Big Reservoir Weather Forecast

    • 64
    • 89

    Sunny

    • 66
    • 91

    Sunny

    • 67
    • 91

    Mostly Sunny

    • 68
    • 94

    Mostly Sunny

    • 68
    • 94

    Mostly Sunny

    • 69
    • 94

    Mostly Sunny

    • 66
    • 92

    Mostly Sunny

Today 29 Aug West Slope Northern Sierra Nevada

Sunny. Highs 67 to 82 higher Elevations. 82 to 92 lower Elevations. Prevailing east Winds up to 10 Mph shifting to the west in the afternoon.

Tonight 29 Aug West Slope Northern Sierra Nevada

Clear. Lows 46 to 61 higher Elevations. 57 to 71 lower Elevations. Prevailing northwest Winds up to 10 Mph shifting to the northeast after midnight.

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Big Reservoir Temperature Statistics

August Temperature

Emigrant Gap, Blue Canyon Nyack Airport (9.3 miles)

  • Lowest 19 August, 2025

    56.6 °F

  • Average August

    70.8 °F

  • Highest 22 August, 2025

    87.7 °F

Climate (2020–Present)

Emigrant Gap, Blue Canyon Nyack Airport (9.3 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    60.6 °F
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