Current weather conditions and 15 day weather forecast for Green Valley, 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.
| 12 August 2026 Wednesday 27.6 ° C / 81.7°F ![]() Sunny |
Feels Like : 29.1 ° C / 84.4°F Humidity : % 94 Pressure : 1012 mb Wind Speed : 15.1 kmph / 9.4 miles from NE ![]() Visibility : 16.1 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 August 2026 Tuesday | Sunny |
20.3 ° C (68.5°F) |
31.4 ° C (88.5°F) |
25.3 ° C (77.6°F) |
% 80 | 38% | 5.9 | Sunrise:06:29 AM Sunset: 08:41 PM |
Moonrise:04:27 AM Moonset: 08:10 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
18.1 ° C (64.5°F) |
36.3 ° C (97.3°F) |
26.8 ° C (80.2°F) |
% 61 | 57% | 6.1 | Sunrise:06:31 AM Sunset: 08:40 PM |
Moonrise:05:53 AM Moonset: 08:41 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
18.3 ° C (65°F) |
30.4 ° C (86.7°F) |
24.1 ° C (75.3°F) |
% 62 | 36% | 5.2 | Sunrise:06:32 AM Sunset: 08:38 PM |
Moonrise:07:18 AM Moonset: 09:06 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
19.9 ° C (67.9°F) |
27.1 ° C (80.8°F) |
23 ° C (73.4°F) |
% 69 | 58% | 3 | Sunrise:06:33 AM Sunset: 08:37 PM |
Moonrise:08:40 AM Moonset: 09:28 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Light rain shower |
21 ° C (69.7°F) |
26.3 ° C (79.4°F) |
22.7 ° C (72.9°F) |
% 90 | 85% | 1.8 | Sunrise:06:34 AM Sunset: 08:35 PM |
Moonrise:09:58 AM Moonset: 09:49 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
18 ° C (64.5°F) |
32 ° C (89.5°F) |
24.7 ° C (76.5°F) |
% 62 | 4% | 8 | Sunrise:06:35 AM Sunset: 08:34 PM |
Moonrise:11:15 AM Moonset: 10:11 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
19 ° C (66.2°F) |
33.8 ° C (92.9°F) |
25.8 ° C (78.4°F) |
% 57 | 36% | 8 | Sunrise:06:36 AM Sunset: 08:32 PM |
Moonrise:12:31 PM Moonset: 10:35 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
19.3 ° C (66.7°F) |
33.5 ° C (92.3°F) |
25.5 ° C (77.9°F) |
% 70 | 62% | 8 | Sunrise:06:37 AM Sunset: 08:30 PM |
Moonrise:01:45 PM Moonset: 11:03 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
19.2 ° C (66.6°F) |
29.2 ° C (84.6°F) |
23.2 ° C (73.8°F) |
% 71 | 61% | 7 | Sunrise:06:39 AM Sunset: 08:29 PM |
Moonrise:02:56 PM Moonset: 11:37 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
18.7 ° C (65.6°F) |
36.7 ° C (98°F) |
26.4 ° C (79.5°F) |
% 62 | 57% | 9 | Sunrise:06:40 AM Sunset: 08:27 PM |
Moonrise:04:02 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
17.9 ° C (64.2°F) |
29.6 ° C (85.4°F) |
24.8 ° C (76.7°F) |
% 48 | 3% | 7 | Sunrise:06:41 AM Sunset: 08:26 PM |
Moonrise:05:01 PM Moonset: 12:18 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
13.1 ° C (55.7°F) |
27.1 ° C (80.9°F) |
20 ° C (67.9°F) |
% 58 | 4% | 7 | Sunrise:06:42 AM Sunset: 08:24 PM |
Moonrise:05:51 PM Moonset: 01:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
16.5 ° C (61.8°F) |
27.9 ° C (82.3°F) |
21.7 ° C (71.1°F) |
% 49 | 3% | 7 | Sunrise:06:43 AM Sunset: 08:22 PM |
Moonrise:06:31 PM Moonset: 02:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Patchy rain nearby |
15.7 ° C (60.2°F) |
32.3 ° C (90.1°F) |
23 ° C (73.3°F) |
% 60 | 61% | 8 | Sunrise:06:44 AM Sunset: 08:21 PM |
Moonrise:07:03 PM Moonset: 03:07 AM Moon Phase ( Waxing Gibbous ) |
|