Calgary 7-day weather forecast

Written by:
August 18, 2025
ESOlex // Shutterstock

Calgary 7-day weather forecast

Stacker created the forecast for Calgary, Alberta using data from OpenWeather. This week's high is 26 °C on Tuesday, while the low is 9 °C on Thursday. There are expected to be 3 sunny days and rain on 1 day this week.

There are currently no weather alerts.

Monday, August 18

- High of 25 °C, low of 13 °C (48% humidity)
- Overcast with a 0% chance of snow
- Moderate risk of harm from sun exposure (4 UV index)
- Light air (11 km/h wind)
- Sunrise at 6:28 AM, sunset at 8:51 PM
1 / 6
Andrew Lever // Shutterstock

Tuesday, August 19

- High of 26 °C, low of 11 °C (46% humidity)
- Overcast with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light air (11 km/h wind)
- Sunrise at 6:30 AM, sunset at 8:49 PM
2 / 6
Leonid Ikan // Shutterstock

Wednesday, August 20

- High of 23 °C, low of 12 °C (48% humidity)
- Partly cloudy with a 76% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Light breeze (22 km/h wind)
- Sunrise at 6:31 AM, sunset at 8:47 PM
3 / 6
supergenijalac // Shutterstock

Thursday, August 21

- High of 18 °C, low of 9 °C (55% humidity)
- Sunny with a 0% chance of snow
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (22 km/h wind)
- Sunrise at 6:33 AM, sunset at 8:45 PM
4 / 6
Matusciac Alexandru // Shutterstock

Friday, August 22

- High of 21 °C, low of 9 °C (52% humidity)
- Sunny with a 0% chance of snow
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (21 km/h wind)
- Sunrise at 6:34 AM, sunset at 8:43 PM
5 / 6
gillmar // Shutterstock

Saturday, August 23

- High of 22 °C, low of 9 °C (51% humidity)
- Partly cloudy with a 0% chance of snow
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (14 km/h wind)
- Sunrise at 6:36 AM, sunset at 8:41 PM
- New moon
6 / 6
Piyawat Nandeenopparit // Shutterstock

Sunday, August 24

- High of 25 °C, low of 10 °C (50% humidity)
- Sunny with a 0% chance of snow
- Moderate risk of harm from sun exposure (5 UV index)
- Light air (8 km/h wind)
- Sunrise at 6:37 AM, sunset at 8:39 PM

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