Arizona weather live forecast

Today's maximum temperature in Arizona is expected to be 109°F. Select a day from the live weather forecast for Arizona (Phoenix), USA for more weather parameters.

Monday
17th Aug
109

86

13

10
Tuesday
18th Aug
109

88

11

10
Wednesday
19th Aug
109

88

11

10
Thursday
20th Aug
109

90

10

10
Friday
21st Aug
111

88

9

10

5-day weather forecast updated at 04:00 on Monday 17th 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.

Top Arizona destinations

Below are temperatures expected today at popular countries, regions and places in Arizona. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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Arizona weather forecast by day

Below are the detailed weather forecasts for Arizona for the next 5 days. The forecasts shown are for Phoenix and may not represent the whole of Arizona. Browse more destinations in Arizona to view more weather forecasts.

Arizona weather for Monday 17th August 2026

Expect clear skies in Arizona with a maximum temperature of 109°F, very high levels of heat & humidity, maximum UV of 10 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the west.

109
°F maximum temperature
86
°F minimum temperature
clear skies
13
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
4
mph wind from W

Arizona weather for Tuesday 18th August 2026

Expect scattered clouds in Arizona with a maximum temperature of 109°F, very high 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 4 mph from the east.

109
°F maximum temperature
88
°F minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
4
mph wind from E

Arizona weather for Wednesday 19th August 2026

109
°F maximum temperature
88
°F minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
VH
very high heat & humidity
4
mph wind from W

Arizona weather for Thursday 20th August 2026

Expect isolated thunderstorms in Arizona with a maximum temperature of 109°F, very high 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 21% chance of some rain and a light breeze of 6 mph from the west.

109
°F maximum temperature
90
°F minimum temperature
isolated thunderstorms
10
hours of sunshine
10
UV index (Very High)
21
% chance of some rain
<2
mm of rainfall expected
VH
very high heat & humidity
6
mph wind from W

Arizona weather for Friday 21st August 2026

Expect scattered clouds in Arizona with a maximum temperature of 111°F, extreme levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 mph from the west.