Dewey Weather Forecast
- 13
- 42
Mostly Sunny
- 15
- 42
Mostly Sunny
- 17
- 45
Mostly Sunny
- 17
- 46
Sunny
- 24
- 46
Partly Sunny
- 21
- 48
Mostly Cloudy
- 10
- 36
Mostly Cloudy
Today 27 Jan Southern Black Hills
Sunny. Near steady temperature in the upper 30s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.
Tonight 27 Jan Southern Black Hills
Clear. Lows in the mid 20s. Northwest Winds 10 to 15 Mph.
Dewey Temperature Statistics
January Temperature
Custer, Custer County Airport (24.9 miles)
Lowest 20 January, 2025
-15.3 °FAverage January
17.8 °FHighest 16 January, 2025
44.7 °F
Climate (2020–Present)
Custer, Custer County Airport (24.9 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
33.1 °FAverage 2020–2025
44.7 °FAverage High 2020–2025
55.9 °F