Maricopa County, AZ Weather Forecast

County weather hub

79°
F

Mostly Cloudy

Compare major city weather across Maricopa County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Wednesday, September 23, 2026
Wind: 10 mph ENE
Overnight

Mostly cloudy. Low around 79, with temperatures rising to around 81 overnight. East northeast wind around 10 mph.

County weather hub

County Weather Overview

This county weather page brings together forecast coverage for Maricopa County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.

Current forecast coverage spans 16 of 16 mapped cities in Maricopa County.

Page Snapshot

Page focus
county weather
Forecast window
Sep 23 to Sep 29, 2026
Latest sync
Sep 23, 2026 6:12 AM MST
Forecast office
PSR
Source
NOAA / NWS
Next High
100°F
Wednesday
Next Low
79°F
Overnight
Rain Outlook
6
Periods mentioning precipitation
Windiest
10 mph
Overnight

Daily Outlook

Today
Sep 23
Partly Sunny
100 °F
/ 79°F
Wind 5 to 10 mph
Thu
Sep 24
Sunny
100 °F
/ 78°F
Wind 5 to 10 mph
Fri
Sep 25
Sunny
100 °F
/ 78°F
Wind 0 to 10 mph
Sat
Sep 26
Sunny
103 °F
/ 79°F
Wind 5 to 10 mph
Sun
Sep 27
Slight Chance Showers And Thunderstorms
99 °F
/ 77°F
Wind 5 to 10 mph
Mon
Sep 28
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
95 °F
/ 73°F
Wind 5 to 10 mph
Tue
Sep 29
Slight Chance Rain Showers
95 °F
Wind 5 mph

This Week in Maricopa County

Saturday looks like the warmest upcoming period in Maricopa County at 103 degrees F.

Monday Night is the coolest period ahead with temperatures near 73 degrees F.

The strongest winds are forecast for Overnight at about 10 mph ENE.

Precipitation is mentioned in 6 upcoming forecast periods.

Forecast Details

Last updated
Sep 23, 2026 6:12 AM MST
Coverage
7 days
Time zone
America/Phoenix
Forecast office
PSR
Radar station
KIWA

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday
Sep 23
100°F
Partly Sunny
5 to 10 mph E

Partly sunny. High near 100, with temperatures falling to around 98 in the afternoon. East wind 5 to 10 mph.

Wednesday Night
Sep 23
78°F
Patchy Blowing Dust
5 to 10 mph ENE

A slight chance of showers and thunderstorms before 8pm, then patchy blowing dust and a slight chance of showers and thunderstorms between 8pm and 9pm, then patchy blowing dust and a chance of showers and thunderstorms between 9pm and 3am. Mostly cloudy, with a low around 78. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Thursday
Sep 24
100°F
Sunny
5 to 10 mph ENE

Sunny, with a high near 100. East northeast wind 5 to 10 mph.

Thursday Night
Sep 24
78°F
Mostly Clear
0 to 10 mph NE

Mostly clear, with a low around 78. Northeast wind 0 to 10 mph.

Friday
Sep 25
100°F
Sunny
0 to 10 mph ENE

Sunny, with a high near 100. East northeast wind 0 to 10 mph.

Friday Night
Sep 25
78°F
Mostly Clear
0 to 5 mph N

Mostly clear, with a low around 78. North wind 0 to 5 mph.

Saturday
Sep 26
103°F
Sunny
5 to 10 mph SE

Sunny, with a high near 103. Southeast wind 5 to 10 mph.

Saturday Night
Sep 26
79°F
Partly Cloudy
0 to 5 mph SSW

Partly cloudy, with a low around 79. South southwest wind 0 to 5 mph.

Sunday
Sep 27
99°F
Slight Chance Showers And Thunderstorms
5 to 10 mph SSE

A slight chance of showers and thunderstorms after 11am. Partly sunny, with a high near 99. South southeast wind 5 to 10 mph.

Sunday Night
Sep 27
77°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
5 mph NE

A slight chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Northeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Monday
Sep 28
95°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
5 to 10 mph SSE

A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 95. South southeast wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

Monday Night
Sep 28
73°F
Slight Chance Rain Showers
5 mph WNW

A slight chance of rain showers. Partly cloudy, with a low around 73. West northwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Tuesday
Sep 29
95°F
Slight Chance Rain Showers
5 mph N

A slight chance of rain showers before 5pm. Sunny, with a high near 95. North wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Sep 23
Mostly Cloudy
79°F
10 mph
ENE
Wednesday
Sep 23
Partly Sunny
100°F
5 to 10 mph
E
Wednesday Night
Sep 23
Patchy Blowing Dust
78°F
5 to 10 mph
ENE
Thursday
Sep 24
Sunny
100°F
5 to 10 mph
ENE
Thursday Night
Sep 24
Mostly Clear
78°F
0 to 10 mph
NE
Friday
Sep 25
Sunny
100°F
0 to 10 mph
ENE
Friday Night
Sep 25
Mostly Clear
78°F
0 to 5 mph
N
Saturday
Sep 26
Sunny
103°F
5 to 10 mph
SE
Saturday Night
Sep 26
Partly Cloudy
79°F
0 to 5 mph
SSW
Sunday
Sep 27
Slight Chance Showers And Thunderstorms
99°F
5 to 10 mph
SSE
Sunday Night
Sep 27
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
77°F
5 mph
NE
Monday
Sep 28
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
95°F
5 to 10 mph
SSE
Monday Night
Sep 28
Slight Chance Rain Showers
73°F
5 mph
WNW
Tuesday
Sep 29
Slight Chance Rain Showers
95°F
5 mph
N
Maricopa County Courthouse October 6 2013 Phoenix Arizona 2816x2112 Rear
Maricopa County Courthouse October 6 2013 Phoenix Arizona 2816x2112 Rear image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.