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
| 05 December 2025 Friday -12.9 ° C / 8.8°F  Moderate snow |
Feels Like : -15.7 ° C / 3.7°F Humidity : % 85 Pressure : 1011 mb Wind Speed : 4.3 kmph / 2.7 miles from W  Visibility : 0.8 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday |  Moderate or heavy snow showers |
-14 ° C (6.8°F) |
-4 ° C (24.8°F) |
-9 ° C (15.8°F) |
% 89 | 70% | 0.3 | Sunrise:07:11 AM Sunset: 04:38 PM |
Moonrise:05:12 PM Moonset: 08:21 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday | Moderate or heavy snow showers |
-9.5 ° C (14.9°F) |
-4.5 ° C (23.9°F) |
-6.4 ° C (20.4°F) |
% 88 | 86% | 0.3 | Sunrise:07:12 AM Sunset: 04:38 PM |
Moonrise:06:24 PM Moonset: 09:25 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday | Moderate or heavy snow showers |
-17.1 ° C (1.2°F) |
-6.7 ° C (19.9°F) |
-10 ° C (14°F) |
% 89 | 86% | 0.4 | Sunrise:07:13 AM Sunset: 04:38 PM |
Moonrise:07:41 PM Moonset: 10:16 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday |  Heavy snow |
-16.4 ° C (2.5°F) |
-1.6 ° C (29.1°F) |
-9.8 ° C (14.3°F) |
% 94 | 69% | 0.3 | Sunrise:07:14 AM Sunset: 04:38 PM |
Moonrise:08:57 PM Moonset: 10:55 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday |  Patchy moderate snow |
-17.6 ° C (0.4°F) |
-1 ° C (30.2°F) |
-11.7 ° C (11°F) |
% 96 | 81% | 0 | Sunrise:07:14 AM Sunset: 04:38 PM |
Moonrise:10:08 PM Moonset: 11:25 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday |  Blizzard |
-6.3 ° C (20.7°F) |
0.3 ° C (32.6°F) |
-4 ° C (24.8°F) |
% 91 | 71% | 1 | Sunrise:07:15 AM Sunset: 04:38 PM |
Moonrise:11:15 PM Moonset: 11:50 AM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday |  Light snow |
-15.4 ° C (4.3°F) |
-5.8 ° C (21.5°F) |
-11.1 ° C (11.9°F) |
% 94 | 71% | 1 | Sunrise:07:16 AM Sunset: 04:38 PM |
Moonrise:No moonrise Moonset: 12:12 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Patchy moderate snow |
-12.8 ° C (8.9°F) |
1.5 ° C (34.8°F) |
-6.3 ° C (20.6°F) |
% 97 | 83% | 1 | Sunrise:07:17 AM Sunset: 04:38 PM |
Moonrise:12:18 AM Moonset: 12:32 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday |  Partly Cloudy |
-11.5 ° C (11.4°F) |
1.8 ° C (35.2°F) |
-6.9 ° C (19.5°F) |
% 92 | 0% | 2 | Sunrise:07:18 AM Sunset: 04:38 PM |
Moonrise:01:20 AM Moonset: 12:53 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday |  Sunny |
-13.6 ° C (7.6°F) |
2.4 ° C (36.3°F) |
-8.3 ° C (17.1°F) |
% 80 | 0% | 2 | 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 |
-12.9 ° C (8.8°F) |
1.9 ° C (35.4°F) |
-6.4 ° C (20.5°F) |
% 73 | 0% | 2 | Sunrise:07:19 AM Sunset: 04:39 PM |
Moonrise:03:22 AM Moonset: 01:38 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Light freezing rain |
-13.8 ° C (7.2°F) |
-0.1 ° C (31.9°F) |
-6.9 ° C (19.7°F) |
% 77 | 69% | 1 | Sunrise:07:20 AM Sunset: 04:39 PM |
Moonrise:04:24 AM Moonset: 02:05 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Moderate or heavy snow showers |
-12.9 ° C (8.8°F) |
-4.5 ° C (23.9°F) |
-7 ° C (19.4°F) |
% 90 | 61% | 1 | Sunrise:07:20 AM Sunset: 04:40 PM |
Moonrise:05:27 AM Moonset: 02:38 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Patchy moderate snow |
-18 ° C (-0.4°F) |
-7.7 ° C (18.1°F) |
-13.8 ° C (7.2°F) |
% 84 | 74% | 1 | Sunrise:07:21 AM Sunset: 04:40 PM |
Moonrise:06:27 AM Moonset: 03:19 PM Moon Phase ( Waning Crescent ) |
|
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