Thermopolis Weather Forecast 15 Days, Weather in Thermopolis Today
Current weather conditions and 15 day weather forecast for Thermopolis, 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 Thermopolis
| 05 December 2025 Friday -4.4 ° C / 24.1°F  Partly cloudy |
Feels Like : -5.7 ° C / 21.7°F Humidity : % 81 Pressure : 1013 mb Wind Speed : 3.6 kmph / 2.2 miles from NE  Visibility : 16 km Precipitation (rainfall) : 0.18 mm Cloud (%) : 75 |
15 day weather forecast for Thermopolis, WY, USA
Weather Forecast for next 15 Days for Thermopolis 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 Thermopolis, 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 |  Patchy moderate snow |
-2.5 ° C (27.5°F) |
4.8 ° C (40.6°F) |
0.1 ° C (32.1°F) |
% 71 | 60% | 0.3 | Sunrise:07:31 AM Sunset: 04:36 PM |
Moonrise:05:05 PM Moonset: 08:47 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday | Partly Cloudy |
-3.7 ° C (25.3°F) |
4.6 ° C (40.3°F) |
-0.3 ° C (31.5°F) |
% 75 | 0% | 0.2 | Sunrise:07:32 AM Sunset: 04:36 PM |
Moonrise:06:18 PM Moonset: 09:51 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday |  Cloudy |
-4.3 ° C (24.3°F) |
3.2 ° C (37.8°F) |
-1.1 ° C (29.9°F) |
% 68 | 0% | 0.3 | Sunrise:07:33 AM Sunset: 04:36 PM |
Moonrise:07:38 PM Moonset: 10:39 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday | Partly Cloudy |
-2.4 ° C (27.7°F) |
7.3 ° C (45.1°F) |
0.8 ° C (33.4°F) |
% 59 | 0% | 0.3 | Sunrise:07:34 AM Sunset: 04:36 PM |
Moonrise:08:57 PM Moonset: 11:15 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday |  Patchy rain nearby |
-1.6 ° C (29.1°F) |
9.5 ° C (49.2°F) |
1.7 ° C (35°F) |
% 60 | 58% | 0 | Sunrise:07:35 AM Sunset: 04:36 PM |
Moonrise:10:11 PM Moonset: 11:42 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday |  Heavy snow |
-5.8 ° C (21.5°F) |
2 ° C (35.6°F) |
-0.3 ° C (31.5°F) |
% 89 | 54% | 1 | Sunrise:07:36 AM Sunset: 04:36 PM |
Moonrise:11:22 PM Moonset: 12:04 PM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday |  Sunny |
-10.3 ° C (13.5°F) |
-2.4 ° C (27.8°F) |
-7.6 ° C (18.4°F) |
% 68 | 0% | 2 | Sunrise:07:37 AM Sunset: 04:36 PM |
Moonrise:No moonrise Moonset: 12:23 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday |  Light freezing rain |
-8.3 ° C (17°F) |
-3.4 ° C (25.9°F) |
-6.2 ° C (20.8°F) |
% 86 | 67% | 1 | Sunrise:07:38 AM Sunset: 04:36 PM |
Moonrise:12:28 AM Moonset: 12:41 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Partly Cloudy |
-9 ° C (15.7°F) |
4.1 ° C (39.3°F) |
-3.6 ° C (25.5°F) |
% 86 | 0% | 2 | Sunrise:07:38 AM Sunset: 04:36 PM |
Moonrise:01:32 AM Moonset: 12:58 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Light freezing rain |
-7.8 ° C (17.9°F) |
0.9 ° C (33.6°F) |
-2.8 ° C (26.9°F) |
% 81 | 87% | 1 | Sunrise:07:39 AM Sunset: 04:36 PM |
Moonrise:02:36 AM Moonset: 01:17 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Partly Cloudy |
-14.2 ° C (6.5°F) |
-3.7 ° C (25.3°F) |
-9.9 ° C (14.3°F) |
% 81 | 0% | 2 | Sunrise:07:40 AM Sunset: 04:36 PM |
Moonrise:03:40 AM Moonset: 01:38 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Patchy moderate snow |
-14.1 ° C (6.5°F) |
-0.5 ° C (31.2°F) |
-6.9 ° C (19.6°F) |
% 83 | 86% | 1 | Sunrise:07:41 AM Sunset: 04:37 PM |
Moonrise:04:45 AM Moonset: 02:03 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Light snow |
-22 ° C (-7.7°F) |
-16.9 ° C (1.6°F) |
-18.2 ° C (-0.8°F) |
% 94 | 86% | 1 | Sunrise:07:41 AM Sunset: 04:37 PM |
Moonrise:05:50 AM Moonset: 02:34 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Cloudy |
-22.7 ° C (-8.9°F) |
-6.5 ° C (20.3°F) |
-16.5 ° C (2.3°F) |
% 87 | 0% | 1 | Sunrise:07:42 AM Sunset: 04:37 PM |
Moonrise:06:53 AM Moonset: 03:13 PM Moon Phase ( Waning Crescent ) |
|
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