Ammon Weather Forecast
- 56
- 84
Becoming Sunny
- 57
- 86
Mostly Sunny
- 55
- 88
Mostly Sunny
- 54
- 87
Mostly Sunny
- 55
- 88
Mostly Sunny
- 56
- 92
Mostly Sunny
Today 23 Jul Upper Snake River Plain
Sunny. Highs 80 to 88. West Winds up to 10 Mph. Shifting to southwest with Gusts to around 25 Mph in the afternoon.
Tonight 23 Jul Upper Snake River Plain
Mostly clear. Lows 48 to 57. Southwest Winds 10 to 15 Mph. Shifting to northwest after midnight.
Ammon Temperature Statistics
July Temperature
Idaho Falls Regional Airport (5.6 miles)
Lowest 17 July, 2025
44.7 °FAverage July
70.4 °FHighest 1 July, 2025
97.6 °F
Climate (2020–Present)
Idaho Falls Regional Airport (5.6 miles)
Average Low 2020–2025
33 °FAverage 2020–2025
46 °FAverage High 2020–2025
58.9 °F