Grant Marsh Wildlife Management Area Weather Forecast
- 39
- 70
Becoming Sunny
- 46
- 74
Mostly Sunny
- 42
- 79
Mostly Cloudy
- 29
- 54
Chance Rain Showers
- 29
- 50
Mostly Cloudy
- 30
- 50
Partly Sunny
Today 9 Oct Northern Big Horn
Sunny. Highs around 70. West Winds 5 to 10 Mph in the morning shifting to the north in the afternoon.
Tonight 9 Oct Northern Big Horn
Mostly clear. Lows in the upper 30s. East Winds 5 to 10 Mph.
Grant Marsh Wildlife Management Area Temperature Statistics
October Temperature
Billings, Billings Logan International Airport (45.4 miles)
Lowest 5 October, 2025
39 °FAverage October
54.4 °FHighest 1 October, 2025
77 °F
Climate (2020–Present)
Billings, Billings Logan International Airport (45.4 miles)
Average Low 2020–2025
38.6 °FAverage 2020–2025
49.3 °FAverage High 2020–2025
60.5 °F