Bighorn Lake Weather Forecast

    • 45
    • 62

    Decreasing Clouds

    • 43
    • 61

    Slight Chance Thunderstorms

    • 38
    • 58

    Mostly Sunny

    • 34
    • 54

    Mostly Sunny

    • 34
    • 54

    Mostly Sunny

    • 34
    • 53

    Mostly Sunny

Today 9 Sep Upper San Joaquin River

Warmer. Mostly sunny. Highs 65 to 81. Southeast Winds up to 10 Mph shifting to the west in the afternoon.

Tonight 9 Sep Upper San Joaquin River

Partly cloudy. Lows 48 to 60. West Winds up to 5 Mph with Gusts to around 20 Mph shifting to the northeast after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Bighorn Lake Temperature Statistics

September Temperature

Mammoth Yosemite Airport (10.6 miles)

  • Lowest 5 September, 2026

    33.8 °F

  • Average September

    56.6 °F

  • Highest 1 September, 2026

    71.6 °F

Climate (2021–2026)

Mammoth Yosemite Airport (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    29.5 °F

  • Average 2021–2026

    45.7 °F

  • Average High 2021–2026

    60.5 °F
Get WillyWeather+ to remove ads