Granby Grand County Airport Weather Forecast 15 Days, Weather in KGNB Today
Current weather conditions and 15 day weather forecast for Granby Grand County Airport, 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 Granby Grand County Airport
| 13 December 2025 Saturday -4.7 ° C / 23.5°F  Partly Cloudy |
Feels Like : -6 ° C / 21.1°F Humidity : % 45 Pressure : 1023 mb Wind Speed : 3.6 kmph / 2.2 miles from WNW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Granby Grand County Airport, CO, USA
Weather Forecast for next 15 Days for Granby Grand County Airport 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 Granby Grand County Airport, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 December 2025 Friday | Partly Cloudy |
-8.7 ° C (16.3°F) |
3.9 ° C (39°F) |
-3.4 ° C (25.8°F) |
% 82 | 0% | 0.5 | Sunrise:07:17 AM Sunset: 04:38 PM |
Moonrise:12:18 AM Moonset: 12:32 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday |  Sunny |
-8.9 ° C (16°F) |
4.8 ° C (40.6°F) |
-3.5 ° C (25.6°F) |
% 70 | 0% | 0.5 | Sunrise:07:18 AM Sunset: 04:38 PM |
Moonrise:01:20 AM Moonset: 12:53 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Partly Cloudy |
-5.7 ° C (21.7°F) |
7.7 ° C (45.9°F) |
-1.2 ° C (29.8°F) |
% 39 | 0% | 0.5 | Sunrise:07:18 AM Sunset: 04:39 PM |
Moonrise:02:21 AM Moonset: 01:14 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Sunny |
-8.1 ° C (17.4°F) |
3.9 ° C (39°F) |
-3.6 ° C (25.5°F) |
% 58 | 0% | 0.5 | Sunrise:07:19 AM Sunset: 04:39 PM |
Moonrise:03:22 AM Moonset: 01:38 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Sunny |
-9.4 ° C (15.2°F) |
2.6 ° C (36.7°F) |
-5.1 ° C (22.8°F) |
% 70 | 0% | 0.4 | Sunrise:07:20 AM Sunset: 04:39 PM |
Moonrise:04:24 AM Moonset: 02:05 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Sunny |
-6.5 ° C (20.4°F) |
5 ° C (41°F) |
-3.9 ° C (24.9°F) |
% 73 | 0% | 0 | Sunrise:07:20 AM Sunset: 04:40 PM |
Moonrise:05:27 AM Moonset: 02:38 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Sunny |
-8.4 ° C (17°F) |
2.9 ° C (37.2°F) |
-4.6 ° C (23.8°F) |
% 73 | 0% | 2 | Sunrise:07:21 AM Sunset: 04:40 PM |
Moonrise:06:27 AM Moonset: 03:19 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Sunny |
-6.3 ° C (20.7°F) |
5.8 ° C (42.5°F) |
-2.3 ° C (27.8°F) |
% 66 | 0% | 2 | Sunrise:07:22 AM Sunset: 04:40 PM |
Moonrise:07:25 AM Moonset: 04:07 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Patchy moderate snow |
-4.8 ° C (23.4°F) |
3.3 ° C (37.9°F) |
-1.4 ° C (29.5°F) |
% 77 | 71% | 1 | Sunrise:07:22 AM Sunset: 04:41 PM |
Moonrise:08:16 AM Moonset: 05:03 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Light snow showers |
-5.4 ° C (22.2°F) |
3.9 ° C (39°F) |
-1 ° C (30.1°F) |
% 84 | 83% | 1 | Sunrise:07:23 AM Sunset: 04:41 PM |
Moonrise:09:00 AM Moonset: 06:05 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Patchy snow nearby |
-16.1 ° C (3°F) |
-5.2 ° C (22.6°F) |
-7 ° C (19.5°F) |
% 84 | 87% | 1 | Sunrise:07:23 AM Sunset: 04:42 PM |
Moonrise:09:37 AM Moonset: 07:10 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Partly Cloudy |
-16.7 ° C (2°F) |
-0.4 ° C (31.4°F) |
-11 ° C (12.2°F) |
% 73 | 0% | 2 | Sunrise:07:24 AM Sunset: 04:42 PM |
Moonrise:10:08 AM Moonset: 08:17 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Partly Cloudy |
-10.8 ° C (12.5°F) |
4.1 ° C (39.4°F) |
-5.6 ° C (21.9°F) |
% 72 | 0% | 2 | Sunrise:07:24 AM Sunset: 04:43 PM |
Moonrise:10:34 AM Moonset: 09:23 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Light freezing rain |
-4.4 ° C (24.2°F) |
3 ° C (37.5°F) |
-1.2 ° C (29.8°F) |
% 86 | 89% | 1 | Sunrise:07:24 AM Sunset: 04:44 PM |
Moonrise:10:58 AM Moonset: 10:29 PM Moon Phase ( Waxing Crescent ) |
|
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