Portneuf River Slough Weather Forecast
- 31
- 62
Rain Showers Likely
- 29
- 45
Mostly Sunny
- 32
- 54
Mostly Sunny
- 36
- 59
Partly Sunny
- 35
- 54
Mostly Sunny
- 39
- 55
Chance Rain Showers
Today 19 Oct Marsh and Arbon Highlands
Sunny in the morning. Then partly sunny with a chance of rain Showers in the afternoon. Breezy. Highs 56 to 66.
Tonight 19 Oct Marsh and Arbon Highlands
Mostly cloudy with a chance of rain Showers in the evening. Then mostly clear after midnight. Colder. Lows 26 to 34.
Portneuf River Slough Temperature Statistics
October Temperature
Pocatello, Pocatello Regional Airport (16.2 miles)
Lowest 6 October, 2025
28.9 °FAverage October
51 °FHighest 9 October, 2025
81 °F
Climate (2020–Present)
Pocatello, Pocatello Regional Airport (16.2 miles)
Average Low 2020–2025
34.8 °FAverage 2020–2025
48.2 °FAverage High 2020–2025
61.1 °F