Big Margaret Lake Weather Forecast
- 32
- 50
Becoming Sunny
- 33
- 50
Partly Sunny
- 33
- 46
Chance Snow
- 31
- 38
Snow Likely
- 28
- 34
Chance Snow
- 26
- 31
Snow
Today 18 Dec Upper San Joaquin River
Not as cool. Mostly sunny. Highs 45 to 61. West Winds up to 10 Mph with Gusts to around 25 Mph.
Tonight 18 Dec Upper San Joaquin River
Mostly clear. Lows 29 to 39. Southwest Winds 5 to 15 Mph. Gusts up to 35 Mph increasing to 45 Mph after midnight.
Big Margaret Lake Temperature Statistics
December Temperature
Mammoth Yosemite Airport (15.5 miles)
Lowest 4 December, 2025
10.4 °FAverage December
35.2 °FHighest 11 December, 2025
66.2 °F
Climate (2020–Present)
Mammoth Yosemite Airport (15.5 miles)
Average Low 2020–2025
29.6 °FAverage 2020–2025
46 °FAverage High 2020–2025
60.9 °F