Johnson Lake Weather Forecast
- 40
- 53
Becoming Sunny
- 33
- 49
Mostly Sunny
- 39
- 52
Sunny
- 44
- 57
Sunny
- 48
- 61
Mostly Sunny
- 50
- 64
Mostly Sunny
Today 16 May Yosemite NP outside of the valley
Sunny. Highs 50 to 62. West Winds up to 15 Mph.
Tonight 16 May Yosemite NP outside of the valley
Mostly clear. Lows 28 to 42. North Winds up to 5 Mph with Gusts to around 25 Mph shifting to the southeast after midnight.
Johnson Lake Temperature Statistics
May Temperature
Mammoth Yosemite Airport (36.7 miles)
Lowest 1 May, 2026
30.2 °FAverage May
54.3 °FHighest 10 May, 2026
78.8 °F
Climate (2021–Present)
Mammoth Yosemite Airport (36.7 miles)
Average Low 2021–2026
29.6 °FAverage 2021–2026
45.9 °FAverage High 2021–2026
60.7 °F