Henrys Lake State Park Weather Forecast
- 31
- 54
Becoming Sunny
- 35
- 61
Sunny
- 39
- 65
Mostly Sunny
- 41
- 67
Rain Showers Likely
- 33
- 53
Chance Rain Showers
- 36
- 60
Mostly Sunny
- 40
- 65
Mostly Sunny
Today 1 May Centennial Mountains/Island Park
Sunny. Highs 56 to 64.
Tonight 1 May Centennial Mountains/Island Park
Mostly clear. Lows 30 to 40.
Henrys Lake State Park Temperature Statistics
May Temperature
West Yellowstone (13 miles)
Lowest
–Average May
–Highest
–
Climate (2020–Present)
West Yellowstone (13 miles)
Average Low 2020–2025
33.4 °FAverage 2020–2025
50.5 °FAverage High 2020–2025
65.7 °F