Current weather conditions and 15 day weather forecast for Running Water, 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.
| 18 September 2026 Friday 19.5 ° C / 67.1°F ![]() Light rain shower |
Feels Like : 17.7 ° C / 63.9°F Humidity : % 94 Pressure : 1013 mb Wind Speed : 24.8 kmph / 15.4 miles from SE ![]() Visibility : 10 km Precipitation (rainfall) : 0.58 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 September 2026 Friday | Overcast |
17.8 ° C (64°F) |
29 ° C (84.2°F) |
22.6 ° C (72.7°F) |
% 76 | 76% | 5.9 | Sunrise:07:15 AM Sunset: 07:37 PM |
Moonrise:03:41 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Patchy rain nearby |
12.9 ° C (55.2°F) |
17.3 ° C (63.2°F) |
15.6 ° C (60.1°F) |
% 88 | 75% | 3.3 | Sunrise:07:16 AM Sunset: 07:35 PM |
Moonrise:04:26 PM Moonset: 12:04 AM Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Patchy rain nearby |
11.3 ° C (52.4°F) |
13.7 ° C (56.6°F) |
12.5 ° C (54.5°F) |
% 88 | 64% | 1 | Sunrise:07:17 AM Sunset: 07:33 PM |
Moonrise:05:01 PM Moonset: 01:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Patchy rain nearby |
9.5 ° C (49.2°F) |
11.1 ° C (52°F) |
10.3 ° C (50.5°F) |
% 93 | 85% | 1.4 | Sunrise:07:18 AM Sunset: 07:31 PM |
Moonrise:05:30 PM Moonset: 02:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Overcast |
9.3 ° C (48.7°F) |
20.2 ° C (68.4°F) |
13.5 ° C (56.2°F) |
% 77 | 23% | 5 | Sunrise:07:19 AM Sunset: 07:30 PM |
Moonrise:05:54 PM Moonset: 03:12 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Overcast |
11.8 ° C (53.2°F) |
18.3 ° C (65°F) |
14.8 ° C (58.6°F) |
% 81 | 72% | 4 | Sunrise:07:20 AM Sunset: 07:28 PM |
Moonrise:06:15 PM Moonset: 04:16 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Patchy rain nearby |
14 ° C (57.1°F) |
19.2 ° C (66.6°F) |
16.4 ° C (61.5°F) |
% 84 | 34% | 4 | Sunrise:07:21 AM Sunset: 07:26 PM |
Moonrise:06:34 PM Moonset: 05:19 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Overcast |
15.4 ° C (59.8°F) |
19.8 ° C (67.6°F) |
17.4 ° C (63.3°F) |
% 83 | 24% | 4 | Sunrise:07:22 AM Sunset: 07:24 PM |
Moonrise:06:52 PM Moonset: 06:22 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
15.1 ° C (59.2°F) |
22.2 ° C (71.9°F) |
18.1 ° C (64.6°F) |
% 78 | 23% | 5 | Sunrise:07:23 AM Sunset: 07:22 PM |
Moonrise:07:11 PM Moonset: 07:26 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Sunny |
16.2 ° C (61.1°F) |
30.1 ° C (86.1°F) |
22.4 ° C (72.4°F) |
% 69 | 5% | 8 | Sunrise:07:25 AM Sunset: 07:21 PM |
Moonrise:07:31 PM Moonset: 08:31 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Sunny |
20.2 ° C (68.4°F) |
28.8 ° C (83.8°F) |
24.7 ° C (76.4°F) |
% 58 | 57% | 7 | Sunrise:07:26 AM Sunset: 07:19 PM |
Moonrise:07:55 PM Moonset: 09:39 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
15.8 ° C (60.5°F) |
20.8 ° C (69.5°F) |
18.2 ° C (64.7°F) |
% 62 | 64% | 5 | Sunrise:07:27 AM Sunset: 07:17 PM |
Moonrise:08:24 PM Moonset: 10:49 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Overcast |
8.4 ° C (47.1°F) |
14.9 ° C (58.8°F) |
11.9 ° C (53.3°F) |
% 57 | 13% | 3 | Sunrise:07:28 AM Sunset: 07:15 PM |
Moonrise:09:00 PM Moonset: 12:01 PM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Overcast |
7.8 ° C (46.1°F) |
14.5 ° C (58.2°F) |
10.6 ° C (51°F) |
% 56 | 9% | 4 | Sunrise:07:29 AM Sunset: 07:14 PM |
Moonrise:09:46 PM Moonset: 01:12 PM Moon Phase ( Last Quarter ) |
|