Tucson 7-day weather forecast

Written by:
August 18, 2025
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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
1 / 6
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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
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
3 / 6
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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
4 / 6
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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
5 / 6
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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
6 / 6
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

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