Lethbridge 7-day weather forecast

Written by:
August 11, 2025
ESOlex // Shutterstock

Lethbridge 7-day weather forecast

Stacker created the forecast for Lethbridge, Alberta using data from OpenWeather. This week's high is 34 °C on Wednesday, while the low is 10 °C on Thursday. There are expected to be 2 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, August 11

- High of 25 °C, low of 16 °C (53% humidity)
- Overcast with a 0% chance of snow
- Moderate risk of harm from sun exposure (5 UV index)
- Light breeze (23 km/h wind)
- Sunrise at 6:16 AM, sunset at 8:56 PM
1 / 6
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Tuesday, August 12

- High of 33 °C, low of 14 °C (30% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (23 km/h wind)
- Sunrise at 6:18 AM, sunset at 8:54 PM
2 / 6
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Wednesday, August 13

- High of 34 °C, low of 13 °C (15% humidity)
- Sunny with a 100% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (43 km/h wind)
- Sunrise at 6:19 AM, sunset at 8:52 PM
3 / 6
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Thursday, August 14

- High of 20 °C, low of 10 °C (50% humidity)
- Overcast with a 77% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Light breeze (24 km/h wind)
- Sunrise at 6:21 AM, sunset at 8:51 PM
4 / 6
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Friday, August 15

- High of 27 °C, low of 11 °C (24% humidity)
- Overcast with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (34 km/h wind)
- Sunrise at 6:22 AM, sunset at 8:49 PM
- Last quarter moon
5 / 6
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Saturday, August 16

- High of 25 °C, low of 15 °C (36% humidity)
- Overcast with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (33 km/h wind)
- Sunrise at 6:23 AM, sunset at 8:47 PM
6 / 6
Alex Stemmer // Shutterstock

Sunday, August 17

- High of 28 °C, low of 15 °C (27% humidity)
- Overcast with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (40 km/h wind)
- Sunrise at 6:25 AM, sunset at 8:45 PM

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