Bonner Lake Weather Forecast

    • 39
    • 68

    Increasing Clouds

    • 42
    • 75

    Mostly Sunny

    • 45
    • 75

    Partly Sunny

    • 47
    • 78

    Mostly Sunny

    • 45
    • 79

    Partly Sunny

    • 44
    • 75

    Partly Sunny

    • 37
    • 64

    Partly Sunny

Today 19 May Western Okanogan County

Mostly cloudy. Highs in the mid 60s to lower 70s.

Tonight 19 May Western Okanogan County

Partly cloudy. Lows in the 40s. Northwest wind 5 to 15 Mph in the Evening, becoming light and Variable, Gusts up to 35 Mph decreasing to 25 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bonner Lake Temperature Statistics

May Temperature

Omak Airport (26.7 miles)

  • Lowest 16 May, 2026

    35.7 °F

  • Average May

    61.6 °F

  • Highest 3 May, 2026

    86.6 °F

Climate (2021–Present)

Omak Airport (26.7 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    63 °F
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