Sheridan Weather Forecast
- 41
- 70
Mostly Sunny
- 43
- 67
Decreasing Clouds
- 46
- 74
Partly Sunny
- 44
- 72
Mostly Sunny
- 47
- 75
Mostly Sunny
- 48
- 77
Partly Sunny
- 45
- 73
Mostly Sunny
Today 30 Sep Beaverhead and Western Madison below 6000ft
Sunny. Highs 66 to 72. West Winds 5 to 10 Mph with Gusts to around 25 Mph.
Tonight 30 Sep Beaverhead and Western Madison below 6000ft
Mostly clear. Lows around 40. Northwest Winds up to 10 Mph.
Sheridan Temperature Statistics
September Temperature
Dillon, Dillon Airport (21.7 miles)
Lowest 15 September, 2026
31.6 °FAverage September
58.1 °FHighest 10 September, 2026
83.6 °F
Climate (2021–2026)
Dillon, Dillon Airport (21.7 miles)
Average Low 2021–2026
31.6 °FAverage 2021–2026
44 °FAverage High 2021–2026
57 °F