Phoenix, AZ 14-Day Forecast

Arizona, United States 🇺🇸
77°
Patchy rain nearby right now Today: high 90°, low 74°
Updated 9 min ago

Phoenix weather for the next 14 days

Today

Patchy rain nearby High 90° Low 74°
Precipitation
75% · 0.57 in
26 mph
6 - High
Sunrise / sunset
06:12 AM / 06:33 PM

Thursday, September 17

Overcast High 90° Low 76°
Precipitation
57% · 0.06 in
Max wind
11 mph
Humidity
44%
UV index
8 - Very High
Sunrise / sunset
06:13 AM / 06:32 PM

Friday, September 18

Sunny High 95° Low 84°
Precipitation
0% · 0.0 in
Max wind
11 mph
Humidity
30%
UV index
8 - Very High
Sunrise / sunset
06:13 AM / 06:31 PM

Saturday, September 19

Sunny High 97° Low 85°
Precipitation
0% · 0.0 in
Max wind
10 mph
Humidity
15%
UV index
8 - High
Sunrise / sunset
06:14 AM / 06:29 PM

Sunday, September 20

Sunny High 96° Low 84°
Precipitation
3% · 0.0 in
Max wind
6 mph
Humidity
13%
UV index
8 - High
Sunrise / sunset
06:15 AM / 06:28 PM

Monday, September 21

Overcast High 95° Low 84°
Precipitation
4% · 0.0 in
Max wind
19 mph
Humidity
20%
UV index
9 - Very High
Sunrise / sunset
06:15 AM / 06:26 PM

Tuesday, September 22

Sunny High 91° Low 80°
Precipitation
36% · 0.01 in
Max wind
6 mph
Humidity
21%
UV index
8 - Very High
Sunrise / sunset
06:16 AM / 06:25 PM

Wednesday, September 23

Sunny High 94° Low 84°
Precipitation
1% · 0.0 in
Max wind
8 mph
Humidity
22%
UV index
8 - Very High
Sunrise / sunset
06:17 AM / 06:24 PM

Thursday, September 24

Sunny High 96° Low 84°
Precipitation
0% · 0.0 in
Max wind
14 mph
Humidity
32%
UV index
9 - Very High
Sunrise / sunset
06:17 AM / 06:22 PM

Friday, September 25

Sunny High 100° Low 85°
Precipitation
1% · 0.0 in
Max wind
13 mph
Humidity
30%
UV index
9 - Very High
Sunrise / sunset
06:18 AM / 06:21 PM

Saturday, September 26

Sunny High 100° Low 88°
Precipitation
1% · 0.0 in
Max wind
10 mph
Humidity
26%
UV index
9 - Very High
Sunrise / sunset
06:19 AM / 06:20 PM

Sunday, September 27

Sunny High 101° Low 90°
Precipitation
1% · 0.0 in
Max wind
8 mph
Humidity
24%
UV index
9 - Very High
Sunrise / sunset
06:19 AM / 06:18 PM

Monday, September 28

Sunny High 98° Low 79°
Precipitation
36% · 0.02 in
Max wind
14 mph
Humidity
39%
UV index
9 - Very High
Sunrise / sunset
06:20 AM / 06:17 PM

Tuesday, September 29

Sunny High 97° Low 82°
Precipitation
2% · 0.0 in
Max wind
8 mph
Humidity
35%
UV index
9 - Very High
Sunrise / sunset
06:21 AM / 06:15 PM

Phoenix 14-day outlook: the story

The warmest day of Phoenix's 14-day outlook is Sunday, September 27 with a high near 101°F (38°C); the coolest night comes Wednesday, September 16, dipping to 74°F (24°C). The trend points warmer: week two runs about 5°F above week one. Highs over the next two weeks average 93°F (34°C), about 7°F (4°C) below the typical September high of 100°F (38°C).

Precipitation is most likely on Wednesday 16, Thursday 17; the wettest day looks like Wednesday, September 16 with about 0.57 in (14.5 mm) expected. For the weekend, expect Saturday 97°F (36°C) and sunny / Sunday 96°F (35°C) and sunny.

For typical conditions month by month, see the Phoenix climate & average temperatures guide.

Phoenix forecast questions

Will it rain in Phoenix this week?
The forecast currently shows meaningful precipitation chances on 2 of the next 14 days, peaking around Wednesday, September 16.
What will be the warmest day in Phoenix over the next 14 days?
Sunday, September 27, with a forecast high near 101°F (38°C).
How accurate is a 14-day forecast for Phoenix?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.

Average temperatures in Phoenix by month

Monthly averages for Phoenix based on 2015–2024 weather data.
MonthHighLow Rain daysPrecipitation SunshineHumidity
January 65° 42° 4 1.3 in 8.5 h/day 55%
February 70° 45° 3 1.2 in 9.7 h/day 46%
March 77° 51° 3 1.1 in 10.6 h/day 37%
April 87° 59° 1 0.2 in 12.5 h/day 21%
May 93° 67° 1 0.1 in 12.9 h/day 19%
June 105° 78° 1 0.2 in 13.2 h/day 17%
July 106° 84° 5 1.9 in 12.1 h/day 31%
August 104° 83° 5 1.4 in 12.2 h/day 35%
September 100° 76° 3 0.9 in 11.4 h/day 33%
October 89° 64° 2 1.0 in 10.5 h/day 32%
November 76° 51° 2 0.6 in 9.4 h/day 36%
December 66° 44° 4 1.3 in 8.2 h/day 50%
14-day forecasts nearby