Star Weather Forecast

    • 43
    • 59

    Rain Showers

    • 35
    • 60

    Chance Rain Showers

    • 44
    • 69

    Mostly Sunny

    • 44
    • 75

    Mostly Sunny

    • 46
    • 79

    Partly Sunny

    • 46
    • 76

    Sunny

Today 17 May Upper Treasure Valley

Rain Showers. A slight chance of Thunderstorms this afternoon. Thunderstorms may produce gusty Winds and small hail this afternoon. Chance of rain near 100 percent. Highs 58 to 63. East Winds around 10 Mph this Morning, shifting to north with Gusts to 25 Mph this afternoon.

Tonight 17 May Upper Treasure Valley

Rain Showers with a slight chance of Thunderstorms in the Evening, then a chance of rain Showers after midnight. Thunderstorms may produce gusty Winds and small hail in the evening. Chance of rain 80 percent. Lows 39 to 44. Windy. Northwest Winds 15 to 25 Mph with Gusts to 40 Mph.

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Star Temperature Statistics

May Temperature

Caldwell - Caldwell Industrial Airport (7.5 miles)

  • Lowest 1 May, 2025

    42.1 °F
  • Average May

    61.1 °F
  • Highest 9 May, 2025

    89.1 °F

Climate (2020–Present)

Caldwell - Caldwell Industrial Airport (7.5 miles)

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  • Average Low 2020–2025

    41.3 °F
  • Average 2020–2025

    52.8 °F
  • Average High 2020–2025

    64.7 °F
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