Hetch Hetchy Reservoir Weather Forecast

    • 49
    • 81

    Sunny

    • 46
    • 77

    Sunny

    • 45
    • 72

    Partly Sunny

    • 45
    • 68

    Chance Rain

    • 43
    • 65

    Rain Likely

    • 40
    • 59

    Rain Likely

    • 40
    • 63

    Mostly Sunny

Today 17 Oct Yosemite NP outside of the valley

Sunny. Highs 55 to 71. North Winds up to 5 Mph shifting to the west in the afternoon.

Tonight 17 Oct Yosemite NP outside of the valley

Clear. Lows 32 to 46. Northeast Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hetch Hetchy Reservoir Temperature Statistics

October Temperature

MCMWTC BRIDGEPORT (30.4 miles)

  • Lowest 14 October, 2026

    18 °F

  • Average October

    52.1 °F

  • Highest 1 October, 2026

    84.9 °F

Climate (2021–2026)

MCMWTC BRIDGEPORT (30.4 miles)

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  • Average Low 2021–2026

    29.9 °F

  • Average 2021–2026

    45.6 °F

  • Average High 2021–2026

    60.6 °F
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