Current weather conditions and 15 day weather forecast for Sun Prairie, South Dakota, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 09 August 2026 Sunday 22.2 ° C / 72°F ![]() Sunny |
Feels Like : 23 ° C / 73.4°F Humidity : % 88 Pressure : 1009 mb Wind Speed : 15.1 kmph / 9.4 miles from ENE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 10 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 August 2026 Sunday | Sunny |
19.2 ° C (66.6°F) |
35.7 ° C (96.3°F) |
25.1 ° C (77.2°F) |
% 71 | 7% | 5.2 | Sunrise:06:27 AM Sunset: 08:43 PM |
Moonrise:01:54 AM Moonset: 06:39 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
20.6 ° C (69°F) |
35.9 ° C (96.6°F) |
27.4 ° C (81.4°F) |
% 60 | 57% | 5.4 | Sunrise:06:28 AM Sunset: 08:41 PM |
Moonrise:03:05 AM Moonset: 07:29 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
18.1 ° C (64.5°F) |
31.7 ° C (89.1°F) |
24.3 ° C (75.7°F) |
% 69 | 57% | 5.3 | Sunrise:06:29 AM Sunset: 08:40 PM |
Moonrise:04:27 AM Moonset: 08:09 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
17.8 ° C (64°F) |
32.8 ° C (91.1°F) |
24.7 ° C (76.4°F) |
% 60 | 57% | 6.2 | Sunrise:06:30 AM Sunset: 08:38 PM |
Moonrise:05:53 AM Moonset: 08:39 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
14.7 ° C (58.5°F) |
25.6 ° C (78.1°F) |
19.8 ° C (67.6°F) |
% 62 | 62% | 7 | Sunrise:06:32 AM Sunset: 08:37 PM |
Moonrise:07:17 AM Moonset: 09:05 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
14 ° C (57.1°F) |
26.2 ° C (79.2°F) |
18.6 ° C (65.5°F) |
% 48 | 57% | 7 | Sunrise:06:33 AM Sunset: 08:35 PM |
Moonrise:08:39 AM Moonset: 09:27 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
12.8 ° C (55°F) |
26.1 ° C (79°F) |
18.7 ° C (65.6°F) |
% 66 | 57% | 7 | Sunrise:06:34 AM Sunset: 08:34 PM |
Moonrise:09:58 AM Moonset: 09:49 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Patchy rain nearby |
15.6 ° C (60.1°F) |
22.4 ° C (72.4°F) |
19.2 ° C (66.5°F) |
% 67 | 46% | 6 | Sunrise:06:35 AM Sunset: 08:32 PM |
Moonrise:11:14 AM Moonset: 10:11 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
14.5 ° C (58.1°F) |
25.1 ° C (77.2°F) |
20.1 ° C (68.2°F) |
% 75 | 26% | 7 | Sunrise:06:36 AM Sunset: 08:31 PM |
Moonrise:12:29 PM Moonset: 10:35 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
11.8 ° C (53.3°F) |
27.6 ° C (81.7°F) |
19.2 ° C (66.5°F) |
% 63 | 4% | 7 | Sunrise:06:37 AM Sunset: 08:29 PM |
Moonrise:01:43 PM Moonset: 11:03 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
14.9 ° C (58.8°F) |
33.7 ° C (92.7°F) |
23.9 ° C (75.1°F) |
% 58 | 4% | 8 | Sunrise:06:38 AM Sunset: 08:28 PM |
Moonrise:02:54 PM Moonset: 11:37 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
19.5 ° C (67.1°F) |
34.4 ° C (93.9°F) |
24.5 ° C (76.1°F) |
% 63 | 62% | 8 | Sunrise:06:39 AM Sunset: 08:26 PM |
Moonrise:04:00 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Partly Cloudy |
14.9 ° C (58.8°F) |
25.6 ° C (78°F) |
19.8 ° C (67.6°F) |
% 56 | 17% | 7 | Sunrise:06:41 AM Sunset: 08:24 PM |
Moonrise:04:59 PM Moonset: 12:18 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Partly Cloudy |
13.4 ° C (56.2°F) |
22.5 ° C (72.4°F) |
18 ° C (64.5°F) |
% 48 | 5% | 6 | Sunrise:06:42 AM Sunset: 08:23 PM |
Moonrise:05:49 PM Moonset: 01:08 AM Moon Phase ( Waxing Gibbous ) |
|