Phoenix weather live forecast

Today's maximum temperature in Phoenix is expected to be 32°C. Select a day from the live weather forecast for Phoenix, Arizona, USA for more weather parameters.

Wednesday
16th Sep
32

25

4

8
Thursday
17th Sep
35

25

10

8
Friday
18th Sep
38

26

12

8
Saturday
19th Sep
38

26

12

9
Sunday
20th Sep
38

25

9

8

5-day weather forecast updated at 04:00 on Wednesday 16th 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 Wednesday 16th September 2026

Expect isolated thunderstorms in Phoenix, Arizona with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 86% chance of some rain and a light breeze of 7 kph from the east.

32
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
8
UV index (Very High)
86
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
7
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 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 16% 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
10
hours of sunshine
8
UV index (Very High)
16
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
6
kph wind from E

Phoenix weather for Friday 18th September 2026

Expect clear skies in Phoenix, Arizona with a maximum temperature of 38°C, very 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 4 kph from the north-east.

38
°C maximum temperature
26
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
4
kph wind from NE

Phoenix weather for Saturday 19th September 2026

Expect clear skies in Phoenix, Arizona with a maximum temperature of 38°C, very high levels of heat & humidity, maximum UV of 9 (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 west.

38
°C maximum temperature
26
°C minimum temperature
clear skies
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
6
kph wind from W

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.