Pearl Weather Forecast

    • 58
    • 80

    Increasing Clouds

    • 54
    • 78

    Partly Sunny

    • 58
    • 80

    Mostly Sunny

    • 58
    • 86

    Partly Sunny

    • 48
    • 75

    Slight Chance Rain Showers

    • 47
    • 70

    Partly Sunny

Today 21 Sep Lower Treasure Valley

Sunny. Highs 81 to 86. Southeast Winds 10 to 15 Mph with Gusts to 25 Mph.

Tonight 21 Sep Lower Treasure Valley

Increasing Clouds. Lows 52 to 57. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Pearl Temperature Statistics

September Temperature

Boise Air Terminal (19.9 miles)

  • Lowest 3 September, 2026

    46.7 °F

  • Average September

    65.8 °F

  • Highest 12 September, 2026

    90.6 °F

Climate (2021–2026)

Boise Air Terminal (19.9 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    66.3 °F
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