Caldwell Weather Forecast

    • 24
    • 41

    Increasing Clouds

    • 33
    • 40

    Rain Likely

    • 36
    • 44

    Rain Likely

    • 34
    • 51

    Chance Rain

    • 34
    • 51

    Chance Rain

    • 36
    • 51

    Mostly Cloudy

Today 3 Dec Lower Treasure Valley

Areas of fog this morning. Sunny. Highs 39 to 44. Northwest Winds up to 10 Mph.

Tonight 3 Dec Lower Treasure Valley

Increasing Clouds. Areas of fog. Lows 23 to 28. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Caldwell Temperature Statistics

December Temperature

Caldwell - Caldwell Industrial Airport (3.1 miles)

  • Lowest 1 December, 2025

    19 °F

  • Average December

    31 °F

  • Highest 1 December, 2025

    39.9 °F

Climate (2020–Present)

Caldwell - Caldwell Industrial Airport (3.1 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    65.1 °F
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