Boise Weather Forecast

    • 30
    • 76

    Breezy

    • 45
    • 63

    Mostly Sunny

    • 42
    • 77

    Mostly Sunny

    • 45
    • 77

    Mostly Cloudy

    • 50
    • 76

    Partly Sunny

    • 48
    • 76

    Mostly Sunny

Today 20 Dec Oldham

Mostly sunny. Highs in the mid 70s. West Winds 15 to 20 Mph with Gusts up to 40 Mph, becoming northeast 10 to 15 Mph with Gusts up to 25 Mph in the afternoon.

Tonight 20 Dec Oldham

Mostly clear. Lows in the upper 20s. East Winds 10 to 15 Mph.

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Boise Temperature Statistics

December Temperature

Hereford Municipal Airport (38.5 miles)

  • Lowest 1 December, 2025

    21.2 °F

  • Average December

    42.8 °F

  • Highest 11 December, 2025

    80.8 °F

Climate (2020–Present)

Hereford Municipal Airport (38.5 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    60.1 °F

  • Average High 2020–2025

    75.5 °F
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