Yosemite National Park Weather Forecast
- 43
- 68
Sunny
- 47
- 73
Sunny
- 55
- 76
Chance Rain
- 57
- 78
Chance Rain Showers
- 56
- 80
Chance Rain Showers
- 51
- 77
Slight Chance Thunderstorms
Today 6 Sep Yosemite NP outside of the valley
Sunny. Highs 52 to 66. South Winds 10 to 15 Mph with Gusts to around 45 Mph.
Tonight 6 Sep Yosemite NP outside of the valley
Mostly clear. Lows 31 to 45. South Winds up to 10 Mph. Gusts up to 40 Mph in the evening.
Yosemite National Park Temperature Statistics
September Temperature
Mammoth Yosemite Airport (37.3 miles)
Lowest 3 September, 2026
35.6 °FAverage September
56.5 °FHighest 1 September, 2026
71.6 °F
Climate (2021–2026)
Mammoth Yosemite Airport (37.3 miles)
Average Low 2021–2026
29.5 °FAverage 2021–2026
45.7 °FAverage High 2021–2026
60.6 °F