Current weather conditions and 15 day weather forecast for Harmony, 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 12.2 ° C / 53.9°F ![]() Overcast |
Feels Like : 9.2 ° C / 48.6°F Humidity : % 77 Pressure : 1023 mb Wind Speed : 16.9 kmph / 10.5 miles from SSE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 99 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 September 2026 Tuesday | Overcast |
8.7 ° C (47.7°F) |
14.1 ° C (57.3°F) |
11.3 ° C (52.4°F) |
% 84 | 32% | 1.8 | Sunrise:07:23 AM Sunset: 07:34 PM |
Moonrise:06:05 PM Moonset: 03:09 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Overcast |
9.9 ° C (49.8°F) |
16.8 ° C (62.2°F) |
13.3 ° C (56°F) |
% 83 | 77% | 2.6 | Sunrise:07:24 AM Sunset: 07:32 PM |
Moonrise:06:23 PM Moonset: 04:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Patchy rain nearby |
14 ° C (57.2°F) |
25 ° C (76.9°F) |
18.5 ° C (65.3°F) |
% 77 | 60% | 3 | Sunrise:07:25 AM Sunset: 07:30 PM |
Moonrise:06:40 PM Moonset: 05:20 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Fog |
13.6 ° C (56.4°F) |
19.4 ° C (66.9°F) |
16.4 ° C (61.5°F) |
% 89 | 77% | 1.3 | Sunrise:07:26 AM Sunset: 07:28 PM |
Moonrise:06:56 PM Moonset: 06:25 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Patchy rain nearby |
13.6 ° C (56.4°F) |
18.7 ° C (65.7°F) |
15.8 ° C (60.4°F) |
% 92 | 81% | 2.2 | Sunrise:07:28 AM Sunset: 07:26 PM |
Moonrise:07:13 PM Moonset: 07:31 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
13.6 ° C (56.5°F) |
21.9 ° C (71.5°F) |
18.1 ° C (64.6°F) |
% 52 | 8% | 6 | Sunrise:07:29 AM Sunset: 07:24 PM |
Moonrise:07:31 PM Moonset: 08:39 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
15.5 ° C (59.8°F) |
21.5 ° C (70.8°F) |
17.7 ° C (63.9°F) |
% 82 | 87% | 5 | Sunrise:07:30 AM Sunset: 07:22 PM |
Moonrise:07:52 PM Moonset: 09:49 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Patchy rain nearby |
8.1 ° C (46.6°F) |
16.4 ° C (61.5°F) |
11.5 ° C (52.7°F) |
% 74 | 68% | 3 | Sunrise:07:31 AM Sunset: 07:20 PM |
Moonrise:08:18 PM Moonset: 11:02 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
4.9 ° C (40.8°F) |
14.5 ° C (58.1°F) |
9.4 ° C (49°F) |
% 46 | 1% | 4 | Sunrise:07:33 AM Sunset: 07:19 PM |
Moonrise:08:52 PM Moonset: 12:16 PM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Sunny |
6.6 ° C (43.9°F) |
15.9 ° C (60.6°F) |
11 ° C (51.8°F) |
% 52 | 2% | 5 | Sunrise:07:34 AM Sunset: 07:17 PM |
Moonrise:09:37 PM Moonset: 01:29 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Overcast |
9.9 ° C (49.8°F) |
17.8 ° C (64°F) |
12.6 ° C (54.7°F) |
% 63 | 11% | 4 | Sunrise:07:35 AM Sunset: 07:15 PM |
Moonrise:10:35 PM Moonset: 02:35 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Sunny |
8 ° C (46.4°F) |
14.6 ° C (58.4°F) |
11.3 ° C (52.3°F) |
% 48 | 2% | 4 | Sunrise:07:36 AM Sunset: 07:13 PM |
Moonrise:11:45 PM Moonset: 03:30 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Sunny |
6.8 ° C (44.3°F) |
12.1 ° C (53.7°F) |
9.4 ° C (48.8°F) |
% 44 | 1% | 4 | Sunrise:07:38 AM Sunset: 07:11 PM |
Moonrise:Does not rise today Moonset: 04:13 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Sunny |
3.2 ° C (37.7°F) |
13.5 ° C (56.2°F) |
8.1 ° C (46.5°F) |
% 65 | 7% | 4 | Sunrise:07:39 AM Sunset: 07:09 PM |
Moonrise:01:04 AM Moonset: 04:47 PM Moon Phase ( Waning Crescent ) |
|