Middleton Weather Forecast
- 30
- 46
Sunny
- 32
- 50
Mostly Sunny
- 34
- 53
Sunny
- 37
- 57
Mostly Sunny
- 37
- 60
Sunny
- 34
- 60
Sunny
- 32
- 55
Sunny
Today 10 Jan Lower Washington County
Sunny. Highs in the mid 40s.
Tonight 10 Jan Lower Washington County
Clear. Lows in the upper 20s.
Middleton Temperature Statistics
January Temperature
St George Municipal Airport (5.6 miles)
Lowest 6 January, 2026
37 °FAverage January
46.9 °FHighest 4 January, 2026
59 °F
Climate (2021–Present)
St George Municipal Airport (5.6 miles)
Average Low 2021–2026
52.6 °FAverage 2021–2026
64.5 °FAverage High 2021–2026
76.5 °F