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
| 17 March 2026 Tuesday -7.8 ° C / 18°F  Light freezing rain |
Feels Like : -15.8 ° C / 3.6°F Humidity : % 56 Pressure : 1010 mb Wind Speed : 24.1 kmph / 15 miles from NNW  Visibility : 16 km Precipitation (rainfall) : 0.02 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 March 2026 Monday |  Blowing snow |
-13.1 ° C (8.4°F) |
-6 ° C (21.2°F) |
-7.2 ° C (19°F) |
% 79 | 85% | 0.6 | Sunrise:07:04 AM Sunset: 07:02 PM |
Moonrise:06:03 AM Moonset: 04:31 PM Moon Phase ( Waning Crescent ) |
|
| 17 March 2026 Tuesday | Light freezing rain |
-18 ° C (-0.4°F) |
-6.9 ° C (19.6°F) |
-11.2 ° C (11.9°F) |
% 76 | 86% | 1 | Sunrise:07:02 AM Sunset: 07:03 PM |
Moonrise:06:24 AM Moonset: 05:44 PM Moon Phase ( Waning Crescent ) |
|
| 18 March 2026 Wednesday |  Moderate or heavy snow showers |
-6.8 ° C (19.8°F) |
2.1 ° C (35.8°F) |
-2.2 ° C (28.1°F) |
% 91 | 63% | 0.8 | Sunrise:07:01 AM Sunset: 07:04 PM |
Moonrise:06:45 AM Moonset: 06:58 PM Moon Phase ( Waning Crescent ) |
|
| 19 March 2026 Thursday |  Fog |
0.6 ° C (33.1°F) |
3.7 ° C (38.7°F) |
1.8 ° C (35.2°F) |
% 100 | 0% | 0.9 | Sunrise:06:59 AM Sunset: 07:05 PM |
Moonrise:07:05 AM Moonset: 08:13 PM Moon Phase ( New Moon ) |
|
| 20 March 2026 Friday |  Patchy rain nearby |
-2.9 ° C (26.8°F) |
2 ° C (35.7°F) |
1.1 ° C (33.9°F) |
% 99 | 88% | 0.6 | Sunrise:06:57 AM Sunset: 07:07 PM |
Moonrise:07:27 AM Moonset: 09:32 PM Moon Phase ( Waxing Crescent ) |
|
| 21 March 2026 Saturday |  Overcast |
-3.8 ° C (25.2°F) |
6.7 ° C (44.1°F) |
1 ° C (33.7°F) |
% 95 | 0% | 0 | Sunrise:06:55 AM Sunset: 07:08 PM |
Moonrise:07:51 AM Moonset: 10:52 PM Moon Phase ( Waxing Crescent ) |
|
| 22 March 2026 Sunday | Blowing snow |
-2.7 ° C (27.1°F) |
3.1 ° C (37.6°F) |
2.1 ° C (35.8°F) |
% 76 | 0% | 1 | Sunrise:06:53 AM Sunset: 07:09 PM |
Moonrise:08:22 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 23 March 2026 Monday |  Partly Cloudy |
-4.7 ° C (23.5°F) |
2.5 ° C (36.6°F) |
-1.6 ° C (29.1°F) |
% 58 | 0% | 2 | Sunrise:06:51 AM Sunset: 07:10 PM |
Moonrise:09:01 AM Moonset: 12:13 AM Moon Phase ( Waxing Crescent ) |
|
| 24 March 2026 Tuesday |  Patchy moderate snow |
-0.9 ° C (30.3°F) |
1.2 ° C (34.2°F) |
0.3 ° C (32.5°F) |
% 73 | 82% | 1 | Sunrise:06:50 AM Sunset: 07:11 PM |
Moonrise:09:51 AM Moonset: 01:31 AM Moon Phase ( Waxing Crescent ) |
|
| 25 March 2026 Wednesday | Patchy rain nearby |
1.2 ° C (34.2°F) |
5.4 ° C (41.7°F) |
5.1 ° C (41.1°F) |
% 99 | 86% | 2 | Sunrise:06:48 AM Sunset: 07:13 PM |
Moonrise:10:53 AM Moonset: 02:38 AM Moon Phase ( First Quarter ) |
|
| 26 March 2026 Thursday | Patchy rain nearby |
-0.9 ° C (30.5°F) |
16.8 ° C (62.2°F) |
10.5 ° C (50.9°F) |
% 70 | 89% | 3 | Sunrise:06:46 AM Sunset: 07:14 PM |
Moonrise:12:05 PM Moonset: 03:33 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday | Overcast |
-7 ° C (19.3°F) |
2.3 ° C (36.1°F) |
-4.4 ° C (24.1°F) |
% 48 | 0% | 1 | Sunrise:06:44 AM Sunset: 07:15 PM |
Moonrise:01:21 PM Moonset: 04:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday | Partly Cloudy |
-7 ° C (19.3°F) |
2.7 ° C (36.9°F) |
-3 ° C (26.7°F) |
% 55 | 0% | 2 | Sunrise:06:42 AM Sunset: 07:16 PM |
Moonrise:02:37 PM Moonset: 04:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday | Patchy rain nearby |
-3.1 ° C (26.4°F) |
5.8 ° C (42.4°F) |
1.7 ° C (35.1°F) |
% 77 | 81% | 1 | Sunrise:06:40 AM Sunset: 07:18 PM |
Moonrise:03:51 PM Moonset: 05:13 AM Moon Phase ( Waxing Gibbous ) |
|
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