St. Peter Weather Forecast 15 Days, Weather in St. Peter Today
Current weather conditions and 15 day weather forecast for St. Peter, 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 St. Peter
| 16 December 2025 Tuesday -11.1 ° C / 12°F  Clear |
Feels Like : -18.3 ° C / -1°F Humidity : % 84 Pressure : 1013 mb Wind Speed : 15.8 kmph / 9.8 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for St. Peter, WI, USA
Weather Forecast for next 15 Days for St. Peter 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 St. Peter, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 16 December 2025 Tuesday | Sunny |
-13.9 ° C (7°F) |
4.5 ° C (40.1°F) |
-5.2 ° C (22.7°F) |
% 79 | 0% | 0.3 | Sunrise:07:22 AM Sunset: 04:17 PM |
Moonrise:04:22 AM Moonset: 01:42 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Overcast |
-5.5 ° C (22.1°F) |
-1.5 ° C (29.3°F) |
-2.1 ° C (28.3°F) |
% 96 | 0% | 0.3 | Sunrise:07:23 AM Sunset: 04:18 PM |
Moonrise:05:28 AM Moonset: 02:12 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Patchy moderate snow |
-8.8 ° C (16.2°F) |
1.3 ° C (34.3°F) |
-1.2 ° C (29.8°F) |
% 97 | 80% | 0.1 | Sunrise:07:23 AM Sunset: 04:18 PM |
Moonrise:06:31 AM Moonset: 02:51 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Patchy moderate snow |
-16.5 ° C (2.2°F) |
-11.3 ° C (11.6°F) |
-12.2 ° C (10.1°F) |
% 87 | 63% | 0.3 | Sunrise:07:24 AM Sunset: 04:18 PM |
Moonrise:07:30 AM Moonset: 03:38 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Patchy moderate snow |
-7.7 ° C (18.2°F) |
0.5 ° C (33°F) |
-4 ° C (24.7°F) |
% 84 | 88% | 0 | Sunrise:07:25 AM Sunset: 04:19 PM |
Moonrise:08:21 AM Moonset: 04:34 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
-11.9 ° C (10.5°F) |
-3.1 ° C (26.4°F) |
-8 ° C (17.7°F) |
% 88 | 0% | 2 | Sunrise:07:25 AM Sunset: 04:19 PM |
Moonrise:09:04 AM Moonset: 05:38 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Light freezing rain |
-16.7 ° C (1.9°F) |
-1.1 ° C (30°F) |
-7.3 ° C (18.9°F) |
% 87 | 78% | 1 | Sunrise:07:26 AM Sunset: 04:20 PM |
Moonrise:09:39 AM Moonset: 06:45 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Cloudy |
-2.9 ° C (26.7°F) |
1.8 ° C (35.3°F) |
0.6 ° C (33°F) |
% 89 | 0% | 1 | Sunrise:07:26 AM Sunset: 04:21 PM |
Moonrise:10:07 AM Moonset: 07:55 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Partly Cloudy |
-7.7 ° C (18.2°F) |
-1 ° C (30.2°F) |
-3.4 ° C (25.9°F) |
% 84 | 0% | 2 | Sunrise:07:26 AM Sunset: 04:21 PM |
Moonrise:10:30 AM Moonset: 09:04 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Patchy rain nearby |
-1 ° C (30.1°F) |
3.3 ° C (37.9°F) |
2.5 ° C (36.4°F) |
% 96 | 89% | 1 | Sunrise:07:27 AM Sunset: 04:22 PM |
Moonrise:10:51 AM Moonset: 10:14 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
-0.1 ° C (31.9°F) |
2.8 ° C (37°F) |
3.1 ° C (37.6°F) |
% 94 | 0% | 1 | Sunrise:07:27 AM Sunset: 04:22 PM |
Moonrise:11:10 AM Moonset: 11:25 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Light freezing rain |
-0.7 ° C (30.7°F) |
1 ° C (33.8°F) |
0.2 ° C (32.3°F) |
% 85 | 66% | 1 | Sunrise:07:27 AM Sunset: 04:23 PM |
Moonrise:11:30 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Cloudy |
-2.4 ° C (27.7°F) |
3.4 ° C (38.1°F) |
0.2 ° C (32.4°F) |
% 83 | 0% | 1 | Sunrise:07:28 AM Sunset: 04:24 PM |
Moonrise:11:51 AM Moonset: 12:37 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Partly Cloudy |
0.1 ° C (32.1°F) |
4.8 ° C (40.7°F) |
2.5 ° C (36.5°F) |
% 67 | 0% | 2 | Sunrise:07:28 AM Sunset: 04:25 PM |
Moonrise:12:15 PM Moonset: 01:54 AM Moon Phase ( Waxing Gibbous ) |
|
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