Current weather conditions and 15 day weather forecast for Chester, 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.
| 10 August 2026 Monday 30.9 ° C / 87.6°F ![]() Sunny |
Feels Like : 34.3 ° C / 93.7°F Humidity : % 58 Pressure : 1006 mb Wind Speed : 14 kmph / 8.7 miles from SSE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 6 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 August 2026 Monday | Sunny |
19.3 ° C (66.7°F) |
31.3 ° C (88.3°F) |
25 ° C (77°F) |
% 77 | 8% | 6 | Sunrise:06:33 AM Sunset: 08:44 PM |
Moonrise:03:11 AM Moonset: 07:31 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
20.6 ° C (69°F) |
39.4 ° C (103°F) |
29.4 ° C (84.9°F) |
% 55 | 2% | 6.6 | Sunrise:06:34 AM Sunset: 08:42 PM |
Moonrise:04:32 AM Moonset: 08:11 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
18.9 ° C (66°F) |
35.4 ° C (95.7°F) |
26.8 ° C (80.3°F) |
% 55 | 57% | 6.4 | Sunrise:06:35 AM Sunset: 08:41 PM |
Moonrise:05:58 AM Moonset: 08:42 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Partly Cloudy |
18.3 ° C (64.9°F) |
25.5 ° C (77.8°F) |
21.7 ° C (71°F) |
% 72 | 20% | 1.2 | Sunrise:06:36 AM Sunset: 08:39 PM |
Moonrise:07:22 AM Moonset: 09:08 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Mist |
15.9 ° C (60.6°F) |
23.7 ° C (74.7°F) |
19.1 ° C (66.4°F) |
% 85 | 67% | 2.3 | Sunrise:06:37 AM Sunset: 08:38 PM |
Moonrise:08:43 AM Moonset: 09:31 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Mist |
19 ° C (66.3°F) |
26.5 ° C (79.8°F) |
22.2 ° C (71.9°F) |
% 82 | 41% | 7 | Sunrise:06:38 AM Sunset: 08:36 PM |
Moonrise:10:01 AM Moonset: 09:53 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
14.3 ° C (57.7°F) |
31.5 ° C (88.7°F) |
23.3 ° C (73.9°F) |
% 49 | 2% | 8 | Sunrise:06:39 AM Sunset: 08:35 PM |
Moonrise:11:17 AM Moonset: 10:15 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
18.1 ° C (64.7°F) |
34.4 ° C (93.9°F) |
26.2 ° C (79.1°F) |
% 55 | 6% | 8 | Sunrise:06:41 AM Sunset: 08:33 PM |
Moonrise:12:32 PM Moonset: 10:40 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
17 ° C (62.5°F) |
36.5 ° C (97.6°F) |
27.2 ° C (80.9°F) |
% 59 | 17% | 9 | Sunrise:06:42 AM Sunset: 08:32 PM |
Moonrise:01:45 PM Moonset: 11:08 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
24.7 ° C (76.4°F) |
42.1 ° C (107.7°F) |
32.4 ° C (90.3°F) |
% 41 | 1% | 10 | Sunrise:06:43 AM Sunset: 08:30 PM |
Moonrise:02:56 PM Moonset: 11:43 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
16.5 ° C (61.6°F) |
25.1 ° C (77.2°F) |
21.2 ° C (70.2°F) |
% 77 | 63% | 6 | Sunrise:06:44 AM Sunset: 08:29 PM |
Moonrise:04:02 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Patchy rain nearby |
19.6 ° C (67.3°F) |
26.7 ° C (80°F) |
22.2 ° C (72°F) |
% 88 | 89% | 6 | Sunrise:06:45 AM Sunset: 08:27 PM |
Moonrise:05:01 PM Moonset: 12:24 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Cloudy |
16.3 ° C (61.3°F) |
33.7 ° C (92.6°F) |
22.5 ° C (72.6°F) |
% 72 | 40% | 7 | Sunrise:06:46 AM Sunset: 08:26 PM |
Moonrise:05:50 PM Moonset: 01:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Partly Cloudy |
15 ° C (59.1°F) |
28.4 ° C (83.1°F) |
21.9 ° C (71.4°F) |
% 76 | 57% | 7 | Sunrise:06:47 AM Sunset: 08:24 PM |
Moonrise:06:31 PM Moonset: 02:11 AM Moon Phase ( Waxing Gibbous ) |
|