Letha Weather Forecast

    • 37
    • 60

    Gradual Clearing

    • 37
    • 62

    Partly Sunny

    • 37
    • 66

    Partly Sunny

    • 40
    • 66

    Partly Sunny

    • 44
    • 68

    Slight Chance Rain Showers

    • 43
    • 62

    Chance Rain Showers

    • 37
    • 60

    Chance Rain Showers

Today 9 Nov Lower Treasure Valley

Areas of fog in the morning. Partly cloudy with a 30 percent chance of rain Showers. Highs 52 to 57.

Tonight 9 Nov Lower Treasure Valley

Mostly cloudy this Evening, then clearing. Areas of fog after midnight. Lows 35 to 41. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Letha Temperature Statistics

November Temperature

Caldwell - Caldwell Industrial Airport (17.4 miles)

  • Lowest 6 November, 2026

    28.9 °F

  • Average November

    46.4 °F

  • Highest 7 November, 2026

    62.1 °F

Climate (2021–2026)

Caldwell - Caldwell Industrial Airport (17.4 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    65.4 °F
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