Big Jim Mountain Lakes Weather Forecast

    • 52
    • 60

    Becoming Sunny

    • 52
    • 66

    Mostly Sunny

    • 55
    • 65

    Mostly Sunny

    • 51
    • 66

    Mostly Sunny

    • 48
    • 59

    Chance Rain Showers

    • 46
    • 51

    Slight Chance Rain Showers

Today 16 Sep Western Chelan County

Sunny. Highs in the mid 70s to mid 80s. Southeast wind 5 to 15 Mph in the afternoon. Gusts up to 30 Mph.

Tonight 16 Sep Western Chelan County

Haze and Areas of smoke in the evening. Clear. Lows in the mid 50s to lower 60s. Gusts up to 25 Mph in the evening.

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  • Temperature Real-Time

Big Jim Mountain Lakes Temperature Statistics

September Temperature

Wenatchee - Pangborn Memorial Airport (34.2 miles)

  • Lowest 13 September, 2025

    59 °F

  • Average September

    76 °F

  • Highest 2 September, 2025

    99 °F

Climate (2020–Present)

Wenatchee - Pangborn Memorial Airport (34.2 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    61.6 °F
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