Flagstaff weather live forecast

Today's maximum temperature in Flagstaff is expected to be 20°C. Select a day from the live weather forecast for Flagstaff, Arizona, USA for more weather parameters.

Wednesday
20th May
20

4

14

UV9
Thursday
21st May
21

5

13

UV9
Friday
22nd May
22

6

3

UV9
Saturday
23rd May
23

7

4

UV8
Sunday
24th May
24

8

7

UV9

5-day weather forecast updated at 04:00 on Wednesday 20th May 2026 GMT

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The 5-day weather forecast for Arizona (Flagstaff) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Flagstaff weather forecast by day

Below are the detailed weather forecasts for Flagstaff for the next 5 days.

Flagstaff weather for Wednesday 20th May 2026

Expect clear skies in Flagstaff, Arizona with a maximum temperature of 20°C, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

20
°C maximum temperature
4
°C minimum temperature
clear skies
14
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from SW

Flagstaff weather for Thursday 21st May 2026

Expect clear skies in Flagstaff, Arizona with a maximum temperature of 21°C, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.

21
°C maximum temperature
5
°C minimum temperature
clear skies
13
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from SW

Flagstaff weather for Friday 22nd May 2026

Expect broken clouds in Flagstaff, Arizona with a maximum temperature of 22°C, maximum UV of 9 (Very High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

22
°C maximum temperature
6
°C minimum temperature
broken clouds
3
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
22
°C wind chill
17
kph wind from SW

Flagstaff weather for Saturday 23rd May 2026

Expect broken clouds in Flagstaff, Arizona with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the west.

23
°C maximum temperature
7
°C minimum temperature
broken clouds
4
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
23
°C wind chill
8
kph wind from W

Flagstaff weather for Sunday 24th May 2026

Expect scattered clouds in Flagstaff, Arizona with a maximum temperature of 24°C, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.