Oneka Lake Weather Forecast

    • 67
    • 89

    Chance Thunderstorms

    • 63
    • 86

    Partly Sunny

    • 66
    • 87

    Chance Thunderstorms

    • 66
    • 84

    Chance Thunderstorms

    • 66
    • 80

    Rain Showers Likely

    • 64
    • 82

    Chance Rain Showers

    • 58
    • 81

    Partly Sunny

Today 3 Sep Washington

Partly sunny. Chance of Thunderstorms early in the Afternoon, then slight chance of Thunderstorms late in the afternoon. Highs in the mid 80s. South Winds 5 to 10 Mph. Chance of Thunderstorms 50 percent.

Tonight 3 Sep Washington

Partly cloudy. Slight chance of Thunderstorms early in the Evening, then chance of Thunderstorms in the late evening and early morning. Slight chance of Thunderstorms late in the night. Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of Thunderstorms 50 percent.

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  • Temperature Real-Time

Oneka Lake Temperature Statistics

September Temperature

Minneapolis / Blaine (11.8 miles)

  • Lowest 1 September, 2026

    58.6 °F

  • Average September

    69.1 °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

    57.4 °F
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