St. George 7-day weather forecast

Written by:
June 8, 2026
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St. George 7-day weather forecast

created the forecast for St. George, Utah using data from . This week's high is 111 掳F on Monday, while the low is 77 掳F on Tuesday. There are expected to be 7 sunny days and rain on 1 day this week.

NWS Salt Lake City UT has issued a extreme heat warning until Tuesday at 09:00 PM.

Monday, August 3

- High of 111 掳F, low of 78 掳F (10% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (11 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 6:40 AM, sunset at 8:39 PM
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1 / 6
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Tuesday, August 4

- High of 109 掳F, low of 77 掳F (18% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (11 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:41 AM, sunset at 8:38 PM
2 / 6
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Wednesday, August 5

- High of 106 掳F, low of 86 掳F (22% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:42 AM, sunset at 8:37 PM
- Last quarter moon
3 / 6
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Thursday, August 6

- High of 107 掳F, low of 87 掳F (21% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:43 AM, sunset at 8:36 PM
4 / 6
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Friday, August 7

- High of 106 掳F, low of 83 掳F (22% humidity)
- Sunny with a 35% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:44 AM, sunset at 8:35 PM
5 / 6
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Saturday, August 8

- High of 107 掳F, low of 85 掳F (21% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:45 AM, sunset at 8:34 PM
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6 / 6
Piyawat Nandeenopparit // Shutterstock

Sunday, August 9

- High of 106 掳F, low of 85 掳F (21% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:46 AM, sunset at 8:33 PM

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