Today's Weather Forecast - Calgary

Today's weather in Calgary. high 11°C (52°F), low 5°C (41°F). Sunny.

Today’s Hourly Weather Outlook

Morning6 AM – Noon
Wind speed
16 km/h
Rain probability
4%
AfternoonNoon – 6 PM11°
Wind speed
20 km/h
Rain probability
12%
Evening6 PM – Midn
Wind speed
19 km/h
Rain probability
4%
NightMidn – 6 AM
Wind speed
8 km/h
Rain probability
1%

24-Hour Rain & Temperature Forecast

Sunrise & Sunset

Sunrise
Dawn 6:35 AM
Total Daylight
18% of day elapsedSolar noon 1:32 PM
Sunset
Dusk 8:28 PM
Remaining10h 32m
Solar elevation21°
vs yesterday-6 min

Air Quality Index & Health Advice

Air Quality Index

Air quality level
Good
Dominant pollutant
Dominant: PM2.5
Monitoring station
Calgary Central 2, Alberta, Canada
PM2.5
12μg/m³
O₃
0.1ppb
NO₂
8.4ppb
SO₂
5.8ppb
CO
4.2ppm
0Good → Hazardous300+

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Calgary is forecast to reach a high of 11°C today, with an overnight low around 5°C. That's 7° below the long-term average high of 18°C for this time of year. It continues a recent pattern — 14 of the last 28 days with published data have run cooler than normal. Expect little chance of rain (12% probability) and a gentle breeze averaging 20 km/h. Air quality is currently good (AQI 21), with no notable outdoor health concerns.

Today vs Normal

11°C-7° below normal

The long-term average high for today is 18°C.

14 of the last 28 days with published data ran above normal.

It continues that pattern - today's forecast is also running below normal.

2026-08-28: 21°C21°2026-08-29: 21°C21°2026-08-30: 16°C16°2026-08-31: 21°C21°2026-09-01: 23°C23°2026-09-02: 21°C21°2026-09-03: 18°C18°2026-09-04: 13°C13°2026-09-05: 11°C11°2026-09-06: 13°C13°2026-09-07: 11°C11°2026-09-08: 18°C18°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.