Caldwell Weather Forecast

    • 43
    • 63

    Increasing Clouds

    • 33
    • 64

    Chance Rain Showers

    • 32
    • 57

    Mostly Sunny

    • 34
    • 61

    Mostly Sunny

    • 38
    • 64

    Partly Sunny

    • 44
    • 67

    Partly Sunny

Today 18 Oct Lower Treasure Valley

Areas of fog and frost this morning. Sunny. Highs 60 to 65. Northwest Winds up to 10 Mph this Morning, becoming light this afternoon.

Tonight 18 Oct Lower Treasure Valley

Mostly clear in the Evening, then partly cloudy with a slight chance of rain Showers after midnight. Chance of rain 20 percent. Lows 41 to 46. Southeast Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Caldwell Temperature Statistics

October Temperature

Caldwell - Caldwell Industrial Airport (3.1 miles)

  • Lowest 6 October, 2025

    37.9 °F

  • Average October

    56.1 °F

  • Highest 10 October, 2025

    82.9 °F

Climate (2020–Present)

Caldwell - Caldwell Industrial Airport (3.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    41.5 °F

  • Average 2020–2025

    53 °F

  • Average High 2020–2025

    65 °F
Get WillyWeather+ to remove ads