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.
| 13 May 2026 Wednesday 24.4 ° C / 75.9°F ![]() Sunny |
Feels Like : 23.6 ° C / 74.5°F Humidity : % 18 Pressure : 1018 mb Wind Speed : 18.4 kmph / 11.4 miles from S ![]() Visibility : 16 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 13 May 2026 Wednesday | Sunny |
8 ° C (46.5°F) |
27.3 ° C (81.1°F) |
17.6 ° C (63.7°F) |
% 32 | 0% | 8.8 | Sunrise:05:31 AM Sunset: 08:11 PM |
Moonrise:03:30 AM Moonset: 04:42 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Sunny |
11.1 ° C (52°F) |
22.6 ° C (72.7°F) |
17.8 ° C (64°F) |
% 28 | 0% | 8.3 | Sunrise:05:30 AM Sunset: 08:12 PM |
Moonrise:03:52 AM Moonset: 06:01 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Sunny |
7.5 ° C (45.5°F) |
21.3 ° C (70.3°F) |
14 ° C (57.1°F) |
% 23 | 0% | 0 | Sunrise:05:29 AM Sunset: 08:13 PM |
Moonrise:04:18 AM Moonset: 07:24 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Sunny |
7.2 ° C (44.9°F) |
20.2 ° C (68.3°F) |
13 ° C (55.3°F) |
% 34 | 0% | 4 | Sunrise:05:28 AM Sunset: 08:14 PM |
Moonrise:04:51 AM Moonset: 08:48 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Patchy rain nearby |
6.1 ° C (43°F) |
15.1 ° C (59.1°F) |
10.3 ° C (50.5°F) |
% 59 | 84% | 3 | Sunrise:05:27 AM Sunset: 08:15 PM |
Moonrise:05:34 AM Moonset: 10:08 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
0.6 ° C (33°F) |
9.1 ° C (48.3°F) |
4.4 ° C (40°F) |
% 65 | 70% | 1 | Sunrise:05:26 AM Sunset: 08:16 PM |
Moonrise:06:30 AM Moonset: 11:17 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
0.4 ° C (32.8°F) |
8.8 ° C (47.8°F) |
4.4 ° C (39.9°F) |
% 67 | 79% | 1 | Sunrise:05:25 AM Sunset: 08:17 PM |
Moonrise:07:40 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Sunny |
2.4 ° C (36.4°F) |
18.4 ° C (65.2°F) |
10.8 ° C (51.4°F) |
% 54 | 0% | 4 | Sunrise:05:24 AM Sunset: 08:18 PM |
Moonrise:08:58 AM Moonset: 12:11 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
8.4 ° C (47.2°F) |
24.7 ° C (76.4°F) |
16.7 ° C (62.1°F) |
% 31 | 0% | 5 | Sunrise:05:23 AM Sunset: 08:19 PM |
Moonrise:10:18 AM Moonset: 12:51 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Sunny |
10.6 ° C (51.1°F) |
22.6 ° C (72.7°F) |
15.7 ° C (60.3°F) |
% 47 | 0% | 5 | Sunrise:05:23 AM Sunset: 08:20 PM |
Moonrise:11:35 AM Moonset: 01:22 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
6.9 ° C (44.4°F) |
18.4 ° C (65.1°F) |
13.3 ° C (55.9°F) |
% 55 | 81% | 3 | Sunrise:05:22 AM Sunset: 08:21 PM |
Moonrise:12:48 PM Moonset: 01:46 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
5.2 ° C (41.3°F) |
12.8 ° C (55°F) |
7.7 ° C (45.8°F) |
% 75 | 76% | 2 | Sunrise:05:21 AM Sunset: 08:22 PM |
Moonrise:01:57 PM Moonset: 02:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Sunny |
6 ° C (42.8°F) |
24.1 ° C (75.4°F) |
14.1 ° C (57.5°F) |
% 45 | 0% | 4 | Sunrise:05:20 AM Sunset: 08:23 PM |
Moonrise:03:04 PM Moonset: 02:25 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Sunny |
5.2 ° C (41.3°F) |
18.9 ° C (66°F) |
11.7 ° C (53.1°F) |
% 36 | 0% | 4 | Sunrise:05:19 AM Sunset: 08:24 PM |
Moonrise:04:09 PM Moonset: 02:43 AM Moon Phase ( Waxing Gibbous ) |
|