Ashton Reservoir Weather Forecast
- 48
- 80
Mostly Sunny
- 51
- 87
Mostly Sunny
- 50
- 88
Partly Sunny
- 51
- 87
Mostly Sunny
- 51
- 86
Partly Sunny
- 53
- 86
Partly Sunny
- 51
- 84
Partly Sunny
Today 16 Jul Teton Valley
Sunny. Highs around 79.
Tonight 16 Jul Teton Valley
Mostly clear. Lows 42 to 52.
Ashton Reservoir Temperature Statistics
July Temperature
Rexburg, Rexburg-Madison County Airport (23.6 miles)
Lowest 6 July, 2025
47.6 °FAverage July
70.3 °FHighest 8 July, 2025
95.6 °F
Climate (2020–Present)
Rexburg, Rexburg-Madison County Airport (23.6 miles)
Average Low 2020–2025
33.4 °FAverage 2020–2025
45.4 °FAverage High 2020–2025
57.5 °F