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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Edition Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Consult the live forecast above before attempting any ascent. Everest’s weather is notorious for sudden shifts, with summit temperatures rarely rising above –30°C and winds that can exceed 100 km/h, making even base camp conditions a serious factor in planning.
What can I expect in winter and summer?
The mount everest temperature in winter can plunge to –60°C at the summit, with winds making it feel even colder. In contrast, mount everest weather in summer (the monsoon season, June to September) brings heavy snow and cloud cover, often trapping climbers at lower elevations. For those wondering about weather in everest base camp 10 days out, the live forecast above gives the best near-term picture, though longer-range reliability is limited.
How do conditions vary from base camp to the summit?
Mount everest weather base camp (5,364 metres) is typically 15 to 20°C warmer than the summit, but still sees subzero overnight lows and afternoon snow squalls. The mount everest weather station at Camp II (Balcony) provides real-time data on temperature, wind and air pressure, helping forecasters refine predictions. For a weather in everest base camp 10 days view, the live forecast above is the most up-to-date guide.
How cold does it get at the summit of Everest?
Summit temperatures rarely rise above –20°C even in summer, and in winter they can drop to –60°C or lower. Wind chill pushes the effective temperature far below that, which is why climbers rely on the live forecast above for precise wind-speed data.
Is the weather forecast for Everest reliable?
Short-term forecasts (24–48 hours) are fairly accurate thanks to data from the mount everest weather station at Camp II. Beyond that, variability increases. The weather in mount everest 10 days outlook should be treated as a rough trend only.
What is the weather like at Everest Base Camp in winter?
Mount everest temperature in winter at base camp ranges from –25°C at night to –10°C during the day. Clear skies alternate with heavy snowfall, and the Khumbu Glacier can be treacherous. Few expeditions attempt winter climbs because of these extremes.
Sources
For broader Canadian conditions, see our Canada weather hub or check the Vancouver Weather page for coastal forecasts.