Waukesha Weather Forecast 15 Days, Weather in Waukesha Today
Current weather conditions and 15 day weather forecast for Waukesha, 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.
Current weather conditions at Waukesha
| 26 December 2025 Friday 2.2 ° C / 36°F  Light rain |
Feels Like : -2.8 ° C / 27°F Humidity : % 100 Pressure : 1006 mb Wind Speed : 22.3 kmph / 13.9 miles from ESE  Visibility : 4 km Precipitation (rainfall) : 0.39 mm Cloud (%) : 100 |
15 day weather forecast for Waukesha, WI, USA
Weather Forecast for next 15 Days for Waukesha 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 Waukesha, Wisconsin 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 |  Patchy rain nearby |
0.3 ° C (32.5°F) |
6.2 ° C (43.2°F) |
3.3 ° C (38°F) |
% 93 | 89% | 0.1 | Sunrise:07:24 AM Sunset: 04:24 PM |
Moonrise:11:09 AM Moonset: 11:24 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Fog |
-0.3 ° C (31.5°F) |
1.6 ° C (34.9°F) |
0.7 ° C (33.2°F) |
% 98 | 0% | 0.2 | Sunrise:07:24 AM Sunset: 04:25 PM |
Moonrise:11:29 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Patchy rain nearby |
-0.3 ° C (31.4°F) |
4 ° C (39.2°F) |
2.3 ° C (36.1°F) |
% 98 | 75% | 0.1 | Sunrise:07:24 AM Sunset: 04:25 PM |
Moonrise:11:51 AM Moonset: 12:35 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Light freezing rain |
-10.7 ° C (12.7°F) |
-7.6 ° C (18.4°F) |
-8.3 ° C (17.1°F) |
% 70 | 62% | 0.2 | Sunrise:07:24 AM Sunset: 04:26 PM |
Moonrise:12:16 PM Moonset: 01:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Partly Cloudy |
-10.7 ° C (12.7°F) |
-4.9 ° C (23.1°F) |
-8.7 ° C (16.3°F) |
% 73 | 0% | 0 | Sunrise:07:24 AM Sunset: 04:27 PM |
Moonrise:12:47 PM Moonset: 03:11 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Partly Cloudy |
-5.9 ° C (21.4°F) |
0.2 ° C (32.3°F) |
-2.9 ° C (26.8°F) |
% 83 | 0% | 2 | Sunrise:07:25 AM Sunset: 04:28 PM |
Moonrise:01:28 PM Moonset: 04:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Overcast |
-6.7 ° C (19.9°F) |
-1.1 ° C (30°F) |
-2.4 ° C (27.7°F) |
% 80 | 0% | 1 | Sunrise:07:25 AM Sunset: 04:29 PM |
Moonrise:02:21 PM Moonset: 05:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Sunny |
-12.1 ° C (10.2°F) |
-8.3 ° C (17.1°F) |
-10 ° C (14°F) |
% 51 | 0% | 2 | Sunrise:07:25 AM Sunset: 04:30 PM |
Moonrise:03:29 PM Moonset: 07:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Partly Cloudy |
-10.7 ° C (12.7°F) |
-3.8 ° C (25.2°F) |
-7.1 ° C (19.2°F) |
% 49 | 0% | 2 | Sunrise:07:25 AM Sunset: 04:31 PM |
Moonrise:04:46 PM Moonset: 08:00 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday |  Heavy snow |
-3.5 ° C (25.6°F) |
-0.7 ° C (30.8°F) |
-2.2 ° C (28°F) |
% 85 | 82% | 1 | Sunrise:07:25 AM Sunset: 04:32 PM |
Moonrise:06:06 PM Moonset: 08:44 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday |  Cloudy |
-9 ° C (15.7°F) |
-6.1 ° C (21.1°F) |
-7.3 ° C (18.9°F) |
% 77 | 0% | 1 | Sunrise:07:25 AM Sunset: 04:33 PM |
Moonrise:07:25 PM Moonset: 09:17 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday |  Moderate snow |
-9.3 ° C (15.2°F) |
-6.5 ° C (20.3°F) |
-7.9 ° C (17.8°F) |
% 84 | 89% | 1 | Sunrise:07:25 AM Sunset: 04:34 PM |
Moonrise:08:39 PM Moonset: 09:43 AM Moon Phase ( Waning Gibbous ) |
|
| 07 January 2026 Wednesday | Light freezing rain |
-10.8 ° C (12.5°F) |
-3.6 ° C (25.5°F) |
-8 ° C (17.6°F) |
% 86 | 0% | 1 | Sunrise:07:24 AM Sunset: 04:35 PM |
Moonrise:09:49 PM Moonset: 10:04 AM Moon Phase ( Waning Gibbous ) |
|
| 08 January 2026 Thursday | Heavy snow |
-7.4 ° C (18.6°F) |
-3.5 ° C (25.6°F) |
-5.2 ° C (22.7°F) |
% 91 | 64% | 1 | Sunrise:07:24 AM Sunset: 04:36 PM |
Moonrise:10:55 PM Moonset: 10:23 AM Moon Phase ( Waning Gibbous ) |
|
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