Gunlock Reservoir Weather Forecast
- 65
- 94
Slight Chance Thunderstorms
- 63
- 95
Mostly Sunny
- 63
- 96
Mostly Sunny
- 62
- 96
Mostly Sunny
- 62
- 97
Hot
- 63
- 98
Hot
Today 21 Jul Lower Washington County
Partly sunny in the Morning, then partly cloudy with a 20 percent chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s.
Tonight 21 Jul Lower Washington County
Mostly clear. Lows in the mid 70s.
Gunlock Reservoir Temperature Statistics
July Temperature
St George Municipal Airport (20.5 miles)
Lowest 6 July, 2025
71.1 °FAverage July
90.4 °FHighest 9 July, 2025
108 °F
Climate (2020–Present)
St George Municipal Airport (20.5 miles)
Average Low 2020–2025
52.2 °FAverage 2020–2025
64.3 °FAverage High 2020–2025
76.6 °F