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Weather in Maricopa County, Arizona for August 2026

Your guide to Maricopa County weather in August - trends and predictions

    Official Weather Alert ⚠️

  • Extreme Heat Warning - See hour by hour.

    • Temperatures

  • So far, August 2026 in Maricopa County is slightly warmer than the historical average by 1 °F.

  • Expect cooler weather in the next days in Maricopa County with the forecast suggesting a temperature of 40.9 °F, lower than the historical average.

  • In general, the average temperature in Maricopa County at the beginning of August is 43.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 41.4 °F by the end of August.

    • Rain 🌧️

  • Maricopa County experiences moderate rainfall in August, with an average of 7 rainy days and a total precipitation of 37.6 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
40°/30°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
29 %
Avg humidity

Maricopa County Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Cloudy
42°
2
Sunny
44°
3
Sunny
44°
4
Sunny
43°
5
Sunny
44°
6
Sunny
43°
7
Partly cloudy
42°
8
Sunny
42°
9
Weather Alert Dust haze
47°
10
Dust haze
42°
11
Dust haze
40°
12
Patchy rain possible
35°
13
Patchy rain possible
35°
14
Sunny
36°
15
Sunny
39°
16
Sunny
40°
17
Sunny
41°
18
Sunny
42°
19
Sunny
45°
20
Sunny
42°
21
Sunny
45°
22
Sunny
44°
23
Sunny
41°
24
Sunny
41°
25
Sunny
41°
26
Sunny
42°
27
Cloudy
41°
28
Sunny
41°
29
Sunny
42°
30
Sunny
42°
31
Sunny
41°

Temperatures trend during August in Maricopa County

See the weather trend as well as the moving average line

August weather in Maricopa County day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Cloudy
Cloudy
 42° /29° 0.2 mm 10
Aug. 2 Sunny
Sunny
 44° /31° 0.2 mm 10
Aug. 3 Sunny
Sunny
 44° /31° 0 mm 11
Aug. 4 Sunny
Sunny
 43° /30° 0.4 mm 11
Aug. 5 Sunny
Sunny
 44° /30° 0.3 mm 11
Aug. 6 Sunny
Sunny
 43° /30° 0.6 mm 11
Aug. 7 Partly cloudy
Partly cloudy
 42° /30° 0.2 mm 10
Aug. 8 Sunny
Sunny
 42° /30° 0.5 mm 10
Aug. 9 Dust haze
Dust haze
 47° /31° 0 mm 8.6
Aug. 10 Dust haze
Dust haze
 42° /33° 0.6 mm 8.5
Aug. 11 Dust haze
Dust haze
 40° /31° 0.4 mm 9.2
Aug. 12 Patchy rain possible
Patchy rain possible
 35° /31° 5.6 mm 9.7
Aug. 13 Patchy rain possible
Patchy rain possible
 35° /26° 9.7 mm 8
Aug. 14 Sunny
Sunny
 36° /29° 1.6 mm 9
Aug. 15 Sunny
Sunny
 39° /32° 0 mm 9
Aug. 16 Sunny
Sunny
 40° /33° 0.9 mm 10
Aug. 17 Sunny
Sunny
 41° /33° 0 mm 10
Aug. 18 Sunny
Sunny
 42° /33° 0 mm 10
Aug. 19 Sunny
Sunny
 45° /32° 0 mm 10
Aug. 20 Sunny
Sunny
 42° /31° 0 mm 10
Aug. 21 Sunny
Sunny
 45° /35° 0.1 mm 10
Aug. 22 Sunny
Sunny
 44° /35° 0 mm 10
Aug. 23 Sunny
Sunny
 41° /29° 0.1 mm 9
Aug. 24 Sunny
Sunny
 41° /29° 0.3 mm 9
Aug. 25 Sunny
Sunny
 41° /29° 1.6 mm 9
Aug. 26 Sunny
Sunny
 42° /29° 0.1 mm 10
Aug. 27 Cloudy
Cloudy
 41° /30° 0.1 mm 9
Aug. 28 Sunny
Sunny
 41° /30° 0.1 mm 9
Aug. 29 Sunny
Sunny
 42° /30° 0 mm 10
Aug. 30 Sunny
Sunny
 42° /29° 0.1 mm 10
Aug. 31 Sunny
Sunny
 41° /29° 0.4 mm 9
Next
Important Notice
Our weather forecast for Maricopa County in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Maricopa County forecast closer to your planned date for the most up-to-date weather information.
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Maricopa County in August - FAQ

What are the expected maximum and minimum temperatures in Maricopa County during August?
With daytime temperatures soaring above 40° and not dropping much below 30° at night, August in Maricopa County is quite hot. Staying hydrated and avoiding peak sun hours is advisable.

How much rainfall should be expected in Maricopa County during August?
In August, Maricopa County can expect light to moderate rainfall, totaling 37.6 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Maricopa County during August?
The average wind speed in Maricopa County during August is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Maricopa County

Explore the daily rainfall trends and prepare for Maricopa Countys August weather 💧
Typically, Maricopa County has 7 rainy days in August with a total of 37.6 mm of rainfall.

UV exposure in Maricopa County during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Top locations in Maricopa County
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ChandlerDeer ValleyGilbertGlendaleMaryvaleMesaPeoriaPhoenixScottsdaleTempe
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Location coordinates Where is Maricopa County?

Get accurate weather forecasts for Maricopa County, located at latitude 33.448 and longitude -112.074. Stay updated with localized weather information tailored for Maricopa County.

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