Flagstaff, AZ 14-Day Forecast
Arizona, United States 🇺🇸
85°
Thundery outbreaks in nearby right now
Today: high 85°, low 58°
Updated 20 min ago
Flagstaff weather for the next 14 days
Friday, August 7
Sunny High 90° Low 63°Precipitation
2%
· 0.0 in
Max wind
8 mph
Humidity
37%
UV index
10 - Very High
Sunrise / sunset
05:40 AM / 07:24 PM
Saturday, August 8
Sunny High 89° Low 65°Precipitation
36%
· 0.03 in
Max wind
17 mph
Humidity
37%
UV index
10 - Very High
Sunrise / sunset
05:41 AM / 07:23 PM
Sunday, August 9
Sunny High 88° Low 60°Precipitation
61%
· 0.64 in
Max wind
16 mph
Humidity
52%
UV index
9 - Very High
Sunrise / sunset
05:41 AM / 07:22 PM
Monday, August 10
Sunny High 84° Low 58°Precipitation
65%
· 0.77 in
Max wind
17 mph
Humidity
55%
UV index
7 - High
Sunrise / sunset
05:42 AM / 07:21 PM
Tuesday, August 11
Sunny High 81° Low 59°Precipitation
69%
· 0.67 in
Max wind
15 mph
Humidity
64%
UV index
7 - High
Sunrise / sunset
05:43 AM / 07:20 PM
Wednesday, August 12
Patchy rain nearby High 81° Low 62°Precipitation
57%
· 0.04 in
Max wind
12 mph
Humidity
58%
UV index
7 - High
Sunrise / sunset
05:44 AM / 07:19 PM
Thursday, August 13
Patchy rain nearby High 76° Low 62°Precipitation
57%
· 0.09 in
Max wind
12 mph
Humidity
63%
UV index
6 - High
Sunrise / sunset
05:44 AM / 07:18 PM
Friday, August 14
Patchy rain nearby High 74° Low 60°Precipitation
73%
· 0.38 in
Max wind
9 mph
Humidity
69%
UV index
6 - High
Sunrise / sunset
05:45 AM / 07:16 PM
Saturday, August 15
Sunny High 76° Low 60°Precipitation
4%
· 0.0 in
Max wind
6 mph
Humidity
53%
UV index
6 - High
Sunrise / sunset
05:46 AM / 07:15 PM
Sunday, August 16
Sunny High 81° Low 62°Precipitation
1%
· 0.0 in
Max wind
12 mph
Humidity
39%
UV index
7 - High
Sunrise / sunset
05:47 AM / 07:14 PM
Monday, August 17
Sunny High 80° Low 63°Precipitation
1%
· 0.0 in
Max wind
16 mph
Humidity
37%
UV index
7 - High
Sunrise / sunset
05:47 AM / 07:13 PM
Tuesday, August 18
Sunny High 78° Low 61°Precipitation
36%
· 0.02 in
Max wind
18 mph
Humidity
54%
UV index
7 - High
Sunrise / sunset
05:48 AM / 07:12 PM
Wednesday, August 19
Patchy rain nearby High 77° Low 58°Precipitation
57%
· 0.1 in
Max wind
10 mph
Humidity
65%
UV index
6 - High
Sunrise / sunset
05:49 AM / 07:10 PM
Flagstaff 14-day outlook: the story
The warmest day of Flagstaff's 14-day outlook is Friday, August 7 with a high near 90°F (32°C); the coolest night comes Monday, August 10, dipping to 58°F (14°C). The trend points cooler: week two runs about 8°F below week one. Highs over the next two weeks average 85°F (30°C), about 5°F (3°C) above the typical August high of 80°F (27°C).
Precipitation is most likely on Thursday 6, Sunday 9, Monday 10, Tuesday 11 and beyond; the wettest day looks like Thursday, August 6 with about 0.88 in (22.3 mm) expected. For the weekend, expect Saturday 89°F (32°C) and sunny / Sunday 88°F (31°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 8 of the next 14 days, peaking around Thursday, August 6.
What will be the warmest day in Flagstaff over the next 14 days?
Friday, August 7, with a forecast high near 90°F (32°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