Rattlesnake Mountain Weather Forecast

    • 20
    • 31

    Mostly Sunny

    • 22
    • 31

    Mostly Sunny

    • 27
    • 30

    Snow

    • 26
    • 30

    Snow

    • 24
    • 29

    Snow

    • 26
    • 29

    Snow

Today 29 Jan Boise Mountains

Sunny. Highs 31 to 40.

Tonight 29 Jan Boise Mountains

Mostly clear. Lows 7 to 22.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rattlesnake Mountain Temperature Statistics

January Temperature

Boise Air Terminal (32.9 miles)

  • Lowest 22 January, 2025

    12.8 °F

  • Average January

    31.2 °F

  • Highest 3 January, 2025

    49.6 °F

Climate (2020–Present)

Boise Air Terminal (32.9 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    54.3 °F

  • Average High 2020–2025

    65.5 °F
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