 2021–2026

    39.1 °F

  • Average 2021–2026

    46.7 °F

  • Average High 2021–2026

    57.5 °F
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