Alamosa Weather Forecast 15 Days, Weather in Alamosa Today
Current weather conditions and 15 day weather forecast for Alamosa, Colorado, 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 Alamosa
| 06 December 2025 Saturday -13.3 ° C / 8.1°F  Freezing fog |
Feels Like : -15.6 ° C / 4°F Humidity : % 91 Pressure : 1017 mb Wind Speed : 3.6 kmph / 2.2 miles from N  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Alamosa, CO, USA
Weather Forecast for next 15 Days for Alamosa 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 Alamosa, Colorado 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday |  Partly Cloudy |
-12.8 ° C (9°F) |
1.7 ° C (35.1°F) |
-6.1 ° C (21°F) |
% 81 | 0% | 0.7 | Sunrise:07:03 AM Sunset: 04:45 PM |
Moonrise:05:22 PM Moonset: 08:10 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday | Partly Cloudy |
-8.9 ° C (16°F) |
5 ° C (41°F) |
-3.3 ° C (26.1°F) |
% 87 | 0% | 0.7 | Sunrise:07:04 AM Sunset: 04:45 PM |
Moonrise:06:34 PM Moonset: 09:15 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday |  Mist |
-8.5 ° C (16.7°F) |
1.3 ° C (34.3°F) |
-4.6 ° C (23.8°F) |
% 82 | 0% | 0.6 | Sunrise:07:05 AM Sunset: 04:45 PM |
Moonrise:07:50 PM Moonset: 10:07 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday | Mist |
-10.5 ° C (13°F) |
1.7 ° C (35.1°F) |
-6.5 ° C (20.4°F) |
% 84 | 0% | 0.6 | Sunrise:07:06 AM Sunset: 04:45 PM |
Moonrise:09:03 PM Moonset: 10:47 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday | Partly Cloudy |
-13 ° C (8.6°F) |
-0.4 ° C (31.2°F) |
-7.7 ° C (18.1°F) |
% 87 | 0% | 0.6 | Sunrise:07:07 AM Sunset: 04:45 PM |
Moonrise:10:12 PM Moonset: 11:20 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday | Partly Cloudy |
-9.3 ° C (15.2°F) |
0.8 ° C (33.4°F) |
-6.7 ° C (20°F) |
% 90 | 0% | 0 | Sunrise:07:08 AM Sunset: 04:45 PM |
Moonrise:11:17 PM Moonset: 11:47 AM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday | Partly Cloudy |
-7.5 ° C (18.5°F) |
2.4 ° C (36.4°F) |
-3.9 ° C (25°F) |
% 86 | 0% | 2 | Sunrise:07:08 AM Sunset: 04:45 PM |
Moonrise:No moonrise Moonset: 12:11 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday |  Sunny |
-5.8 ° C (21.5°F) |
2.9 ° C (37.2°F) |
-2.6 ° C (27.3°F) |
% 83 | 0% | 2 | Sunrise:07:09 AM Sunset: 04:46 PM |
Moonrise:12:18 AM Moonset: 12:33 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Sunny |
-5.7 ° C (21.7°F) |
2.8 ° C (37°F) |
-2.7 ° C (27.2°F) |
% 79 | 0% | 2 | Sunrise:07:10 AM Sunset: 04:46 PM |
Moonrise:01:18 AM Moonset: 12:55 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Sunny |
-5.4 ° C (22.3°F) |
3.9 ° C (39.1°F) |
-2.1 ° C (28.3°F) |
% 71 | 0% | 2 | Sunrise:07:10 AM Sunset: 04:46 PM |
Moonrise:02:17 AM Moonset: 01:18 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Sunny |
-3.9 ° C (24.9°F) |
3.8 ° C (38.9°F) |
-1.3 ° C (29.7°F) |
% 61 | 0% | 2 | Sunrise:07:11 AM Sunset: 04:47 PM |
Moonrise:03:17 AM Moonset: 01:44 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Sunny |
-4.5 ° C (23.9°F) |
4.6 ° C (40.2°F) |
-1.6 ° C (29.2°F) |
% 60 | 0% | 2 | Sunrise:07:12 AM Sunset: 04:47 PM |
Moonrise:04:17 AM Moonset: 02:13 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Light freezing rain |
-6.3 ° C (20.7°F) |
-0.5 ° C (31.1°F) |
-3.6 ° C (25.5°F) |
% 76 | 72% | 1 | Sunrise:07:12 AM Sunset: 04:47 PM |
Moonrise:05:18 AM Moonset: 02:47 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Partly Cloudy |
-9.6 ° C (14.7°F) |
-1.2 ° C (29.8°F) |
-6.3 ° C (20.7°F) |
% 77 | 0% | 2 | Sunrise:07:13 AM Sunset: 04:48 PM |
Moonrise:06:17 AM Moonset: 03:29 PM Moon Phase ( Waning Crescent ) |
|
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