Porcupine Reservoir Weather Forecast
- 61
- 83
Chance Rain Showers
- 58
- 81
Mostly Sunny
- 62
- 87
Partly Sunny
- 47
- 76
Mostly Sunny
- 48
- 73
Mostly Sunny
- 53
- 78
Mostly Sunny
- 52
- 79
Partly Sunny
Today 10 Sep Wasatch Mountains I-80 North
Sunny in the morning then becoming partly cloudy. Highs in the mid 70s.
Tonight 10 Sep Wasatch Mountains I-80 North
Mostly cloudy. A 40 percent chance of rain Showers after midnight. Lows in the lower 50s.
Porcupine Reservoir Temperature Statistics
September Temperature
BRIGHAM CITY AIRPORT (16.2 miles)
Lowest 8 September, 2026
48.2 °FAverage September
71.9 °FHighest 4 September, 2026
87.8 °F
Climate (2021–2026)
BRIGHAM CITY AIRPORT (16.2 miles)
Average Low 2021–2026
41.3 °FAverage 2021–2026
52.9 °FAverage High 2021–2026
64.4 °F