Phoenix weather live forecast

Today's maximum temperature in Phoenix is expected to be 38°C. Select a day from the live weather forecast for Phoenix, Arizona, USA for more weather parameters.

Sunday
20th Sep
38

25

9

8
Monday
21st Sep
38

26

9

8
Tuesday
22nd Sep
37

24

12

8
Wednesday
23rd Sep
38

25

12

7
Thursday
24th Sep
37

27

11

9

5-day weather forecast updated at 04:00 on Sunday 20th September 2026 GMT

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

Phoenix weather forecast by day

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

Phoenix weather for Sunday 20th September 2026

Expect scattered clouds in Phoenix, Arizona with a maximum temperature of 38°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the east.

38
°C maximum temperature
25
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
4
kph wind from E

Phoenix weather for Monday 21st September 2026

38
°C maximum temperature
26
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
6
kph wind from SE

Phoenix weather for Tuesday 22nd September 2026

Expect clear skies in Phoenix, Arizona with a maximum temperature of 37°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south.

37
°C maximum temperature
24
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
6
kph wind from S

Phoenix weather for Wednesday 23rd September 2026

Expect clear skies in Phoenix, Arizona with a maximum temperature of 38°C, high levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.

38
°C maximum temperature
25
°C minimum temperature
clear skies
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
8
kph wind from E

Phoenix weather for Thursday 24th September 2026

Expect isolated thunderstorms in Phoenix, Arizona with a maximum temperature of 37°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and a light breeze of 7 kph from the east.