Ivins Reservoir Weather Forecast

    • 77
    • 106

    Rain Showers Likely

    • 76
    • 103

    Chance Thunderstorms

    • 74
    • 100

    Rain Showers Likely

    • 67
    • 89

    Rain Showers

    • 68
    • 94

    Rain Showers Likely

    • 69
    • 95

    Slight Chance Thunderstorms

    • 69
    • 98

    Slight Chance Thunderstorms

Today 23 Aug Lower Washington County

Partly sunny. Isolated rain Showers in the Morning, then scattered Showers and Thunderstorms in the afternoon. Highs around 105. Chance of precipitation 40 percent.

Tonight 23 Aug Lower Washington County

Mostly cloudy. Rain Showers likely and a chance of Thunderstorms in the Evening, then a chance of rain Showers and a slight chance of Thunderstorms after midnight. Lows around 80. Chance of precipitation 60 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Ivins Reservoir Temperature Statistics

August Temperature

St George Municipal Airport (14.3 miles)

  • Lowest 3 August, 2025

    70 °F

  • Average August

    90.1 °F

  • Highest 7 August, 2025

    107.1 °F

Climate (2020–Present)

St George Municipal Airport (14.3 miles)

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

  • Average Low 2020–2025

    52.2 °F

  • Average 2020–2025

    64.3 °F

  • Average High 2020–2025

    76.5 °F
Get WillyWeather+ to remove ads