Current weather conditions and 15 day weather forecast for St. Onge, 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.
| 23 September 2026 Wednesday 22.3 ° C / 72.2°F ![]() Overcast |
Feels Like : 20.7 ° C / 69.3°F Humidity : % 45 Pressure : 1013 mb Wind Speed : 8.3 kmph / 5.1 miles from SW ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 23 September 2026 Wednesday | Overcast |
13.1 ° C (55.6°F) |
25.4 ° C (77.8°F) |
18.9 ° C (66°F) |
% 60 | 24% | 5.2 | Sunrise:06:43 AM Sunset: 06:51 PM |
Moonrise:05:41 PM Moonset: 03:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Overcast |
14.3 ° C (57.7°F) |
24.5 ° C (76°F) |
18.6 ° C (65.5°F) |
% 46 | 5% | 5.2 | Sunrise:06:44 AM Sunset: 06:49 PM |
Moonrise:05:58 PM Moonset: 04:41 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Overcast |
14.1 ° C (57.3°F) |
26.3 ° C (79.4°F) |
19.4 ° C (66.9°F) |
% 46 | 5% | 5.4 | Sunrise:06:45 AM Sunset: 06:47 PM |
Moonrise:06:15 PM Moonset: 05:45 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Sunny |
12.6 ° C (54.8°F) |
23.1 ° C (73.6°F) |
17.6 ° C (63.7°F) |
% 48 | 2% | 5.2 | Sunrise:06:46 AM Sunset: 06:45 PM |
Moonrise:06:33 PM Moonset: 06:51 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
9.9 ° C (49.8°F) |
29 ° C (84.2°F) |
18.8 ° C (65.8°F) |
% 42 | 5% | 7 | Sunrise:06:48 AM Sunset: 06:43 PM |
Moonrise:06:52 PM Moonset: 07:58 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
9.8 ° C (49.6°F) |
23.4 ° C (74.1°F) |
19.2 ° C (66.5°F) |
% 50 | 61% | 6 | Sunrise:06:49 AM Sunset: 06:41 PM |
Moonrise:07:14 PM Moonset: 09:07 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Sunny |
7.4 ° C (45.3°F) |
14.5 ° C (58.1°F) |
10.7 ° C (51.2°F) |
% 59 | 69% | 4 | Sunrise:06:50 AM Sunset: 06:39 PM |
Moonrise:07:41 PM Moonset: 10:19 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
6.4 ° C (43.5°F) |
18.2 ° C (64.8°F) |
12 ° C (53.6°F) |
% 47 | 2% | 5 | Sunrise:06:51 AM Sunset: 06:38 PM |
Moonrise:08:16 PM Moonset: 11:32 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Sunny |
11.4 ° C (52.6°F) |
23.6 ° C (74.6°F) |
16.2 ° C (61.2°F) |
% 38 | 3% | 6 | Sunrise:06:52 AM Sunset: 06:36 PM |
Moonrise:09:01 PM Moonset: 12:44 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Sunny |
8.2 ° C (46.8°F) |
17.9 ° C (64.2°F) |
13.2 ° C (55.7°F) |
% 39 | 2% | 5 | Sunrise:06:54 AM Sunset: 06:34 PM |
Moonrise:09:59 PM Moonset: 01:49 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Sunny |
6.7 ° C (44°F) |
20.4 ° C (68.7°F) |
12.8 ° C (55.1°F) |
% 40 | 2% | 6 | Sunrise:06:55 AM Sunset: 06:32 PM |
Moonrise:11:09 PM Moonset: 02:45 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Overcast |
10.6 ° C (51.1°F) |
23 ° C (73.3°F) |
15.9 ° C (60.6°F) |
% 39 | 6% | 6 | Sunrise:06:56 AM Sunset: 06:30 PM |
Moonrise:Does not rise today Moonset: 03:29 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Sunny |
9.8 ° C (49.6°F) |
19.9 ° C (67.8°F) |
13.8 ° C (56.9°F) |
% 44 | 4% | 5 | Sunrise:06:57 AM Sunset: 06:28 PM |
Moonrise:12:27 AM Moonset: 04:04 PM Moon Phase ( Waning Crescent ) |
|
| 06 October 2026 Tuesday | Sunny |
12.6 ° C (54.7°F) |
28 ° C (82.4°F) |
19.9 ° C (67.8°F) |
% 33 | 1% | 7 | Sunrise:06:58 AM Sunset: 06:27 PM |
Moonrise:01:48 AM Moonset: 04:31 PM Moon Phase ( Waning Crescent ) |
|