Current weather conditions and 15 day weather forecast for Castlewood (Township), 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.
| 15 May 2026 Friday 8.3 ° C / 46.9°F ![]() Clear |
Feels Like : 6.5 ° C / 43.7°F Humidity : % 71 Pressure : 1005 mb Wind Speed : 10.4 kmph / 6.5 miles from WSW ![]() 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 May 2026 Friday | Sunny |
11.1 ° C (52°F) |
28.4 ° C (83.1°F) |
19.2 ° C (66.5°F) |
% 37 | 0% | 8 | Sunrise:06:00 AM Sunset: 08:50 PM |
Moonrise:04:48 AM Moonset: 07:59 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
11.7 ° C (53°F) |
24.1 ° C (75.3°F) |
18.2 ° C (64.7°F) |
% 39 | 80% | 7.2 | Sunrise:05:59 AM Sunset: 08:51 PM |
Moonrise:05:20 AM Moonset: 09:25 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Moderate rain |
12 ° C (53.6°F) |
23.3 ° C (74°F) |
16.5 ° C (61.6°F) |
% 75 | 88% | 6.2 | Sunrise:05:58 AM Sunset: 08:52 PM |
Moonrise:06:02 AM Moonset: 10:46 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
6.3 ° C (43.4°F) |
12.5 ° C (54.6°F) |
9.6 ° C (49.2°F) |
% 77 | 69% | 2.4 | Sunrise:05:57 AM Sunset: 08:53 PM |
Moonrise:06:58 AM Moonset: 11:55 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
3.3 ° C (37.9°F) |
18.4 ° C (65°F) |
7.8 ° C (46.1°F) |
% 74 | 86% | 0 | Sunrise:05:56 AM Sunset: 08:54 PM |
Moonrise:08:07 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Moderate rain |
9 ° C (48.2°F) |
11.8 ° C (53.2°F) |
10.7 ° C (51.3°F) |
% 78 | 73% | 3 | Sunrise:05:55 AM Sunset: 08:55 PM |
Moonrise:09:27 AM Moonset: 12:48 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
6.8 ° C (44.3°F) |
13.3 ° C (55.9°F) |
9.4 ° C (48.9°F) |
% 82 | 0% | 2 | Sunrise:05:54 AM Sunset: 08:56 PM |
Moonrise:10:47 AM Moonset: 01:28 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Patchy rain nearby |
6.8 ° C (44.3°F) |
13.7 ° C (56.7°F) |
9.9 ° C (49.9°F) |
% 73 | 89% | 2 | Sunrise:05:53 AM Sunset: 08:58 PM |
Moonrise:12:05 PM Moonset: 01:58 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
6.7 ° C (44.1°F) |
24.2 ° C (75.5°F) |
15.3 ° C (59.6°F) |
% 66 | 0% | 4 | Sunrise:05:52 AM Sunset: 08:59 PM |
Moonrise:01:19 PM Moonset: 02:21 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
13.8 ° C (56.8°F) |
17.5 ° C (63.6°F) |
15.9 ° C (60.6°F) |
% 84 | 71% | 4 | Sunrise:05:51 AM Sunset: 09:00 PM |
Moonrise:02:29 PM Moonset: 02:41 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Patchy rain nearby |
12.9 ° C (55.2°F) |
19.7 ° C (67.4°F) |
16.1 ° C (60.9°F) |
% 89 | 77% | 4 | Sunrise:05:50 AM Sunset: 09:01 PM |
Moonrise:03:37 PM Moonset: 02:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Cloudy |
10.9 ° C (51.7°F) |
23.4 ° C (74.2°F) |
16.9 ° C (62.4°F) |
% 80 | 0% | 4 | Sunrise:05:50 AM Sunset: 09:02 PM |
Moonrise:04:43 PM Moonset: 03:16 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Partly Cloudy |
14.2 ° C (57.5°F) |
25.6 ° C (78.1°F) |
19.7 ° C (67.4°F) |
% 72 | 0% | 5 | Sunrise:05:49 AM Sunset: 09:03 PM |
Moonrise:05:50 PM Moonset: 03:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 May 2026 Thursday | Partly Cloudy |
10.5 ° C (50.9°F) |
21 ° C (69.8°F) |
15.7 ° C (60.3°F) |
% 59 | 0% | 5 | Sunrise:05:48 AM Sunset: 09:03 PM |
Moonrise:06:56 PM Moonset: 03:55 AM Moon Phase ( Waxing Gibbous ) |
|