Flagstaff weather live forecast

Today's maximum temperature in Flagstaff is expected to be 19°C. Select a day from the live weather forecast for Flagstaff, Arizona, USA for more weather parameters.

Sunday
17th May
19

5

12

10
Monday
18th May
16

3

14

10
Tuesday
19th May
19

0

14

9
Wednesday
20th May
21

2

10

9
Thursday
21st May
23

4

14

10

5-day weather forecast updated at 04:00 on Sunday 17th 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 Sunday 17th May 2026

Expect scattered clouds in Flagstaff, Arizona with a maximum temperature of 19°C, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 41 kph from the south-west.

19
°C maximum temperature
5
°C minimum temperature
scattered clouds
12
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
19
°C wind chill
41
kph wind from SW

Flagstaff weather for Monday 18th May 2026

Expect sunshine and showers in Flagstaff, Arizona with a maximum temperature of 16°C, maximum UV of 10 (Very High) and 14 hours of bright sunshine. There are 0-2 mm of rainfall expected with 4% chance of some rain and a fresh breeze of 31 kph from the south-west.

16
°C maximum temperature
3
°C minimum temperature
sunshine and showers
14
hours of sunshine
10
UV index (Very High)
4
% chance of some rain
<2
mm of rainfall expected
16
°C wind chill
31
kph wind from SW

Flagstaff weather for Tuesday 19th May 2026

Expect clear skies in Flagstaff, Arizona with a maximum temperature of 19°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 14 kph from the south-west.

19
°C maximum temperature
0
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from SW

Flagstaff weather for Wednesday 20th May 2026

Expect scattered clouds in Flagstaff, Arizona with a maximum temperature of 21°C, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

21
°C maximum temperature
2
°C minimum temperature
scattered clouds
10
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from SW

Flagstaff weather for Thursday 21st May 2026

Expect clear skies in Flagstaff, Arizona with a maximum temperature of 23°C, maximum UV of 10 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.