Rainbow Lake Weather Forecast
- 53
- 71
Mostly Sunny
- 55
- 72
Slight Chance Thunderstorms
- 51
- 73
Chance Thunderstorms
- 49
- 66
Chance Thunderstorms
- 46
- 61
Chance Thunderstorms
- 48
- 63
Chance Thunderstorms
Today 30 Jun Butte/Blackfoot Region
Mostly sunny. Highs in the 80s.
Tonight 30 Jun Butte/Blackfoot Region
Mostly clear. Lows in the upper 40s to mid 50s.
Rainbow Lake Temperature Statistics
June Temperature
Butte, Bert Mooney Airport (42.9 miles)
Lowest 5 June, 2025
29.8 °FAverage June
57.6 °FHighest 9 June, 2025
85.6 °F
Climate (2020–Present)
Butte, Bert Mooney Airport (42.9 miles)
Average Low 2020–2025
27.6 °FAverage 2020–2025
41.6 °FAverage High 2020–2025
55 °F