Rapid City Weather Forecast
- 58
- 79
Rain Showers
- 47
- 70
Mostly Sunny
- 59
- 78
Mostly Sunny
- 55
- 77
Chance Rain Showers
- 54
- 72
Chance Rain Showers
- 60
- 76
Rain Showers
Today 9 Sep Kalkaska
Partly sunny. Scattered rain Showers early. Highs in the upper 70s. West Winds 5 to 15 Mph with Gusts to around 25 Mph. Chance of Showers 50 percent.
Tonight 9 Sep Kalkaska
Mostly clear. Lows in the lower 50s. West Winds up to 10 Mph. Gusts up to 25 Mph early.
Rapid City Temperature Statistics
September Temperature
Bellaire, Antrim County Airport (11.2 miles)
Lowest 6 September, 2026
48.4 °FAverage September
68.3 °FHighest 1 September, 2026
88.7 °F
Climate (2021–2026)
Bellaire, Antrim County Airport (11.2 miles)
Average Low 2021–2026
37.6 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
56.4 °F