Current weather conditions and 15 day weather forecast for Sun Prairie, 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.
| 23 September 2026 Wednesday 9.8 ° C / 49.7°F ![]() Clear |
Feels Like : 7.8 ° C / 46°F Humidity : % 88 Pressure : 1029 mb Wind Speed : 13 kmph / 8.1 miles from NE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 5 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 September 2026 Tuesday | Cloudy |
8.3 ° C (46.9°F) |
14.9 ° C (58.8°F) |
11.4 ° C (52.5°F) |
% 74 | 24% | 4.2 | Sunrise:06:44 AM Sunset: 06:54 PM |
Moonrise:05:19 PM Moonset: 02:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Sunny |
8.9 ° C (47.9°F) |
17.2 ° C (63°F) |
12.4 ° C (54.3°F) |
% 82 | 13% | 5.2 | Sunrise:06:45 AM Sunset: 06:53 PM |
Moonrise:05:40 PM Moonset: 03:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Overcast |
10.8 ° C (51.4°F) |
18.5 ° C (65.4°F) |
14.5 ° C (58°F) |
% 82 | 21% | 4.5 | Sunrise:06:46 AM Sunset: 06:51 PM |
Moonrise:05:59 PM Moonset: 04:42 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Overcast |
13.1 ° C (55.5°F) |
19 ° C (66.2°F) |
15.8 ° C (60.5°F) |
% 78 | 27% | 5.3 | Sunrise:06:47 AM Sunset: 06:49 PM |
Moonrise:06:17 PM Moonset: 05:45 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
11.1 ° C (52.1°F) |
19.2 ° C (66.6°F) |
14.8 ° C (58.6°F) |
% 67 | 15% | 4.6 | Sunrise:06:48 AM Sunset: 06:47 PM |
Moonrise:06:35 PM Moonset: 06:49 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
10.9 ° C (51.5°F) |
19.2 ° C (66.5°F) |
14.8 ° C (58.6°F) |
% 59 | 8% | 5 | Sunrise:06:49 AM Sunset: 06:45 PM |
Moonrise:06:55 PM Moonset: 07:55 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Sunny |
11.8 ° C (53.2°F) |
20.1 ° C (68.2°F) |
15.3 ° C (59.5°F) |
% 71 | 9% | 6 | Sunrise:06:50 AM Sunset: 06:44 PM |
Moonrise:07:18 PM Moonset: 09:03 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
11.2 ° C (52.2°F) |
19.3 ° C (66.8°F) |
15.7 ° C (60.3°F) |
% 69 | 16% | 4 | Sunrise:06:52 AM Sunset: 06:42 PM |
Moonrise:07:46 PM Moonset: 10:14 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Light rain shower |
7.3 ° C (45.1°F) |
18.9 ° C (66°F) |
14.8 ° C (58.7°F) |
% 88 | 90% | 4 | Sunrise:06:53 AM Sunset: 06:40 PM |
Moonrise:08:22 PM Moonset: 11:26 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Overcast |
5.5 ° C (41.9°F) |
8.6 ° C (47.5°F) |
6.9 ° C (44.4°F) |
% 83 | 89% | 2 | Sunrise:06:54 AM Sunset: 06:38 PM |
Moonrise:09:08 PM Moonset: 12:37 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Overcast |
7 ° C (44.5°F) |
14.9 ° C (58.7°F) |
10.2 ° C (50.3°F) |
% 74 | 16% | 4 | Sunrise:06:55 AM Sunset: 06:36 PM |
Moonrise:10:05 PM Moonset: 01:42 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Sunny |
7.8 ° C (46°F) |
15 ° C (58.9°F) |
10.7 ° C (51.2°F) |
% 69 | 10% | 4 | Sunrise:06:56 AM Sunset: 06:35 PM |
Moonrise:11:14 PM Moonset: 02:38 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Sunny |
4.4 ° C (39.9°F) |
10.6 ° C (51.1°F) |
7.5 ° C (45.4°F) |
% 64 | 5% | 4 | Sunrise:06:57 AM Sunset: 06:33 PM |
Moonrise:Does not rise today Moonset: 03:24 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Sunny |
2 ° C (35.6°F) |
10.2 ° C (50.4°F) |
6.1 ° C (43.1°F) |
% 71 | 7% | 4 | Sunrise:06:58 AM Sunset: 06:31 PM |
Moonrise:12:31 AM Moonset: 04:00 PM Moon Phase ( Waning Crescent ) |
|