Big Mosquito Lake Weather Forecast

    • 36
    • 47

    Rain Showers

    • 37
    • 52

    Mostly Cloudy

    • 39
    • 56

    Partly Sunny

    • 42
    • 56

    Mostly Cloudy

    • 42
    • 50

    Chance Rain

    • 42
    • 53

    Chance Rain

    • 39
    • 49

    Partly Sunny

Today 25 Sep South Washington Cascades

Mostly cloudy with a chance of rain Showers with a slight chance of Thunderstorms. Snow level 6000 feet. West wind 15 to 20 Mph with Gusts up to 40 Mph. Chance of rain 50 percent. Rainfall Amounts a tenth to a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 25 Sep South Washington Cascades

Mostly cloudy. A chance of rain Showers in the evening. Patchy fog after midnight. Snow level 5000 feet. Northwest wind 5 to 10 Mph. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Mosquito Lake Temperature Statistics

September Temperature

The Dalles Municipal Airport (44.7 miles)

  • Lowest 17 September, 2026

    47.6 °F

  • Average September

    66.1 °F

  • Highest 20 September, 2026

    90.6 °F

Climate (2021–2026)

The Dalles Municipal Airport (44.7 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    66.8 °F
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