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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Toronto Post Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Calgary’s next 30 days will see daytime highs ranging from 5°C to 14°C and overnight lows from -4°C to 3°C, with a mix of sun and occasional rain or snow showers. This is typical for Calgary’s transitional autumn period, where chinook winds can cause rapid temperature swings.
What is the temperature range for Calgary over the next month?
Daytime highs will average near 9°C, with the warmest days around 14°C in mid-October and cooler days dipping to 5°C toward early November. Overnight lows will fall to -4°C on the coldest nights, with a gradual cooling trend as the month progresses. The live forecast above shows the exact daily highs and lows for the coming week.
Will there be precipitation or strong winds?
Expect 6 to 8 days with measurable precipitation—mostly light rain, but a few wet snowflakes possible after dark. Chinook winds, common in Calgary this time of year, may push gusts to 50–60 km/h on 3 or 4 days, creating sudden warm spells. For real-time alerts, check the weather warning page.
Does the 30-day forecast include hourly details?
Yes, the calgary weather next 30 days hourly breakdown is available in the live forecast above, showing temperature, wind, and precipitation chance for each hour in the first 7 days, with daily summaries for the remainder.
How accurate is the 30-day outlook for Calgary?
Environment Canada’s 30-day outlook is a broad trend guide, not a day-by-day guarantee. For precise planning, use the calgary weather next 14 days forecast, which has higher reliability, or the calgary weather next 30 days met office data for long-range patterns.
When will Calgary see its first snowfall of the season?
Based on historical averages and this year’s calgary weather 60 days outlook, the first accumulating snow (1–3 cm) is likely in early November. Light flurries may appear in the last week of October, especially overnight.
Sources
For a broader look at conditions across the country, visit the Canada weather hub or compare with Edmonton Weather and Vancouver Weather. If you’re looking for a longer view, the calgary weather next 30 days accuweather and calgary weather next 30 days accuweather tomorrow 14 days data align closely with these ranges.