Phoenix weather live forecast

Today's maximum temperature in Phoenix is expected to be 37°C. Select a day from the live weather forecast for Phoenix, Arizona, USA for more weather parameters.

Tuesday
15th Sep
37

28

8

8
Wednesday
16th Sep
33

27

7

7
Thursday
17th Sep
35

25

8

8
Friday
18th Sep
38

27

10

8
Saturday
19th Sep
39

26

10

9

5-day weather forecast updated at 04:00 on Tuesday 15th 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 Tuesday 15th September 2026

Expect isolated thunderstorms in Phoenix, Arizona with a maximum temperature of 37°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 48% chance of some rain and a light breeze of 8 kph from the south-east.

37
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
8
UV index (Very High)
48
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
8
kph wind from SE

Phoenix weather for Wednesday 16th September 2026

Expect broken clouds in Phoenix, Arizona with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the east.

33
°C maximum temperature
27
°C minimum temperature
broken clouds
7
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
9
kph wind from E

Phoenix weather for Thursday 17th September 2026

Expect isolated thunderstorms in Phoenix, Arizona with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 20% chance of some rain and little or no wind of 6 kph from the east.

35
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
8
UV index (Very High)
20
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
6
kph wind from E

Phoenix weather for Friday 18th September 2026

Expect scattered clouds in Phoenix, Arizona with a maximum temperature of 38°C, very high levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north-east.

38
°C maximum temperature
27
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
5
kph wind from NE

Phoenix weather for Saturday 19th September 2026

Expect scattered clouds in Phoenix, Arizona with a maximum temperature of 39°C, very high levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the east.