Lake Owyhee State Park Weather Forecast

    • 61
    • 91

    Rain Showers

    • 62
    • 90

    Slight Chance Thunderstorms

    • 65
    • 92

    Slight Chance Thunderstorms

    • 63
    • 93

    Partly Sunny

    • 64
    • 92

    Partly Sunny

    • 62
    • 91

    Partly Sunny

    • 61
    • 89

    Mostly Sunny

Today 26 Jul Malheur County

Partly cloudy. Scattered Showers and Thunderstorms this afternoon. Thunderstorms may produce gusty Winds this afternoon. Chance of rain 40 percent. Highs 86 to 94. West Winds 10 to 15 Mph.

Tonight 26 Jul Malheur County

Mostly cloudy with scattered Showers and Thunderstorms this Evening, then partly cloudy after midnight. Thunderstorms may produce gusty Winds this evening. Chance of rain 40 percent. Lows 52 to 62. West Winds 10 to 15 Mph. Gusts to 30 Mph this evening.

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  • Temperature Real-Time

Lake Owyhee State Park Temperature Statistics

July Temperature

Ontario Municipal Airport (29.8 miles)

  • Lowest 5 July, 2025

    50.6 °F

  • Average July

    78.6 °F

  • Highest 1 July, 2025

    104.6 °F

Climate (2020–Present)

Ontario Municipal Airport (29.8 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    67.1 °F
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