Current weather conditions and 15 day weather forecast for Grant, 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.
| 09 August 2026 Sunday 20.3 ° C / 68.5°F ![]() Sunny |
Feels Like : 21.8 ° C / 71.2°F Humidity : % 94 Pressure : 1008 mb Wind Speed : 9.7 kmph / 6 miles from NNE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 10 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 August 2026 Sunday | Sunny |
18.9 ° C (66°F) |
36.2 ° C (97.2°F) |
25.6 ° C (78.1°F) |
% 70 | 6% | 5.3 | Sunrise:06:30 AM Sunset: 08:47 PM |
Moonrise:01:56 AM Moonset: 06:45 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
19.2 ° C (66.6°F) |
37.8 ° C (100°F) |
27.8 ° C (82.1°F) |
% 58 | 57% | 5.4 | Sunrise:06:31 AM Sunset: 08:46 PM |
Moonrise:03:07 AM Moonset: 07:35 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
18.1 ° C (64.5°F) |
32.4 ° C (90.2°F) |
24.2 ° C (75.6°F) |
% 69 | 57% | 5.6 | Sunrise:06:32 AM Sunset: 08:44 PM |
Moonrise:04:29 AM Moonset: 08:14 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
17.9 ° C (64.3°F) |
32.5 ° C (90.6°F) |
24.6 ° C (76.2°F) |
% 63 | 59% | 5.7 | Sunrise:06:33 AM Sunset: 08:43 PM |
Moonrise:05:55 AM Moonset: 08:44 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
14.4 ° C (57.8°F) |
25.3 ° C (77.6°F) |
20.3 ° C (68.6°F) |
% 60 | 60% | 7 | Sunrise:06:34 AM Sunset: 08:41 PM |
Moonrise:07:20 AM Moonset: 09:09 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
13.7 ° C (56.7°F) |
22.6 ° C (72.7°F) |
17.8 ° C (64.1°F) |
% 51 | 57% | 6 | Sunrise:06:35 AM Sunset: 08:40 PM |
Moonrise:08:43 AM Moonset: 09:31 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
12.1 ° C (53.7°F) |
25.9 ° C (78.7°F) |
18.7 ° C (65.7°F) |
% 65 | 57% | 7 | Sunrise:06:37 AM Sunset: 08:38 PM |
Moonrise:10:02 AM Moonset: 09:52 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
15.5 ° C (60°F) |
22.6 ° C (72.6°F) |
18.4 ° C (65.2°F) |
% 70 | 69% | 6 | Sunrise:06:38 AM Sunset: 08:37 PM |
Moonrise:11:18 AM Moonset: 10:14 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
16.6 ° C (61.9°F) |
25.4 ° C (77.7°F) |
20.5 ° C (68.9°F) |
% 73 | 36% | 7 | Sunrise:06:39 AM Sunset: 08:35 PM |
Moonrise:12:34 PM Moonset: 10:38 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
12.5 ° C (54.5°F) |
28.1 ° C (82.6°F) |
20 ° C (67.9°F) |
% 60 | 3% | 7 | Sunrise:06:40 AM Sunset: 08:34 PM |
Moonrise:01:48 PM Moonset: 11:05 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
15.2 ° C (59.3°F) |
33.9 ° C (93.1°F) |
24.3 ° C (75.7°F) |
% 54 | 36% | 8 | Sunrise:06:41 AM Sunset: 08:32 PM |
Moonrise:02:59 PM Moonset: 11:39 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Patchy rain nearby |
20.5 ° C (68.8°F) |
30.8 ° C (87.5°F) |
24.7 ° C (76.4°F) |
% 57 | 57% | 7 | Sunrise:06:42 AM Sunset: 08:30 PM |
Moonrise:04:06 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Partly Cloudy |
15.2 ° C (59.3°F) |
25.4 ° C (77.8°F) |
20.1 ° C (68.2°F) |
% 54 | 36% | 7 | Sunrise:06:44 AM Sunset: 08:29 PM |
Moonrise:05:05 PM Moonset: 12:20 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Partly Cloudy |
14.2 ° C (57.6°F) |
26.7 ° C (80°F) |
18.7 ° C (65.7°F) |
% 51 | 36% | 7 | Sunrise:06:45 AM Sunset: 08:27 PM |
Moonrise:05:55 PM Moonset: 01:10 AM Moon Phase ( Waxing Gibbous ) |
|