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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 ·
The 30-day outlook for Calgary shows daytime highs ranging from -2°C to 10°C and overnight lows between -12°C and -1°C, with a mix of sunny spells and periodic snow or rain. Combined with the live forecast above, this indicates a gradual transition from late-winter chill to early-spring variability.
What is the 21-day forecast for Calgary?
For the first three weeks, Calgary temperatures are expected to climb from around -2°C to 8°C, with a few days dipping below -10°C at night. Precipitation is light, totalling roughly 10–15 millimetres, mostly as snow in the first week and rain by week three. This aligns with typical March patterns in the region.
How does the 60-day outlook compare?
Extending to 60 days, Calgary sees a clearer warming trend, with average highs reaching 12°C by late April and overnight lows near freezing. Snowfall becomes infrequent after mid-April, replaced by increasing rain. The 30-day window is more volatile, with sharper day-to-day swings due to lingering winter systems.
Is the Calgary weather next 30 days AccuWeather forecast reliable?
AccuWeather provides a useful 30-day trend, but Environment and Climate Change Canada is the official source for Canadian forecasts. For the most accurate Calgary weather next 30 days in Celsius, cross-reference both.
What about the Calgary weather 60-day AccuWeather forecast?
A 60-day forecast has lower confidence due to natural atmospheric variability. It’s best used as a general seasonal guide, not for planning specific days. Check the 14-day outlook for higher precision.
Where can I find the Calgary weather next 14 days in Celsius?
Our Calgary Weather page provides the 14-day outlook in Celsius, updated hourly. For hourly details, use Environment Canada’s site or The Weather Network.
Sources
For broader conditions, see our Canada weather hub or check the Edmonton Weather page for comparison. Stay updated with weather warnings as spring approaches.