Union Valley Reservoir Weather Forecast

    • 49
    • 79

    Mostly Sunny

    • 47
    • 76

    Sunny

    • 53
    • 81

    Sunny

    • 55
    • 86

    Sunny

    • 51
    • 82

    Sunny

    • 45
    • 76

    Sunny

    • 44
    • 71

    Sunny

Today 15 Jun West Slope Northern Sierra Nevada

Mostly sunny. Highs 64 to 79 higher Elevations. 75 to 87 lower Elevations. Prevailing southeast Winds up to 10 Mph shifting to the southwest in the afternoon. Gusts up to 30 Mph.

Tonight 15 Jun West Slope Northern Sierra Nevada

Mostly clear. Lows 42 to 57 higher Elevations. 52 to 64 lower Elevations. Prevailing southwest Winds up to 10 Mph shifting to the southeast after midnight. Gusts up to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Valley Reservoir Temperature Statistics

June Temperature

Placerville Airport (21.1 miles)

  • Lowest 3 June, 2025

    55.4 °F

  • Average June

    74.2 °F

  • Highest 9 June, 2025

    89.6 °F

Climate (2020–Present)

Placerville Airport (21.1 miles)

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

  • Average Low 2020–2025

    52.6 °F

  • Average 2020–2025

    60.8 °F

  • Average High 2020–2025

    69.3 °F
Get WillyWeather+ to remove ads