
ESOlex // Shutterstock
Tucson 7-day weather forecast
Stacker created the forecast for Tucson, Arizona using data from OpenWeather. This week's high is 106 °F on Thursday, while the low is 76 °F on Friday. There is expected to be 1 sunny day and rain on 2 days this week.
NWS Tucson AZ has issued a extreme heat watch until Saturday at 08:00 PM.
Monday, August 18
- High of 101 °F, low of 79 °F (26% humidity)- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (11 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:50 AM, sunset at 7:05 PM
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1 / 6
1981 Rustic Studio kan // Shutterstock
Tuesday, August 19
- High of 100 °F, low of 85 °F (24% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (11 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:51 AM, sunset at 7:04 PM
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (11 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:51 AM, sunset at 7:04 PM

2 / 6
Valeriy Boyarskiy // Shutterstock
Wednesday, August 20
- High of 102 °F, low of 87 °F (26% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:51 AM, sunset at 7:02 PM
- Overcast with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 5:51 AM, sunset at 7:02 PM

3 / 6
Ahmet Naim // Shutterstock
Thursday, August 21
- High of 106 °F, low of 88 °F (27% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (11 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:52 AM, sunset at 7:01 PM
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (11 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:52 AM, sunset at 7:01 PM

4 / 6
Maxim Grohotov // Shutterstock
Friday, August 22
- High of 105 °F, low of 76 °F (26% humidity)
- Sunny with a 100% chance of rain (25 mm of rain)
- Very high risk of harm from sun exposure (12 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 5:53 AM, sunset at 7:00 PM
- New moon
- Sunny with a 100% chance of rain (25 mm of rain)
- Very high risk of harm from sun exposure (12 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 5:53 AM, sunset at 7:00 PM
- New moon

5 / 6
GP PIXSTOCK // Shutterstock
Saturday, August 23
- High of 103 °F, low of 84 °F (33% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (12 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:53 AM, sunset at 6:59 PM
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (12 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:53 AM, sunset at 6:59 PM
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Sandra Matic // Shutterstock
Sunday, August 24
- High of 104 °F, low of 87 °F (25% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (12 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 5:54 AM, sunset at 6:58 PM
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (12 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 5:54 AM, sunset at 6:58 PM