Observed at: Calgary Int'l Airport
Date: 4:00 PM MDT Sunday 23 August 2026
Mostly Cloudy
Mostly Cloudy
Temp.: 27 °C
Wind: W 19 gust 30 km/h
Humidity: 18 %
Dew point: 1 °C
Pressure: 100.8 kPa
Tendency: 0.16 kPa
Visibility: 32 km
Sunrise: 6:35
Sunset: 20:41
Normals:
Max 22°C Min 8°C
 Extended Forecast - Environment Canada
  Mon, 24 Aug
Sunny
Sunny
Max: 23°C
Tue, 25 Aug
Sunny
Sunny
Max: 25°C
Wed, 26 Aug
Sunny
Sunny
Max: 28°C
Thu, 27 Aug
Sunny
Sunny
Max: 28°C
Fri, 28 Aug
A mix of sun and cloud
A mix of sun and cloud
Max: 23°C
Sat, 29 Aug
A mix of sun and cloud
A mix of sun and cloud
Max: 22°C
Tonight
Chance of showers (60%)
Chance of showers
Min: 14°C
Night
Clear
Clear
Min: 10°C
Night
Clear
Clear
Min: 11°C
Night
Clear
Clear
Min: 14°C
Night
Cloudy periods
Cloudy periods
Min: 9°C
Night
Cloudy periods
Cloudy periods
Min: 8°C

Forecast

Calgary, AB (Issued: 4:00 PM MDT Sunday 23 August 2026)

Tonight
Partly cloudy. 60 percent chance of showers early this evening with risk of a thunderstorm. Clearing before morning. Wind northwest 30 km/h. Low 14.
Mon, 24 Aug
Sunny. Wind northwest 20 km/h. High 23. UV index 6 or high.
Night
Clear. Wind north 20 km/h becoming light in the evening. Low 10.
Tue, 25 Aug
Sunny. High 25.
Night
Clear. Low 11.
Wed, 26 Aug
Sunny. High 28.
Night
Clear. Low 14.
Thu, 27 Aug
Sunny. High 28.
Night
Cloudy periods. Low 9.
Fri, 28 Aug
A mix of sun and cloud. High 23.
Night
Cloudy periods. Low 8.
Sat, 29 Aug
A mix of sun and cloud. High 22.

24 Hour Forecast - Calgary, AB

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
23 August 2026
5 PM 21 Chance of showers. Risk of thunderstorms (60%)  Chance of showers. Risk of thunderstorms 60 W 20
6 PM 20 Chance of showers. Risk of thunderstorms (60%)  Chance of showers. Risk of thunderstorms 60 W 20
7 PM 19 Chance of showers. Risk of thunderstorms (60%)  Chance of showers. Risk of thunderstorms 60 W 20
8 PM 18 Chance of showers. Risk of thunderstorms (60%)  Chance of showers. Risk of thunderstorms 60 W 20
9 PM 17 Partly cloudy (20%)  Partly cloudy 20 NW 30
10 PM 16 Partly cloudy (20%)  Partly cloudy 20 NW 30
11 PM 16 Partly cloudy (20%)  Partly cloudy 20 NW 30
24 August 2026
12 AM 15 Partly cloudy (10%)  Partly cloudy 10 NW 30
1 AM 15 Partly cloudy (10%)  Partly cloudy 10 NW 30
2 AM 15 Partly cloudy (10%)  Partly cloudy 10 NW 30
3 AM 15 Clear (10%)  Clear 10 NW 20
4 AM 15 Clear (10%)  Clear 10 NW 20
5 AM 14 Clear (10%)  Clear 10 NW 20
6 AM 14 Clear (0%)  Clear 0 NW 20
7 AM 15 Sunny (0%)  Sunny 0 NW 20
8 AM 16 Sunny (0%)  Sunny 0 NW 20
9 AM 17 Sunny (0%)  Sunny 0 NW 20
10 AM 18 Sunny (0%)  Sunny 0 NW 20
11 AM 20 Sunny (0%)  Sunny 0 NW 20
12 PM 21 Sunny (0%)  Sunny 0 N 20
1 PM 21 Sunny (0%)  Sunny 0 N 20
2 PM 22 Sunny (0%)  Sunny 0 N 20
3 PM 22 Sunny (0%)  Sunny 0 N 20
4 PM 22 Sunny (0%)  Sunny 0 N 20
 
† Likelihood of Precipitation (LOP) as described in the public forecast as a chance of measurable precipitation for a period of time.
  Nil: 0%
  Low: 40% or below
  Medium: 60% or 70%
  High: Above 70%

Environment Canada