Lake Osoyoos State Park Weather Forecast

    • 27
    • 40

    Partly Sunny

    • 28
    • 39

    Partly Sunny

    • 27
    • 42

    Partly Sunny

    • 28
    • 40

    Mostly Cloudy

    • 30
    • 40

    Mostly Cloudy

    • 20
    • 39

    Chance Rain/Snow

Today 18 Jan Okanogan Valley

Mostly sunny. Areas of fog. Highs in the 30s.

Tonight 18 Jan Okanogan Valley

Areas of fog in the evening. Partly cloudy. Lows in the mid to upper 20s.

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Lake Osoyoos State Park Temperature Statistics

January Temperature

Omak Airport (33.6 miles)

  • Lowest 1 January, 2026

    19 °F

  • Average January

    33.9 °F

  • Highest 15 January, 2026

    48 °F

Climate (2021–Present)

Omak Airport (33.6 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    62.9 °F
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