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.

Tuesday
19th May
19

2

13

UV10
Wednesday
20th May
20

3

14

UV10
Thursday
21st May
21

5

5

UV9
Friday
22nd May
23

6

6

UV10
Saturday
23rd May
23

6

4

UV9

5-day weather forecast updated at 04:00 on Tuesday 19th 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 Tuesday 19th May 2026

Expect clear skies in Flagstaff, Arizona with a maximum temperature of 19°C, maximum UV of 10 (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.

19
°C maximum temperature
2
°C minimum temperature
clear skies
13
hours of sunshine
UV10
UV index (Very High)
0
mm of rainfall expected
19
°C wind chill
21
kph wind from SW

Flagstaff weather for Wednesday 20th May 2026

Expect clear skies in Flagstaff, Arizona with a maximum temperature of 20°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 19 kph from the south-west.

20
°C maximum temperature
3
°C minimum temperature
clear skies
14
hours of sunshine
UV10
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from SW

Flagstaff weather for Thursday 21st May 2026

Expect broken clouds in Flagstaff, Arizona with a maximum temperature of 21°C, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

21
°C maximum temperature
5
°C minimum temperature
broken clouds
5
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from SW

Flagstaff weather for Friday 22nd May 2026

Expect broken clouds in Flagstaff, Arizona with a maximum temperature of 23°C, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

23
°C maximum temperature
6
°C minimum temperature
broken clouds
6
hours of sunshine
UV10
UV index (Very High)
0
mm of rainfall expected
23
°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 9 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.