Current weather conditions and 15 day weather forecast for Mellette, 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 17.2 ° C / 62.9°F ![]() Overcast |
Feels Like : 11.6 ° C / 52.9°F Humidity : % 66 Pressure : 1021 mb Wind Speed : 30.2 kmph / 18.8 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 |
10.1 ° C (50.2°F) |
18.2 ° C (64.8°F) |
14.2 ° C (57.6°F) |
% 80 | 81% | 2.6 | Sunrise:07:22 AM Sunset: 07:30 PM |
Moonrise:06:21 PM Moonset: 04:13 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Patchy rain nearby |
13.7 ° C (56.7°F) |
18.5 ° C (65.4°F) |
15.7 ° C (60.3°F) |
% 91 | 87% | 1.9 | Sunrise:07:23 AM Sunset: 07:28 PM |
Moonrise:06:38 PM Moonset: 05:18 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Light rain shower |
13.3 ° C (55.9°F) |
15.5 ° C (59.9°F) |
13.9 ° C (57.1°F) |
% 95 | 92% | 1.2 | Sunrise:07:24 AM Sunset: 07:26 PM |
Moonrise:06:54 PM Moonset: 06:23 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
13.7 ° C (56.7°F) |
24.3 ° C (75.7°F) |
16.9 ° C (62.3°F) |
% 88 | 83% | 2.4 | Sunrise:07:26 AM Sunset: 07:24 PM |
Moonrise:07:11 PM Moonset: 07:29 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
14.6 ° C (58.3°F) |
23.5 ° C (74.2°F) |
19.1 ° C (66.3°F) |
% 66 | 18% | 6 | Sunrise:07:27 AM Sunset: 07:22 PM |
Moonrise:07:29 PM Moonset: 08:37 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
15.7 ° C (60.3°F) |
21.9 ° C (71.5°F) |
18.3 ° C (64.9°F) |
% 77 | 36% | 5 | Sunrise:07:28 AM Sunset: 07:20 PM |
Moonrise:07:51 PM Moonset: 09:46 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Light rain shower |
10.1 ° C (50.1°F) |
16.4 ° C (61.5°F) |
12.6 ° C (54.8°F) |
% 84 | 88% | 3 | Sunrise:07:29 AM Sunset: 07:18 PM |
Moonrise:08:17 PM Moonset: 10:59 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
8.8 ° C (47.8°F) |
15.7 ° C (60.3°F) |
11.7 ° C (53.1°F) |
% 55 | 3% | 5 | Sunrise:07:30 AM Sunset: 07:16 PM |
Moonrise:08:52 PM Moonset: 12:13 PM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Sunny |
8.3 ° C (47°F) |
16.6 ° C (61.9°F) |
12.3 ° C (54.2°F) |
% 55 | 5% | 5 | Sunrise:07:32 AM Sunset: 07:15 PM |
Moonrise:09:36 PM Moonset: 01:25 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Sunny |
11.8 ° C (53.2°F) |
20.8 ° C (69.5°F) |
15.4 ° C (59.7°F) |
% 59 | 6% | 6 | Sunrise:07:33 AM Sunset: 07:13 PM |
Moonrise:10:34 PM Moonset: 02:31 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Sunny |
8.9 ° C (48°F) |
15.8 ° C (60.4°F) |
12.4 ° C (54.4°F) |
% 47 | 2% | 5 | Sunrise:07:34 AM Sunset: 07:11 PM |
Moonrise:11:44 PM Moonset: 03:26 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Overcast |
9.8 ° C (49.7°F) |
19.1 ° C (66.4°F) |
13.9 ° C (57°F) |
% 56 | 12% | 4 | Sunrise:07:35 AM Sunset: 07:09 PM |
Moonrise:Does not rise today Moonset: 04:10 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Sunny |
11.7 ° C (53.1°F) |
17.8 ° C (64°F) |
14.6 ° C (58.3°F) |
% 67 | 8% | 5 | Sunrise:07:37 AM Sunset: 07:07 PM |
Moonrise:01:03 AM Moonset: 04:44 PM Moon Phase ( Waning Crescent ) |
|
| 06 October 2026 Tuesday | Sunny |
11.6 ° C (53°F) |
19.4 ° C (66.9°F) |
14.7 ° C (58.5°F) |
% 74 | 8% | 5 | Sunrise:07:38 AM Sunset: 07:05 PM |
Moonrise:02:24 AM Moonset: 05:11 PM Moon Phase ( Waning Crescent ) |
|