Portneuf River Slough Weather Forecast
- 35
- 45
Increasing Clouds
- 40
- 54
Breezy
- 42
- 56
Mostly Cloudy
- 29
- 52
Rain Likely
- 35
- 45
Mostly Cloudy
- 42
- 58
Mostly Cloudy
Today 11 Mar Marsh and Arbon Highlands
Sunny. Highs 38 to 47.
Tonight 11 Mar Marsh and Arbon Highlands
Mostly cloudy. Lows 29 to 38.
Portneuf River Slough Temperature Statistics
March Temperature
Pocatello, Pocatello Regional Airport (16.2 miles)
Lowest 6 March, 2026
28 °FAverage March
41.7 °FHighest 8 March, 2026
60.1 °F
Climate (2021–Present)
Pocatello, Pocatello Regional Airport (16.2 miles)
Average Low 2021–2026
35.3 °FAverage 2021–2026
48.7 °FAverage High 2021–2026
61.6 °F