Flagstaff Weather Forecast 15 Days, Weather in Flagstaff Today
Current weather conditions and 15 day weather forecast for Flagstaff, Arizona, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Flagstaff
| 19 December 2025 Friday 10.1 ° C / 50.2°F  Partly Cloudy |
Feels Like : 9.6 ° C / 49.2°F Humidity : % 37 Pressure : 1021 mb Wind Speed : 6.1 kmph / 3.8 miles from W  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Flagstaff, AZ, USA
Weather Forecast for next 15 Days for Flagstaff including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Flagstaff, Arizona state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 19 December 2025 Friday |  Sunny |
5.6 ° C (42.1°F) |
12.9 ° C (55.2°F) |
8.8 ° C (47.9°F) |
% 44 | 0% | 0.6 | Sunrise:07:31 AM Sunset: 05:18 PM |
Moonrise:07:30 AM Moonset: 04:50 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
3.8 ° C (38.8°F) |
12.5 ° C (54.5°F) |
6.8 ° C (44.2°F) |
% 49 | 0% | 0.6 | Sunrise:07:31 AM Sunset: 05:18 PM |
Moonrise:08:21 AM Moonset: 05:46 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
4.2 ° C (39.6°F) |
14 ° C (57.2°F) |
7.1 ° C (44.8°F) |
% 57 | 0% | 0.7 | Sunrise:07:32 AM Sunset: 05:19 PM |
Moonrise:09:07 AM Moonset: 06:46 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
3.7 ° C (38.7°F) |
14.7 ° C (58.5°F) |
7.5 ° C (45.5°F) |
% 43 | 0% | 0.6 | Sunrise:07:32 AM Sunset: 05:19 PM |
Moonrise:09:46 AM Moonset: 07:49 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Cloudy |
4.6 ° C (40.4°F) |
11.7 ° C (53°F) |
6.6 ° C (43.9°F) |
% 41 | 0% | 0 | Sunrise:07:33 AM Sunset: 05:20 PM |
Moonrise:10:19 AM Moonset: 08:51 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Patchy rain nearby |
4.2 ° C (39.5°F) |
7.3 ° C (45.2°F) |
6 ° C (42.8°F) |
% 86 | 89% | 2 | Sunrise:07:33 AM Sunset: 05:21 PM |
Moonrise:10:49 AM Moonset: 09:54 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
5.7 ° C (42.2°F) |
9.5 ° C (49°F) |
7 ° C (44.6°F) |
% 87 | 89% | 2 | Sunrise:07:33 AM Sunset: 05:21 PM |
Moonrise:11:16 AM Moonset: 10:57 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
3.8 ° C (38.9°F) |
5.1 ° C (41.1°F) |
4.5 ° C (40.1°F) |
% 93 | 86% | 1 | Sunrise:07:34 AM Sunset: 05:22 PM |
Moonrise:11:42 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Patchy rain nearby |
-0.7 ° C (30.7°F) |
2.7 ° C (36.8°F) |
1.9 ° C (35.4°F) |
% 95 | 88% | 1 | Sunrise:07:34 AM Sunset: 05:22 PM |
Moonrise:12:08 PM Moonset: 12:01 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Light freezing rain |
-5.5 ° C (22.1°F) |
1.2 ° C (34.2°F) |
-2.1 ° C (28.2°F) |
% 85 | 82% | 1 | Sunrise:07:34 AM Sunset: 05:23 PM |
Moonrise:12:36 PM Moonset: 01:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Partly Cloudy |
-6.5 ° C (20.3°F) |
2.4 ° C (36.2°F) |
-2.7 ° C (27.1°F) |
% 80 | 0% | 2 | Sunrise:07:35 AM Sunset: 05:24 PM |
Moonrise:01:08 PM Moonset: 02:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Heavy snow |
-2.9 ° C (26.8°F) |
0.7 ° C (33.3°F) |
-1.2 ° C (29.9°F) |
% 92 | 68% | 1 | Sunrise:07:35 AM Sunset: 05:25 PM |
Moonrise:01:47 PM Moonset: 03:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-6.2 ° C (20.8°F) |
2.3 ° C (36.1°F) |
-3.3 ° C (26.1°F) |
% 80 | 0% | 2 | Sunrise:07:35 AM Sunset: 05:25 PM |
Moonrise:02:33 PM Moonset: 04:44 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Partly Cloudy |
-7.9 ° C (17.7°F) |
-3.3 ° C (26°F) |
-5.8 ° C (21.6°F) |
% 56 | 0% | 2 | Sunrise:07:35 AM Sunset: 05:26 PM |
Moonrise:03:32 PM Moonset: 05:59 AM Moon Phase ( Waxing Gibbous ) |
|
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