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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Reef Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Yosemite National Park’s weather shifts dramatically with elevation and season. The live forecast above gives current conditions for Yosemite Valley (1,200 metres). Expect snow above 1,800 metres from November through April, while summer days in the valley often reach the low 30s Celsius.
What is the best time to visit Yosemite for good weather?
May to September offers the most reliable weather. Daytime highs in the valley range from 22°C to 32°C. July and August are warmest, but afternoon thunderstorms are common. For hiking above 2,400 metres, aim for July to September to avoid deep snow.
How does elevation affect the temperature?
Temperature drops roughly 6°C for every 1,000 metres you climb. For example, if yosemite weather celsius in the valley is 25°C, Tuolumne Meadows (2,600 metres) will be around 15°C. Always check Australia weather hub for general forecasting tips, but for Yosemite, use the live forecast above and adjust for your elevation.
Common questions about Yosemite weather
Does it snow in Yosemite in summer?
Snow can fall above 2,400 metres even in June. Tioga Road (open late May to October) often has patches of snow. Check yosemite weather snow reports and the park’s road status before driving high passes.
Where can I see live conditions right now?
The National Park Service operates webcams at Yosemite Valley and Glacier Point. Search “yosemite weather live cam” for real-time views of Half Dome and current cloud cover. These help you judge visibility before a hike.
How reliable are 10-day and 15-day forecasts?
For yosemite weather 10 day or yosemite weather 15 days forecasts, treat them as trends, not precise numbers. Mountain weather changes fast. Use the live forecast above for the next 48 hours; longer-range outlooks are useful for planning yosemite weather by month averages.