Phoenix weather live forecast

Today's maximum temperature in Phoenix is expected to be 42°C. Select a day from the live weather forecast for Phoenix, Arizona, USA for more weather parameters.

Thursday
10th Sep
42

30

11

9
Friday
11th Sep
41

31

12

8
Saturday
12th Sep
40

29

12

9
Sunday
13th Sep
39

30

8

8
Monday
14th Sep
39

29

7

9

5-day weather forecast updated at 04:00 on Thursday 10th 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 Thursday 10th September 2026

Expect clear skies in Phoenix, Arizona with a maximum temperature of 42°C, very high levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-west.

42
°C maximum temperature
30
°C minimum temperature
clear skies
11
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
10
kph wind from SW

Phoenix weather for Friday 11th September 2026

Expect clear skies in Phoenix, Arizona with a maximum temperature of 41°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 a gentle breeze of 13 kph from the south-west.

41
°C maximum temperature
31
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
13
kph wind from SW

Phoenix weather for Saturday 12th September 2026

Expect isolated thunderstorms in Phoenix, Arizona with a maximum temperature of 40°C, very high levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a light breeze of 9 kph from the west.

40
°C maximum temperature
29
°C minimum temperature
isolated thunderstorms
12
hours of sunshine
9
UV index (Very High)
28
% chance of some rain
<2
mm of rainfall expected
VH
very high heat & humidity
9
kph wind from W

Phoenix weather for Sunday 13th September 2026

Expect isolated thunderstorms in Phoenix, Arizona with a maximum temperature of 39°C, very high levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and little or no wind of 6 kph from the south-west.

39
°C maximum temperature
30
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
8
UV index (Very High)
21
% chance of some rain
<2
mm of rainfall expected
VH
very high heat & humidity
6
kph wind from SW

Phoenix weather for Monday 14th September 2026

Expect isolated thunderstorms in Phoenix, Arizona with a maximum temperature of 39°C, very high levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a light breeze of 10 kph from the south-west.