Black Rock Reservoir Weather Forecast

    • 53
    • 71

    Mostly Sunny

    • 54
    • 75

    Sunny

    • 54
    • 73

    Sunny

    • 58
    • 76

    Mostly Sunny

    • 62
    • 79

    Chance Rain

    • 62
    • 78

    Chance Rain

    • 59
    • 78

    Slight Chance Thunderstorms

Today 4 Sep Fresno-Tulare Lower Sierra

Sunny. Highs 68 to 80. Southwest Winds up to 10 Mph.

Tonight 4 Sep Fresno-Tulare Lower Sierra

Mostly clear. Lows 51 to 63. West Winds up to 5 Mph shifting to the east after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Black Rock Reservoir Temperature Statistics

September Temperature

Fresno, Fresno Air Terminal (39.8 miles)

  • Lowest 2 September, 2026

    59 °F

  • Average September

    71.5 °F

  • Highest 2 September, 2026

    84 °F

Climate (2021–2026)

Fresno, Fresno Air Terminal (39.8 miles)

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  • Average Low 2021–2026

    55.5 °F

  • Average 2021–2026

    66.9 °F

  • Average High 2021–2026

    79 °F
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