Mammoth Weather Forecast 15 Days, Weather in Mammoth Today
Current weather conditions and 15 day weather forecast for Mammoth, Wyoming, 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 Mammoth
| 05 December 2025 Friday -6.1 ° C / 21°F  Overcast |
Feels Like : -8.7 ° C / 16.3°F Humidity : % 84 Pressure : 1013 mb Wind Speed : 5.4 kmph / 3.4 miles from SSW  Visibility : 2 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Mammoth, WY, USA
Weather Forecast for next 15 Days for Mammoth 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 Mammoth, Wyoming 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 |
-10.8 ° C (12.6°F) |
0.3 ° C (32.5°F) |
-4 ° C (24.9°F) |
% 88 | 72% | 0.3 | Sunrise:07:46 AM Sunset: 04:41 PM |
Moonrise:05:08 PM Moonset: 09:05 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday | Moderate or heavy snow showers |
-3.4 ° C (25.9°F) |
0.1 ° C (32.2°F) |
-1.5 ° C (29.3°F) |
% 88 | 75% | 0.2 | Sunrise:07:47 AM Sunset: 04:41 PM |
Moonrise:06:22 PM Moonset: 10:08 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday | Moderate or heavy snow showers |
-7.6 ° C (18.3°F) |
-1.2 ° C (29.8°F) |
-4.3 ° C (24.3°F) |
% 85 | 80% | 0.3 | Sunrise:07:48 AM Sunset: 04:41 PM |
Moonrise:07:44 PM Moonset: 10:55 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday |  Mist |
-16.3 ° C (2.6°F) |
-0.2 ° C (31.6°F) |
-7.1 ° C (19.3°F) |
% 92 | 80% | 0.2 | Sunrise:07:49 AM Sunset: 04:41 PM |
Moonrise:09:03 PM Moonset: 11:30 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday |  Heavy snow |
-4.1 ° C (24.6°F) |
2.8 ° C (37.1°F) |
-1.6 ° C (29.2°F) |
% 91 | 60% | 0 | Sunrise:07:50 AM Sunset: 04:41 PM |
Moonrise:10:19 PM Moonset: 11:55 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday | Moderate or heavy snow showers |
-13.6 ° C (7.4°F) |
-0.2 ° C (31.7°F) |
-3.5 ° C (25.7°F) |
% 88 | 75% | 1 | Sunrise:07:51 AM Sunset: 04:41 PM |
Moonrise:11:31 PM Moonset: 12:16 PM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday |  Freezing fog |
-27.1 ° C (-16.7°F) |
-5.6 ° C (21.8°F) |
-19.8 ° C (-3.7°F) |
% 94 | 0% | 1 | Sunrise:07:52 AM Sunset: 04:41 PM |
Moonrise:No moonrise Moonset: 12:34 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Heavy snow |
-20.5 ° C (-4.8°F) |
-1.9 ° C (28.6°F) |
-8.8 ° C (16.1°F) |
% 96 | 64% | 1 | Sunrise:07:52 AM Sunset: 04:41 PM |
Moonrise:12:38 AM Moonset: 12:50 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday |  Light freezing rain |
-3.9 ° C (25°F) |
2.9 ° C (37.2°F) |
-0.9 ° C (30.4°F) |
% 83 | 63% | 1 | Sunrise:07:53 AM Sunset: 04:41 PM |
Moonrise:01:44 AM Moonset: 01:07 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday |  Patchy heavy snow |
-10.9 ° C (12.4°F) |
-1.1 ° C (30°F) |
-3.9 ° C (25°F) |
% 92 | 60% | 1 | Sunrise:07:54 AM Sunset: 04:41 PM |
Moonrise:02:48 AM Moonset: 01:25 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday |  Light snow showers |
-22.4 ° C (-8.3°F) |
-5.4 ° C (22.3°F) |
-14.1 ° C (6.5°F) |
% 92 | 63% | 1 | Sunrise:07:55 AM Sunset: 04:42 PM |
Moonrise:03:54 AM Moonset: 01:44 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Heavy snow |
-26.7 ° C (-16.1°F) |
-3.3 ° C (26°F) |
-17.1 ° C (1.1°F) |
% 96 | 60% | 1 | Sunrise:07:55 AM Sunset: 04:42 PM |
Moonrise:05:00 AM Moonset: 02:08 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Light snow |
-27.4 ° C (-17.4°F) |
-8.7 ° C (16.4°F) |
-19.9 ° C (-3.9°F) |
% 97 | 71% | 1 | Sunrise:07:56 AM Sunset: 04:42 PM |
Moonrise:06:06 AM Moonset: 02:38 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Patchy light snow |
-25.5 ° C (-13.9°F) |
-8.5 ° C (16.8°F) |
-16.4 ° C (2.4°F) |
% 92 | 81% | 1 | Sunrise:07:57 AM Sunset: 04:43 PM |
Moonrise:07:10 AM Moonset: 03:16 PM Moon Phase ( Waning Crescent ) |
|
Add a link to your web page; copy and paste this html to your web page