Current weather conditions and 15 day weather forecast for Harmon, 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 19.3 ° C / 66.8°F ![]() Overcast |
Feels Like : 13.3 ° C / 55.9°F Humidity : % 50 Pressure : 1022 mb Wind Speed : 29.5 kmph / 18.3 miles from SSE ![]() 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 |
10.5 ° C (50.9°F) |
19.3 ° C (66.8°F) |
14.9 ° C (58.8°F) |
% 70 | 43% | 5 | Sunrise:07:15 AM Sunset: 07:23 PM |
Moonrise:06:14 PM Moonset: 04:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Light rain shower |
12.6 ° C (54.7°F) |
15.2 ° C (59.4°F) |
13.9 ° C (56.9°F) |
% 91 | 92% | 4 | Sunrise:07:16 AM Sunset: 07:21 PM |
Moonrise:06:31 PM Moonset: 05:10 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Mist |
13.6 ° C (56.5°F) |
16.2 ° C (61.2°F) |
14.7 ° C (58.5°F) |
% 93 | 55% | 4 | Sunrise:07:17 AM Sunset: 07:19 PM |
Moonrise:06:47 PM Moonset: 06:16 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Patchy rain nearby |
14.1 ° C (57.3°F) |
14.8 ° C (58.7°F) |
14.4 ° C (57.8°F) |
% 94 | 77% | 3 | Sunrise:07:18 AM Sunset: 07:17 PM |
Moonrise:07:03 PM Moonset: 07:22 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Mist |
14.5 ° C (58.1°F) |
23.5 ° C (74.4°F) |
18.6 ° C (65.5°F) |
% 81 | 40% | 6 | Sunrise:07:20 AM Sunset: 07:15 PM |
Moonrise:07:21 PM Moonset: 08:30 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
15.7 ° C (60.3°F) |
23.3 ° C (74°F) |
19.2 ° C (66.6°F) |
% 74 | 16% | 6 | Sunrise:07:21 AM Sunset: 07:13 PM |
Moonrise:07:42 PM Moonset: 09:40 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Light rain shower |
8.9 ° C (48°F) |
18.7 ° C (65.7°F) |
13.7 ° C (56.7°F) |
% 86 | 90% | 4 | Sunrise:07:22 AM Sunset: 07:11 PM |
Moonrise:08:08 PM Moonset: 10:53 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
6.7 ° C (44.1°F) |
13.8 ° C (56.8°F) |
9.8 ° C (49.6°F) |
% 61 | 39% | 4 | Sunrise:07:23 AM Sunset: 07:09 PM |
Moonrise:08:42 PM Moonset: 12:08 PM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Sunny |
6.8 ° C (44.3°F) |
15.1 ° C (59.2°F) |
10.7 ° C (51.3°F) |
% 56 | 5% | 5 | Sunrise:07:25 AM Sunset: 07:07 PM |
Moonrise:09:26 PM Moonset: 01:20 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Sunny |
10.2 ° C (50.3°F) |
18.2 ° C (64.8°F) |
13.9 ° C (57°F) |
% 58 | 5% | 5 | Sunrise:07:26 AM Sunset: 07:05 PM |
Moonrise:10:24 PM Moonset: 02:26 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Sunny |
8.3 ° C (47°F) |
14 ° C (57.3°F) |
11.2 ° C (52.1°F) |
% 56 | 5% | 4 | Sunrise:07:27 AM Sunset: 07:03 PM |
Moonrise:11:34 PM Moonset: 03:22 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Overcast |
7.4 ° C (45.3°F) |
16.8 ° C (62.2°F) |
11.9 ° C (53.3°F) |
% 60 | 11% | 4 | Sunrise:07:29 AM Sunset: 07:01 PM |
Moonrise:Does not rise today Moonset: 04:05 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Overcast |
11.3 ° C (52.4°F) |
16.6 ° C (61.9°F) |
13.5 ° C (56.3°F) |
% 69 | 14% | 4 | Sunrise:07:30 AM Sunset: 07:00 PM |
Moonrise:12:53 AM Moonset: 04:39 PM Moon Phase ( Waning Crescent ) |
|
| 06 October 2026 Tuesday | Sunny |
10.8 ° C (51.4°F) |
17.7 ° C (63.9°F) |
13.6 ° C (56.4°F) |
% 70 | 7% | 5 | Sunrise:07:31 AM Sunset: 06:58 PM |
Moonrise:02:15 AM Moonset: 05:05 PM Moon Phase ( Waning Crescent ) |
|