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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Northern Focus Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above before heading out, as Mission’s weather shifts quickly between the Fraser Valley rains and coastal air. You’ll want a jacket handy even on mild days, especially when the mountains trap moisture overhead.
What makes Mission’s weather so changeable?
Mission sits in the Fraser Valley’s rain shadow, but it still gets plenty of precipitation from Pacific systems. The nearby Coast Mountains force air upward, creating frequent cloud cover and drizzle. In winter, valley fog can linger for days, while summer brings warm, dry spells that feel almost Mediterranean.
Should you trust a 14-day or 30-day forecast here?
For planning, a mission weather 14 day outlook gives you a general trend, but day-to-day accuracy drops after a week. The mission weather hourly breakdown is better for timing outdoor work or hikes. Long-range 30 day weather forecast mission bc models are useful only for spotting broad patterns—don’t rely on them for exact temperatures. If you see a mission weather 14 day forecast accuweather mention, treat it as a hint rather than a guarantee.
What’s the weather in Mission tomorrow?
Check the live forecast above for the most current update. Typically, tomorrow’s conditions mirror today’s if a Pacific front is stalled, but valley breezes can bring sudden clearing.
How does Mission weather compare to Vancouver?
Mission is slightly cooler in winter and warmer in summer than Vancouver, with less marine influence. It also gets more fog and fewer heatwaves, though both cities share similar rainfall totals.
Where can I find mission weather 7 days data?
The live forecast above includes a 7-day outlook. For deeper detail, Environment Canada’s page offers hourly and daily breakdowns tailored to Mission’s valley geography.
Sources
For broader conditions, see our Canada weather hub, or check Vancouver Weather and Calgary Weather for regional comparisons.