Idaho Falls Regional Airport Weather Forecast
- 49
- 92
Mostly Sunny
- 51
- 92
Mostly Sunny
- 50
- 91
Mostly Sunny
- 50
- 85
Mostly Sunny
- 50
- 78
Chance Rain Showers
- 47
- 79
Chance Rain Showers
- 46
- 79
Partly Sunny
Today 2 Sep Upper Snake River Plain
Sunny. Highs 83 to 90. Northeast Winds up to 10 Mph.
Tonight 2 Sep Upper Snake River Plain
Mostly clear. Lows 50 to 60. Northeast Winds up to 10 Mph.
Idaho Falls Regional Airport Temperature Statistics
September Temperature
Idaho Falls Regional Airport (0 miles)
Lowest
–Average September
–Highest
–
Climate (2020–Present)
Idaho Falls Regional Airport (0 miles)
Average Low 2020–2025
33 °FAverage 2020–2025
46 °FAverage High 2020–2025
58.9 °F