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.

Saturday
29th Aug
42

32

9

9
Sunday
30th Aug
39

30

8

9
Monday
31st Aug
37

28

8

9
Tuesday
1st Sep
38

27

9

9
Wednesday
2nd Sep
39

28

10

10

5-day weather forecast updated at 04:00 on Saturday 29th August 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 Saturday 29th August 2026

Expect isolated thunderstorms in Phoenix, Arizona with a maximum temperature of 42°C, very high levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a light breeze of 8 kph from the west.

42
°C maximum temperature
32
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
29
% chance of some rain
<2
mm of rainfall expected
VH
very high heat & humidity
8
kph wind from W

Phoenix weather for Sunday 30th August 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 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a light breeze of 8 kph from the south-west.

39
°C maximum temperature
30
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
9
UV index (Very High)
42
% chance of some rain
<2
mm of rainfall expected
VH
very high heat & humidity
8
kph wind from SW

Phoenix weather for Monday 31st August 2026

Expect isolated thunderstorms in Phoenix, Arizona with a maximum temperature of 37°C, very high levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 46% chance of some rain and a light breeze of 9 kph from the south-east.

37
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
9
UV index (Very High)
46
% chance of some rain
<5
mm of rainfall expected
VH
very high heat & humidity
9
kph wind from SE

Phoenix weather for Tuesday 1st September 2026

Expect scattered clouds in Phoenix, Arizona with a maximum temperature of 38°C, very high levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the west.

38
°C maximum temperature
27
°C minimum temperature
scattered clouds
9
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
8
kph wind from W

Phoenix weather for Wednesday 2nd September 2026

Expect scattered clouds in Phoenix, Arizona with a maximum temperature of 39°C, very high levels of heat & humidity, maximum UV of 10 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the west.