Jamieson Weather Forecast

    • 30
    • 54

    Increasing Clouds

    • 32
    • 57

    Partly Sunny

    • 38
    • 54

    Chance Rain Showers

    • 36
    • 58

    Slight Chance Rain Showers

    • 35
    • 61

    Mostly Sunny

    • 37
    • 60

    Mostly Cloudy

Today 26 Feb Oregon Lower Treasure Valley

Sunny. Highs 50 to 55. Light Winds this Morning, becoming southeast up to 10 Mph this afternoon.

Tonight 26 Feb Oregon Lower Treasure Valley

Partly cloudy. Lows 28 to 33. Light Winds.

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  • Temperature Real-Time

Jamieson Temperature Statistics

February Temperature

Ontario Municipal Airport (24.2 miles)

  • Lowest 19 February, 2026

    18.6 °F

  • Average February

    39.7 °F

  • Highest 22 February, 2026

    63 °F

Climate (2021–Present)

Ontario Municipal Airport (24.2 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    67.2 °F
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