Current weather conditions and 15 day weather forecast for Custer, 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 24.4 ° C / 75.9°F ![]() Clear |
Feels Like : 24 ° C / 75.2°F Humidity : % 63 Pressure : 1005 mb Wind Speed : 14.4 kmph / 8.9 miles from SSE ![]() Visibility : 9 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 08 August 2026 Saturday | Sunny |
12.5 ° C (54.5°F) |
29.7 ° C (85.5°F) |
21.3 ° C (70.3°F) |
% 67 | 4% | 6.7 | Sunrise:06:27 AM Sunset: 08:48 PM |
Moonrise:12:57 AM Moonset: 05:43 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Sunny |
19.3 ° C (66.8°F) |
35.3 ° C (95.6°F) |
26.7 ° C (80.1°F) |
% 60 | 4% | 5.1 | Sunrise:06:29 AM Sunset: 08:47 PM |
Moonrise:01:54 AM Moonset: 06:45 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
18.7 ° C (65.7°F) |
38.1 ° C (100.6°F) |
27.3 ° C (81.1°F) |
% 47 | 57% | 5.4 | Sunrise:06:30 AM Sunset: 08:45 PM |
Moonrise:03:05 AM Moonset: 07:35 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
19 ° C (66.1°F) |
35.8 ° C (96.5°F) |
26.5 ° C (79.8°F) |
% 61 | 5% | 5.6 | Sunrise:06:31 AM Sunset: 08:44 PM |
Moonrise:04:28 AM Moonset: 08:13 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
19.9 ° C (67.9°F) |
36.1 ° C (97°F) |
26.8 ° C (80.2°F) |
% 54 | 36% | 6.3 | Sunrise:06:32 AM Sunset: 08:43 PM |
Moonrise:05:54 AM Moonset: 08:44 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
15.6 ° C (60°F) |
30 ° C (86°F) |
22.9 ° C (73.1°F) |
% 51 | 2% | 7 | Sunrise:06:33 AM Sunset: 08:41 PM |
Moonrise:07:19 AM Moonset: 09:09 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
14.8 ° C (58.7°F) |
32.1 ° C (89.7°F) |
23.7 ° C (74.6°F) |
% 37 | 1% | 8 | Sunrise:06:34 AM Sunset: 08:40 PM |
Moonrise:08:42 AM Moonset: 09:30 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
18.7 ° C (65.6°F) |
30.8 ° C (87.5°F) |
24.3 ° C (75.8°F) |
% 54 | 36% | 8 | Sunrise:06:36 AM Sunset: 08:38 PM |
Moonrise:10:01 AM Moonset: 09:51 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
19.9 ° C (67.8°F) |
35.1 ° C (95.2°F) |
27.3 ° C (81.2°F) |
% 64 | 57% | 8 | Sunrise:06:37 AM Sunset: 08:36 PM |
Moonrise:11:18 AM Moonset: 10:13 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
18 ° C (64.3°F) |
33.7 ° C (92.7°F) |
25.4 ° C (77.6°F) |
% 63 | 4% | 8 | Sunrise:06:38 AM Sunset: 08:35 PM |
Moonrise:12:34 PM Moonset: 10:36 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
19.3 ° C (66.7°F) |
38.7 ° C (101.7°F) |
28 ° C (82.5°F) |
% 51 | 2% | 9 | Sunrise:06:39 AM Sunset: 08:33 PM |
Moonrise:01:48 PM Moonset: 11:04 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Partly Cloudy |
18.4 ° C (65.1°F) |
27.7 ° C (81.8°F) |
22.4 ° C (72.4°F) |
% 62 | 57% | 7 | Sunrise:06:40 AM Sunset: 08:32 PM |
Moonrise:02:59 PM Moonset: 11:38 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Partly Cloudy |
15.8 ° C (60.4°F) |
32.6 ° C (90.7°F) |
24 ° C (75.2°F) |
% 55 | 4% | 8 | Sunrise:06:41 AM Sunset: 08:30 PM |
Moonrise:04:06 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
18 ° C (64.5°F) |
36.8 ° C (98.3°F) |
27.4 ° C (81.2°F) |
% 43 | 2% | 9 | Sunrise:06:42 AM Sunset: 08:28 PM |
Moonrise:05:05 PM Moonset: 12:19 AM Moon Phase ( First Quarter ) |
|