Hetch Hetchy Reservoir Weather Forecast

    • 48
    • 77

    Mostly Sunny

    • 46
    • 72

    Partly Sunny

    • 37
    • 61

    Chance Rain

    • 32
    • 55

    Slight Chance Rain

    • 36
    • 57

    Chance Rain

    • 37
    • 55

    Rain Showers Likely

    • 35
    • 57

    Chance Rain

Today 25 Mar Yosemite NP outside of the valley

Sunny. Highs 51 to 65. Southeast Winds up to 10 Mph shifting to the southwest in the afternoon.

Tonight 25 Mar Yosemite NP outside of the valley

Mostly clear. Lows 30 to 44. East Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hetch Hetchy Reservoir Temperature Statistics

March Temperature

MCMWTC BRIDGEPORT (30.4 miles)

  • Lowest 18 March, 2025

    8.1 °F

  • Average March

    33.8 °F

  • Highest 23 March, 2025

    62.1 °F

Climate (2020–Present)

MCMWTC BRIDGEPORT (30.4 miles)

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  • Average Low 2020–2025

    29.3 °F

  • Average 2020–2025

    45.3 °F

  • Average High 2020–2025

    60.7 °F
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