Boulder Reservoir Weather Forecast

    • 51
    • 81

    Patchy Smoke

    • 40
    • 72

    Blowing Dust

    • 42
    • 62

    Breezy

    • 40
    • 60

    Chance Rain Showers

    • 41
    • 62

    Chance Rain Showers

    • 42
    • 66

    Chance Rain Showers

    • 43
    • 68

    Partly Sunny

Today 31 Aug Northern Washoe County

Sunny. Highs 83 to 93. Light Winds becoming south 10 to 15 Mph in the afternoon.

Tonight 31 Aug Northern Washoe County

Partly cloudy in the evening then becoming mostly cloudy. Patchy smoke after midnight. Lows 49 to 59. West Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boulder Reservoir Temperature Statistics

August Temperature

Alturas (42.9 miles)

  • Lowest 16 August, 2026

    38.6 °F

  • Average August

    69.2 °F

  • Highest 7 August, 2026

    101.6 °F

Climate (2021–2026)

Alturas (42.9 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    49.2 °F

  • Average High 2021–2026

    64.8 °F
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