Iron Lake Weather Forecast
- 29
- 40
Mostly Cloudy
- 24
- 35
Chance Snow
- 18
- 32
Partly Sunny
- 16
- 26
Mostly Sunny
- 21
- 31
Partly Sunny
- 24
- 33
Partly Sunny
Today 21 Jan Upper San Joaquin River
Mostly cloudy. Highs 38 to 52. Southwest Winds up to 5 Mph.
Tonight 21 Jan Upper San Joaquin River
Mostly cloudy. Lows 27 to 37. Southwest Winds up to 5 Mph shifting to the east after midnight.
Iron Lake Temperature Statistics
January Temperature
Mammoth Yosemite Airport (17.4 miles)
Lowest 10 January, 2026
-2.2 °FAverage January
21.6 °FHighest 3 January, 2026
39.2 °F
Climate (2021–Present)
Mammoth Yosemite Airport (17.4 miles)
Average Low 2021–2026
29.5 °FAverage 2021–2026
45.8 °FAverage High 2021–2026
60.6 °F