Big Margaret Lake Weather Forecast
- 22
- 36
Slight Chance Rain/Snow
- 27
- 41
Mostly Sunny
- 32
- 48
Sunny
- 36
- 51
Sunny
- 37
- 56
Sunny
- 36
- 56
Mostly Sunny
- 33
- 54
Mostly Sunny
Today 17 May Upper San Joaquin River
Mostly cloudy. Slight chance of rain and snow in the Morning, then slight chance of Thunderstorms and snow Showers in the afternoon. Highs 34 to 50. Southwest Winds 10 to 15 Mph with Gusts to around 60 Mph. Chance of precipitation 20 percent.
Tonight 17 May Upper San Joaquin River
Colder. Partly cloudy with a 20 percent chance of snow in the Evening, then clear after midnight. Lows 21 to 33. Northwest Winds up to 15 Mph. Gusts up to 40 Mph in the evening.
Big Margaret Lake Temperature Statistics
May Temperature
Mammoth Yosemite Airport (15.5 miles)
Lowest 7 May, 2025
23 °FAverage May
48.6 °FHighest 9 May, 2025
73.4 °F
Climate (2020–Present)
Mammoth Yosemite Airport (15.5 miles)
Average Low 2020–2025
29.8 °FAverage 2020–2025
46.4 °FAverage High 2020–2025
61.2 °F