Middleton Weather Forecast
- 83
- 104
Slight Chance Thunderstorms
- 80
- 99
Chance Thunderstorms
- 80
- 98
Chance Thunderstorms
- 80
- 99
Chance Thunderstorms
- 80
- 98
Chance Thunderstorms
- 80
- 98
Chance Thunderstorms
Today 16 Jul Lower Washington County
Sunny in the Morning, then partly cloudy with a 20 percent chance of Showers and Thunderstorms in the afternoon. Highs around 105.
Tonight 16 Jul Lower Washington County
A 20 percent chance of Showers and Thunderstorms. Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 80s.
Middleton Temperature Statistics
July Temperature
St George Municipal Airport (5.6 miles)
Lowest 1 July, 2026
66.9 °FAverage July
89.6 °FHighest 9 July, 2026
107.1 °F
Climate (2021–2026)
St George Municipal Airport (5.6 miles)
Average Low 2021–2026
52.9 °FAverage 2021–2026
64.7 °FAverage High 2021–2026
76.8 °F