Keller Weather Forecast

    • 57
    • 81

    Mostly Sunny

    • 58
    • 91

    Increasing Clouds

    • 51
    • 76

    Rain Showers Likely

    • 49
    • 71

    Slight Chance Rain Showers

    • 50
    • 73

    Mostly Cloudy

    • 51
    • 75

    Partly Sunny

    • 54
    • 79

    Partly Sunny

Today 27 May Okanogan Highlands

Partly cloudy. Highs in the upper 70s to mid 80s.

Tonight 27 May Okanogan Highlands

Mostly clear. Lows in the 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Keller Temperature Statistics

May Temperature

Omak Airport (46.6 miles)

  • Lowest 16 May, 2026

    35.7 °F

  • Average May

    62.3 °F

  • Highest 23 May, 2026

    87.7 °F

Climate (2021–Present)

Omak Airport (46.6 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    63.1 °F
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