Phoenix weather live forecast

Today's maximum temperature in Phoenix is expected to be 39°C. Select a day from the live weather forecast for Phoenix, Arizona, USA for more weather parameters.

Tuesday
11th Aug
39

30

9

9
Wednesday
12th Aug
36

30

8

9
Thursday
13th Aug
35

28

7

10
Friday
14th Aug
37

28

10

10
Saturday
15th Aug
39

29

9

9

5-day weather forecast updated at 04:00 on Tuesday 11th 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 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 9 (Very High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 20% chance of some rain and a light breeze of 10 kph from the west.

39
°C maximum temperature
30
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
20
% chance of some rain
<5
mm of rainfall expected
VH
very high heat & humidity
10
kph wind from W

Phoenix weather for Wednesday 12th August 2026

Expect scattered clouds in Phoenix, Arizona with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south-west.

36
°C maximum temperature
30
°C minimum temperature
scattered clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
6
kph wind from SW

Phoenix weather for Thursday 13th August 2026

Expect isolated thunderstorms in Phoenix, Arizona with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 31% chance of some rain and little or no wind of 5 kph from the south-east.

35
°C maximum temperature
28
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
31
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
5
kph wind from SE

Phoenix weather for Friday 14th August 2026

Expect scattered clouds in Phoenix, Arizona with a maximum temperature of 37°C, 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 little or no wind of 5 kph from the south.

37
°C maximum temperature
28
°C minimum temperature
scattered clouds
10
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
5
kph wind from S

Phoenix weather for Saturday 15th August 2026

Expect broken clouds in Phoenix, Arizona with a maximum temperature of 39°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 little or no wind of 4 kph from the west.