Granby Weather Forecast 15 Days, Weather in Granby Today
Current weather conditions and 15 day weather forecast for Granby, 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
| 24 December 2025 Wednesday -2.6 ° C / 27.3°F  Clear |
Feels Like : -3.7 ° C / 25.3°F Humidity : % 68 Pressure : 1030 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, CO, USA
Weather Forecast for next 15 Days for Granby 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, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 December 2025 Wednesday |  Cloudy |
-3.1 ° C (26.4°F) |
3 ° C (37.4°F) |
0.3 ° C (32.5°F) |
% 72 | 0% | 0.5 | Sunrise:07:24 AM Sunset: 04:43 PM |
Moonrise:10:34 AM Moonset: 09:23 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Overcast |
-1.3 ° C (29.7°F) |
4.3 ° C (39.7°F) |
1 ° C (33.8°F) |
% 95 | 0% | 0.3 | Sunrise:07:24 AM Sunset: 04:44 PM |
Moonrise:10:58 AM Moonset: 10:29 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Moderate or heavy snow showers |
-2.1 ° C (28.3°F) |
1.3 ° C (34.3°F) |
-0.3 ° C (31.5°F) |
% 88 | 83% | 0.4 | Sunrise:07:25 AM Sunset: 04:44 PM |
Moonrise:11:20 AM Moonset: 11:37 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Patchy moderate snow |
-5.4 ° C (22.3°F) |
-0.6 ° C (31°F) |
-3.1 ° C (26.4°F) |
% 88 | 62% | 0.3 | Sunrise:07:25 AM Sunset: 04:45 PM |
Moonrise:11:43 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Moderate or heavy snow showers |
-9.7 ° C (14.5°F) |
-0 ° C (31.9°F) |
-5.5 ° C (22.1°F) |
% 90 | 60% | 0 | Sunrise:07:25 AM Sunset: 04:46 PM |
Moonrise:12:06 PM Moonset: 12:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-9.3 ° C (15.3°F) |
1.9 ° C (35.5°F) |
-6 ° C (21.3°F) |
% 77 | 0% | 2 | Sunrise:07:26 AM Sunset: 04:46 PM |
Moonrise:12:34 PM Moonset: 02:00 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-7.4 ° C (18.6°F) |
2 ° C (35.5°F) |
-3.6 ° C (25.6°F) |
% 79 | 0% | 2 | Sunrise:07:26 AM Sunset: 04:47 PM |
Moonrise:01:09 PM Moonset: 03:17 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Partly Cloudy |
-8.4 ° C (16.8°F) |
2.6 ° C (36.7°F) |
-4.7 ° C (23.6°F) |
% 87 | 0% | 2 | Sunrise:07:26 AM Sunset: 04:48 PM |
Moonrise:01:53 PM Moonset: 04:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Light freezing rain |
-8.2 ° C (17.3°F) |
3.8 ° C (38.8°F) |
-3.4 ° C (25.9°F) |
% 61 | 74% | 1 | Sunrise:07:26 AM Sunset: 04:49 PM |
Moonrise:02:48 PM Moonset: 05:54 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Light freezing rain |
-7 ° C (19.4°F) |
2.8 ° C (37°F) |
-3.2 ° C (26.2°F) |
% 84 | 89% | 1 | Sunrise:07:26 AM Sunset: 04:50 PM |
Moonrise:03:56 PM Moonset: 07:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Moderate or heavy snow showers |
-7.5 ° C (18.5°F) |
-0.9 ° C (30.4°F) |
-5.1 ° C (22.7°F) |
% 92 | 64% | 1 | Sunrise:07:26 AM Sunset: 04:51 PM |
Moonrise:05:12 PM Moonset: 08:01 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday |  Light snow |
-8.5 ° C (16.7°F) |
0.8 ° C (33.4°F) |
-6 ° C (21.2°F) |
% 91 | 71% | 1 | Sunrise:07:26 AM Sunset: 04:52 PM |
Moonrise:06:30 PM Moonset: 08:46 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Sunny |
-9.7 ° C (14.6°F) |
2.4 ° C (36.3°F) |
-5.9 ° C (21.4°F) |
% 82 | 0% | 2 | Sunrise:07:26 AM Sunset: 04:52 PM |
Moonrise:07:46 PM Moonset: 09:22 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Partly Cloudy |
-9.1 ° C (15.6°F) |
3.2 ° C (37.7°F) |
-4.9 ° C (23.2°F) |
% 77 | 0% | 2 | Sunrise:07:26 AM Sunset: 04:53 PM |
Moonrise:08:57 PM Moonset: 09:50 AM Moon Phase ( Waning Gibbous ) |
|
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