Flagstaff, AZ 14-Day Forecast
Arizona, United States 🇺🇸
72°
Patchy rain nearby right now
Today: high 75°, low 58°
Updated 47 min ago
Flagstaff weather for the next 14 days
Thursday, August 13
Patchy rain nearby High 70° Low 57°Precipitation
78%
· 0.44 in
Max wind
12 mph
Humidity
74%
UV index
11 - Extreme
Sunrise / sunset
05:44 AM / 07:18 PM
Friday, August 14
Sunny High 74° Low 56°Precipitation
36%
· 0.02 in
Max wind
11 mph
Humidity
57%
UV index
11 - Very High
Sunrise / sunset
05:45 AM / 07:16 PM
Saturday, August 15
Sunny High 80° Low 58°Precipitation
1%
· 0.0 in
Max wind
10 mph
Humidity
43%
UV index
12 - Extreme
Sunrise / sunset
05:46 AM / 07:15 PM
Sunday, August 16
Sunny High 77° Low 61°Precipitation
57%
· 0.07 in
Max wind
8 mph
Humidity
53%
UV index
6 - High
Sunrise / sunset
05:47 AM / 07:14 PM
Monday, August 17
Sunny High 79° Low 60°Precipitation
36%
· 0.01 in
Max wind
5 mph
Humidity
55%
UV index
7 - High
Sunrise / sunset
05:47 AM / 07:13 PM
Tuesday, August 18
Sunny High 84° Low 67°Precipitation
4%
· 0.0 in
Max wind
12 mph
Humidity
46%
UV index
7 - High
Sunrise / sunset
05:48 AM / 07:12 PM
Wednesday, August 19
Sunny High 83° Low 63°Precipitation
36%
· 0.03 in
Max wind
12 mph
Humidity
53%
UV index
7 - High
Sunrise / sunset
05:49 AM / 07:10 PM
Thursday, August 20
Sunny High 85° Low 62°Precipitation
1%
· 0.0 in
Max wind
11 mph
Humidity
43%
UV index
7 - High
Sunrise / sunset
05:50 AM / 07:09 PM
Friday, August 21
Sunny High 86° Low 65°Precipitation
1%
· 0.0 in
Max wind
8 mph
Humidity
37%
UV index
7 - High
Sunrise / sunset
05:51 AM / 07:08 PM
Saturday, August 22
Sunny High 84° Low 63°Precipitation
60%
· 0.78 in
Max wind
10 mph
Humidity
53%
UV index
7 - High
Sunrise / sunset
05:51 AM / 07:07 PM
Sunday, August 23
Sunny High 87° Low 65°Precipitation
2%
· 0.0 in
Max wind
9 mph
Humidity
45%
UV index
8 - Very High
Sunrise / sunset
05:52 AM / 07:05 PM
Monday, August 24
Sunny High 86° Low 66°Precipitation
57%
· 0.21 in
Max wind
7 mph
Humidity
49%
UV index
8 - Very High
Sunrise / sunset
05:53 AM / 07:04 PM
Tuesday, August 25
Sunny High 84° Low 65°Precipitation
36%
· 0.01 in
Max wind
10 mph
Humidity
52%
UV index
7 - High
Sunrise / sunset
05:54 AM / 07:03 PM
Flagstaff 14-day outlook: the story
The warmest day of Flagstaff's 14-day outlook is Sunday, August 23 with a high near 87°F (31°C); the coolest night comes Friday, August 14, dipping to 56°F (14°C). The trend points warmer: week two runs about 8°F above week one. Highs over the next two weeks average 77°F (25°C), about 3°F (2°C) below the typical August high of 80°F (27°C).
Precipitation is most likely on Wednesday 12, Thursday 13, Sunday 16, Saturday 22 and beyond; the wettest day looks like Saturday, August 22 with about 0.78 in (19.8 mm) expected. For the weekend, expect Saturday 80°F (26°C) and sunny / Sunday 77°F (25°C) and sunny.
For typical conditions month by month, see the Flagstaff climate & average temperatures guide.
Flagstaff forecast questions
Will it rain in Flagstaff this week?
The forecast currently shows meaningful precipitation chances on 5 of the next 14 days, peaking around Saturday, August 22.
What will be the warmest day in Flagstaff over the next 14 days?
Sunday, August 23, with a forecast high near 87°F (31°C).
How accurate is a 14-day forecast for Flagstaff?
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 Flagstaff by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 40° | 23° | 8 | 2.0 in | 8.4 h/day | 66% |
| February | 44° | 25° | 6 | 1.9 in | 9.7 h/day | 58% |
| March | 49° | 29° | 8 | 2.1 in | 10.5 h/day | 57% |
| April | 61° | 36° | 4 | 0.6 in | 12.4 h/day | 39% |
| May | 68° | 43° | 6 | 1.2 in | 12.9 h/day | 36% |
| June | 81° | 56° | 3 | 0.6 in | 13.7 h/day | 27% |
| July | 83° | 60° | 12 | 2.6 in | 12.5 h/day | 43% |
| August | 80° | 58° | 11 | 2.4 in | 12.2 h/day | 50% |
| September | 75° | 53° | 6 | 1.3 in | 11.6 h/day | 45% |
| October | 64° | 43° | 6 | 1.2 in | 10.5 h/day | 47% |
| November | 52° | 33° | 3 | 1.1 in | 9.4 h/day | 49% |
| December | 43° | 26° | 5 | 1.4 in | 8.3 h/day | 56% |
14-day forecasts nearby