Lewiston Weather Forecast
- 40
- 64
Chance Rain Showers
- 39
- 64
Rain Showers
- 33
- 52
Rain Showers
- 31
- 48
Rain Showers Likely
- 29
- 55
Partly Sunny
- 32
- 56
Mostly Sunny
- 31
- 63
Chance Rain Showers
Today 13 Oct Cache Valley/Utah Portion
Sunny, warmer. Highs in the mid 60s.
Tonight 13 Oct Cache Valley/Utah Portion
Mostly cloudy. A chance of rain Showers in the Evening, then rain Showers likely and a slight chance of Thunderstorms after midnight. Lows around 40. Chance of precipitation 60 percent.
Lewiston Temperature Statistics
October Temperature
Logan-Cache Airport (13 miles)
Lowest 7 October, 2025
33.1 °FAverage October
54 °FHighest 9 October, 2025
79 °F
Climate (2020–Present)
Logan-Cache Airport (13 miles)
Average Low 2020–2025
35.1 °FAverage 2020–2025
48.3 °FAverage High 2020–2025
61.3 °F