Siphon Lakes Weather Forecast
- 22
- 34
Sunny
- 29
- 35
Partly Sunny
- 36
- 37
Rain/Snow
- 34
- 41
Rain/Snow
- 33
- 38
Rain/Snow Likely
- 33
- 39
Rain/Snow Likely
Today 29 Jan Boise Mountains
Sunny. Highs 31 to 40.
Tonight 29 Jan Boise Mountains
Mostly clear. Lows 7 to 22.
Siphon Lakes Temperature Statistics
January Temperature
Boise Air Terminal (20.5 miles)
Lowest 22 January, 2025
12.8 °FAverage January
31.2 °FHighest 3 January, 2025
49.6 °F
Climate (2020–Present)
Boise Air Terminal (20.5 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
43.6 °FAverage 2020–2025
54.3 °FAverage High 2020–2025
65.5 °F