Oneka Lake Weather Forecast

    • 44
    • 64

    Mostly Sunny

    • 50
    • 65

    Partly Sunny

    • 52
    • 64

    Slight Chance Rain Showers

    • 54
    • 68

    Slight Chance Rain Showers

    • 54
    • 63

    Chance Rain Showers

    • 55
    • 70

    Slight Chance Rain Showers

Today 22 Sep Washington

Mostly cloudy with a 50 percent chance of rain Showers. Highs in the upper 60s.

Tonight 22 Sep Washington

Mostly clear. Lows in the mid 40s. Southeast Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oneka Lake Temperature Statistics

September Temperature

Minneapolis / Blaine (11.8 miles)

  • Lowest 14 September, 2026

    43.7 °F

  • Average September

    64.6 °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

    57.4 °F
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