Flagstaff 7-day weather forecast

Written by:
September 29, 2025
ESOlex // Shutterstock

Flagstaff 7-day weather forecast

Stacker created the forecast for Flagstaff, Arizona using data from OpenWeather. This week's high is 70 °F on Tuesday, while the low is 33 °F on Monday. There are expected to be 6 sunny days and rain on 1 day this week.

There are currently no weather alerts.

Monday, October 20

- High of 68 °F, low of 33 °F (16% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:37 AM, sunset at 5:45 PM
1 / 6
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Tuesday, October 21

- High of 70 °F, low of 45 °F (15% humidity)
- Mostly sunny with a 0% chance of rain
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:37 AM, sunset at 5:44 PM
- New moon
2 / 6
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Wednesday, October 22

- High of 64 °F, low of 45 °F (32% humidity)
- Sunny with a 31% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:38 AM, sunset at 5:42 PM
3 / 6
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Thursday, October 23

- High of 54 °F, low of 40 °F (40% humidity)
- Fair with a 0% chance of rain
- High risk of harm from sun exposure (5 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:39 AM, sunset at 5:41 PM
4 / 6
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Friday, October 24

- High of 64 °F, low of 41 °F (24% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Light breeze (5 mph wind)
- Sunrise at 6:40 AM, sunset at 5:40 PM
5 / 6
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Saturday, October 25

- High of 60 °F, low of 43 °F (29% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:41 AM, sunset at 5:39 PM
6 / 6
Ahmet Naim // Shutterstock

Sunday, October 26

- High of 58 °F, low of 41 °F (36% humidity)
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 6:42 AM, sunset at 5:38 PM

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