Elkhorn Weather Forecast
- 49
- 73
Slight Chance Thunderstorms
- 49
- 70
Mostly Sunny
- 51
- 79
Mostly Sunny
- 44
- 71
Rain Showers Likely
- 38
- 47
Rain Showers
- 36
- 44
Rain Showers
Today 29 May Elkhorn and Boulder Mountains
Sunny in the Morning, then partly cloudy with a 20 percent chance of Thunderstorms in the afternoon. Highs 70 to 80. South Winds up to 10 Mph.
Tonight 29 May Elkhorn and Boulder Mountains
Partly cloudy. A 20 percent chance of Thunderstorms in the evening. Lows 45 to 50. West Winds 5 to 15 Mph.
Elkhorn Temperature Statistics
May Temperature
Helena Regional Airport (22.4 miles)
Lowest 6 May, 2025
34.6 °FAverage May
55.9 °FHighest 10 May, 2025
88.6 °F
Climate (2020–Present)
Helena Regional Airport (22.4 miles)
Average Low 2020–2025
36.1 °FAverage 2020–2025
47.5 °FAverage High 2020–2025
59.3 °F