Gillette Weather Forecast 15 Days, Weather in Gillette Today
Current weather conditions and 15 day weather forecast for Gillette, 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 Gillette
| 26 December 2025 Friday 10.8 ° C / 51.4°F  Sunny |
Feels Like : 7.5 ° C / 45.6°F Humidity : % 40 Pressure : 1008 mb Wind Speed : 32 kmph / 19.9 miles from SW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Gillette, WY, USA
Weather Forecast for next 15 Days for Gillette 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 Gillette, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 26 December 2025 Friday | Sunny |
3.9 ° C (39°F) |
14.9 ° C (58.8°F) |
8.2 ° C (46.7°F) |
% 45 | 0% | 0.2 | Sunrise:07:37 AM Sunset: 04:29 PM |
Moonrise:11:20 AM Moonset: 11:36 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-6.6 ° C (20.2°F) |
6.5 ° C (43.7°F) |
0.3 ° C (32.5°F) |
% 60 | 0% | 0.2 | Sunrise:07:38 AM Sunset: 04:29 PM |
Moonrise:11:39 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-12 ° C (10.4°F) |
-5.8 ° C (21.6°F) |
-9 ° C (15.8°F) |
% 56 | 0% | 0.2 | Sunrise:07:38 AM Sunset: 04:30 PM |
Moonrise:11:59 AM Moonset: 12:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-7.3 ° C (18.8°F) |
4.3 ° C (39.7°F) |
-2.2 ° C (28.1°F) |
% 39 | 0% | 0.2 | Sunrise:07:38 AM Sunset: 04:31 PM |
Moonrise:12:23 PM Moonset: 02:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Partly Cloudy |
-1.1 ° C (30°F) |
4.6 ° C (40.2°F) |
1.2 ° C (34.1°F) |
% 46 | 0% | 0 | Sunrise:07:38 AM Sunset: 04:32 PM |
Moonrise:12:53 PM Moonset: 03:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
2.9 ° C (37.1°F) |
12.8 ° C (55°F) |
6.7 ° C (44°F) |
% 45 | 0% | 3 | Sunrise:07:38 AM Sunset: 04:33 PM |
Moonrise:01:34 PM Moonset: 04:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
-0.6 ° C (31°F) |
6.9 ° C (44.4°F) |
3.4 ° C (38.2°F) |
% 57 | 0% | 2 | Sunrise:07:38 AM Sunset: 04:33 PM |
Moonrise:02:27 PM Moonset: 06:11 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Overcast |
-0.8 ° C (30.5°F) |
7 ° C (44.6°F) |
2.1 ° C (35.7°F) |
% 62 | 0% | 1 | Sunrise:07:38 AM Sunset: 04:34 PM |
Moonrise:03:35 PM Moonset: 07:22 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Partly Cloudy |
2.3 ° C (36.2°F) |
12 ° C (53.5°F) |
5.7 ° C (42.3°F) |
% 45 | 0% | 3 | Sunrise:07:38 AM Sunset: 04:35 PM |
Moonrise:04:53 PM Moonset: 08:18 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Sunny |
-3.4 ° C (25.8°F) |
5.4 ° C (41.8°F) |
1.7 ° C (35.1°F) |
% 64 | 0% | 2 | Sunrise:07:38 AM Sunset: 04:36 PM |
Moonrise:06:15 PM Moonset: 09:00 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday |  Moderate snow |
-7.2 ° C (19.1°F) |
2.6 ° C (36.6°F) |
-2.9 ° C (26.8°F) |
% 78 | 85% | 1 | Sunrise:07:38 AM Sunset: 04:37 PM |
Moonrise:07:35 PM Moonset: 09:31 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Sunny |
-5.4 ° C (22.3°F) |
4 ° C (39.1°F) |
-1.3 ° C (29.7°F) |
% 59 | 0% | 2 | Sunrise:07:38 AM Sunset: 04:38 PM |
Moonrise:08:50 PM Moonset: 09:55 AM Moon Phase ( Waning Gibbous ) |
|
| 07 January 2026 Wednesday | Sunny |
-0.5 ° C (31.1°F) |
8.6 ° C (47.5°F) |
4.3 ° C (39.7°F) |
% 48 | 0% | 2 | Sunrise:07:38 AM Sunset: 04:40 PM |
Moonrise:10:01 PM Moonset: 10:15 AM Moon Phase ( Waning Gibbous ) |
|
| 08 January 2026 Thursday | Partly Cloudy |
3.3 ° C (37.9°F) |
8.3 ° C (46.9°F) |
5.8 ° C (42.4°F) |
% 60 | 0% | 3 | Sunrise:07:38 AM Sunset: 04:41 PM |
Moonrise:11:08 PM Moonset: 10:33 AM Moon Phase ( Waning Gibbous ) |
|
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