Current weather conditions and 15 day weather forecast for Hartland, Wisconsin, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 05 December 2025 Friday -6.8 ° C / 19.8°F ![]() Light snow |
Feels Like : -11.6 ° C / 11.2°F Humidity : % 86 Pressure : 1008 mb Wind Speed : 10.4 kmph / 6.5 miles from SSW ![]() Visibility : 1.2 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| 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 |
-8.9 ° C (16°F) |
-1.4 ° C (29.5°F) |
-5.3 ° C (22.5°F) |
% 81 | 62% | 0.2 | Sunrise:07:31 AM Sunset: 04:30 PM |
Moonrise:04:54 PM Moonset: 08:45 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday | Cloudy |
-11.4 ° C (11.5°F) |
-8.1 ° C (17.4°F) |
-8.9 ° C (16°F) |
% 81 | 0% | 0.2 | Sunrise:07:33 AM Sunset: 04:30 PM |
Moonrise:06:08 PM Moonset: 09:50 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday | Overcast |
-24.9 ° C (-12.8°F) |
-9.5 ° C (14.9°F) |
-12.3 ° C (9.9°F) |
% 82 | 0% | 0.2 | Sunrise:07:34 AM Sunset: 04:30 PM |
Moonrise:07:28 PM Moonset: 10:38 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday | Overcast |
-25.6 ° C (-14.1°F) |
-9.2 ° C (15.5°F) |
-13.6 ° C (7.5°F) |
% 91 | 0% | 0.2 | Sunrise:07:34 AM Sunset: 04:29 PM |
Moonrise:08:48 PM Moonset: 11:14 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday | Light snow |
-12.3 ° C (9.9°F) |
-1.4 ° C (29.4°F) |
-6.4 ° C (20.5°F) |
% 96 | 83% | 0 | Sunrise:07:35 AM Sunset: 04:29 PM |
Moonrise:10:03 PM Moonset: 11:40 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday | Light freezing rain |
-9.8 ° C (14.3°F) |
-1.2 ° C (29.9°F) |
-3.7 ° C (25.3°F) |
% 95 | 61% | 1 | Sunrise:07:36 AM Sunset: 04:29 PM |
Moonrise:11:15 PM Moonset: 12:02 PM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday | Freezing fog |
-23.3 ° C (-10°F) |
-10.1 ° C (13.8°F) |
-16.4 ° C (2.6°F) |
% 96 | 0% | 1 | Sunrise:07:37 AM Sunset: 04:30 PM |
Moonrise:No moonrise Moonset: 12:20 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday | Mist |
-20.9 ° C (-5.6°F) |
-9.7 ° C (14.5°F) |
-15.9 ° C (3.4°F) |
% 96 | 0% | 1 | Sunrise:07:38 AM Sunset: 04:30 PM |
Moonrise:12:22 AM Moonset: 12:37 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Freezing fog |
-18.8 ° C (-1.8°F) |
-7.9 ° C (17.8°F) |
-12.8 ° C (9°F) |
% 93 | 0% | 1 | Sunrise:07:39 AM Sunset: 04:30 PM |
Moonrise:01:27 AM Moonset: 12:54 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Ice pellets |
-8.3 ° C (17°F) |
-3.6 ° C (25.5°F) |
-5.1 ° C (22.9°F) |
% 91 | 74% | 1 | Sunrise:07:40 AM Sunset: 04:30 PM |
Moonrise:02:31 AM Moonset: 01:11 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Light freezing rain |
-6.3 ° C (20.6°F) |
0.9 ° C (33.7°F) |
-0.8 ° C (30.5°F) |
% 96 | 85% | 1 | Sunrise:07:40 AM Sunset: 04:30 PM |
Moonrise:03:37 AM Moonset: 01:32 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Partly Cloudy |
-12 ° C (10.5°F) |
-5.9 ° C (21.4°F) |
-8.6 ° C (16.6°F) |
% 90 | 0% | 2 | Sunrise:07:41 AM Sunset: 04:30 PM |
Moonrise:04:42 AM Moonset: 01:56 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Heavy snow |
-5 ° C (22.9°F) |
-2.4 ° C (27.7°F) |
-3.3 ° C (26.1°F) |
% 96 | 64% | 1 | Sunrise:07:42 AM Sunset: 04:31 PM |
Moonrise:05:48 AM Moonset: 02:25 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Light snow |
-10 ° C (13.9°F) |
-6.5 ° C (20.3°F) |
-8 ° C (17.7°F) |
% 94 | 76% | 1 | Sunrise:07:42 AM Sunset: 04:31 PM |
Moonrise:06:51 AM Moonset: 03:03 PM Moon Phase ( Waning Crescent ) |
|