Dewey Weather Forecast
- 21
- 44
Mostly Sunny
- 20
- 42
Increasing Clouds
- 25
- 43
Partly Sunny
- 24
- 48
Partly Sunny
- 24
- 48
Mostly Sunny
- 25
- 47
Mostly Sunny
- 27
- 49
Partly Sunny
Today 3 Dec Arches/Grand Flat
Mostly sunny. Highs 35 to 45.
Tonight 3 Dec Arches/Grand Flat
Mostly clear. Lows 15 to 25.
Dewey Temperature Statistics
December Temperature
Moab, Canyonlands Field (23.6 miles)
Lowest 1 December, 2025
24.1 °FAverage December
32.9 °FHighest 1 December, 2025
43 °F
Climate (2020–Present)
Moab, Canyonlands Field (23.6 miles)
Average Low 2020–2025
42.2 °FAverage 2020–2025
55.7 °FAverage High 2020–2025
69.1 °F