Sidley Lake Weather Forecast

    • 36
    • 60

    Chance Rain Showers

    • 36
    • 58

    Increasing Clouds

    • 34
    • 53

    Mostly Cloudy

    • 33
    • 49

    Rain/Snow Likely

    • 35
    • 56

    Partly Sunny

    • 39
    • 60

    Partly Sunny

    • 39
    • 61

    Partly Sunny

Today 13 May Okanogan Highlands

Rain Showers and a chance of Thunderstorms. Highs in the lower 60s to lower 70s. Temperature falling to around 50 in the afternoon. Southwest wind 10 to 20 Mph with Gusts up to 40 Mph. Chance of precipitation near 100 percent. Rainfall Amounts up to a half inch Possible, except higher Amounts possible in Thunderstorms.

Tonight 13 May Okanogan Highlands

Mostly cloudy in the evening then clearing. A chance of rain Showers in the evening. Lows in the upper 30s to mid 40s. Windy. Southwest wind 10 to 20 Mph in the Evening, becoming light and variable. Gusts up to 35 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sidley Lake Temperature Statistics

May Temperature

Omak Airport (38.5 miles)

  • Lowest 1 May, 2026

    39.7 °F

  • Average May

    65.1 °F

  • Highest 3 May, 2026

    86.6 °F

Climate (2021–Present)

Omak Airport (38.5 miles)

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  • Average Low 2021–2026

    41 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    63.1 °F
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