Phoenix weather live forecast

Today's maximum temperature in Phoenix is expected to be 45°C. Select a day from the live weather forecast for Phoenix, Arizona, USA for more weather parameters.

Saturday
8th Aug
45

32

11

10
Sunday
9th Aug
44

33

10

10
Monday
10th Aug
41

31

9

9
Tuesday
11th Aug
39

29

8

8
Wednesday
12th Aug
38

28

7

9

5-day weather forecast updated at 04:00 on Saturday 8th 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 8th August 2026

Expect scattered clouds in Phoenix, Arizona with a maximum temperature of 45°C, extreme levels of heat & humidity, maximum UV of 10 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south.

45
°C maximum temperature
32
°C minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
E
extreme heat & humidity
6
kph wind from S

Phoenix weather for Sunday 9th August 2026

Expect isolated thunderstorms in Phoenix, Arizona with a maximum temperature of 44°C, extreme levels of heat & humidity, maximum UV of 10 (Very High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 10 kph from the west.

44
°C maximum temperature
33
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
10
UV index (Very High)
25
% chance of some rain
<2
mm of rainfall expected
E
extreme heat & humidity
10
kph wind from W

Phoenix weather for Monday 10th August 2026

Expect isolated thunderstorms in Phoenix, Arizona with a maximum temperature of 41°C, very high levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 44% chance of some rain and a light breeze of 10 kph from the west.

41
°C maximum temperature
31
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
44
% chance of some rain
<5
mm of rainfall expected
VH
very high heat & humidity
10
kph wind from W

Phoenix weather for Tuesday 11th August 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 2-5 mm of rainfall expected with 34% chance of some rain and a light breeze of 9 kph from the west.

39
°C maximum temperature
29
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
8
UV index (Very High)
34
% chance of some rain
<5
mm of rainfall expected
VH
very high heat & humidity
9
kph wind from W

Phoenix weather for Wednesday 12th August 2026

Expect isolated thunderstorms in Phoenix, Arizona with a maximum temperature of 38°C, very high levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and little or no wind of 6 kph from the west.