Mercer Weather Forecast 15 Days, Weather in Mercer Today
Current weather conditions and 15 day weather forecast for Mercer, 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 Mercer
| 23 December 2025 Tuesday -0.3 ° C / 31.5°F  Partly cloudy |
Feels Like : -3.1 ° C / 26.5°F Humidity : % 81 Pressure : 1014 mb Wind Speed : 7.9 kmph / 4.9 miles from ESE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15 day weather forecast for Mercer, WI, USA
Weather Forecast for next 15 Days for Mercer 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 Mercer, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday | Partly Cloudy |
-9.3 ° C (15.3°F) |
1.3 ° C (34.3°F) |
-4.3 ° C (24.2°F) |
% 79 | 0% | 0.1 | Sunrise:07:41 AM Sunset: 04:19 PM |
Moonrise:09:55 AM Moonset: 06:44 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Overcast |
-4 ° C (24.8°F) |
-1.8 ° C (28.8°F) |
-3.3 ° C (26°F) |
% 94 | 0% | 0.2 | Sunrise:07:42 AM Sunset: 04:19 PM |
Moonrise:10:21 AM Moonset: 07:56 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Overcast |
-4.1 ° C (24.6°F) |
-1.3 ° C (29.7°F) |
-2.5 ° C (27.6°F) |
% 88 | 0% | 0.1 | Sunrise:07:42 AM Sunset: 04:20 PM |
Moonrise:10:42 AM Moonset: 09:08 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Patchy moderate snow |
-1.4 ° C (29.5°F) |
1 ° C (33.8°F) |
-0 ° C (32°F) |
% 97 | 62% | 0.1 | Sunrise:07:42 AM Sunset: 04:20 PM |
Moonrise:11:01 AM Moonset: 10:19 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Light snow |
-10.7 ° C (12.7°F) |
-6.4 ° C (20.5°F) |
-6.8 ° C (19.8°F) |
% 87 | 71% | 0 | Sunrise:07:43 AM Sunset: 04:21 PM |
Moonrise:11:18 AM Moonset: 11:32 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Overcast |
-9.1 ° C (15.7°F) |
-1.7 ° C (28.9°F) |
-5.6 ° C (21.9°F) |
% 90 | 0% | 1 | Sunrise:07:43 AM Sunset: 04:22 PM |
Moonrise:11:36 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Partly Cloudy |
-9.1 ° C (15.7°F) |
-2.3 ° C (27.9°F) |
-6.3 ° C (20.7°F) |
% 91 | 0% | 2 | Sunrise:07:43 AM Sunset: 04:23 PM |
Moonrise:11:54 AM Moonset: 12:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Moderate or heavy snow showers |
-8.1 ° C (17.4°F) |
-1.7 ° C (29°F) |
-3.8 ° C (25.2°F) |
% 91 | 89% | 1 | Sunrise:07:43 AM Sunset: 04:23 PM |
Moonrise:12:16 PM Moonset: 02:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Heavy snow |
-6.1 ° C (21.1°F) |
-0.2 ° C (31.7°F) |
-1.8 ° C (28.8°F) |
% 97 | 69% | 1 | Sunrise:07:43 AM Sunset: 04:24 PM |
Moonrise:12:45 PM Moonset: 03:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Freezing fog |
-5.3 ° C (22.5°F) |
-0.2 ° C (31.6°F) |
-2.5 ° C (27.5°F) |
% 97 | 0% | 1 | Sunrise:07:43 AM Sunset: 04:25 PM |
Moonrise:01:23 PM Moonset: 04:54 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Partly Cloudy |
-2.2 ° C (28.1°F) |
1.4 ° C (34.5°F) |
-0.6 ° C (31°F) |
% 91 | 0% | 2 | Sunrise:07:44 AM Sunset: 04:26 PM |
Moonrise:02:14 PM Moonset: 06:16 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Light rain |
0.8 ° C (33.4°F) |
1 ° C (33.8°F) |
0.9 ° C (33.7°F) |
% 98 | 81% | 1 | Sunrise:07:44 AM Sunset: 04:27 PM |
Moonrise:03:21 PM Moonset: 07:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Light rain |
-9.5 ° C (14.8°F) |
4.7 ° C (40.4°F) |
-0.6 ° C (31°F) |
% 94 | 83% | 1 | Sunrise:07:43 AM Sunset: 04:28 PM |
Moonrise:04:40 PM Moonset: 08:23 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday |  Light snow showers |
-13.5 ° C (7.7°F) |
-11 ° C (12.2°F) |
-11.5 ° C (11.4°F) |
% 85 | 81% | 1 | Sunrise:07:43 AM Sunset: 04:29 PM |
Moonrise:06:04 PM Moonset: 09:04 AM Moon Phase ( Waning Gibbous ) |
|
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