Castle Butte Weather Forecast 15 Days, Weather in Castle Butte Today
Current weather conditions and 15 day weather forecast for Castle Butte, 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.
Current weather conditions at Castle Butte
| 09 August 2026 Sunday 20.2 ° C / 68.4°F  Sunny |
Feels Like : 17 ° C / 62.6°F Humidity : % 44 Pressure : 1008 mb Wind Speed : 13.7 kmph / 8.5 miles from N  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Castle Butte, SD, USA
Weather Forecast for next 15 Days for Castle Butte including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Castle Butte, South Dakota state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 August 2026 Sunday | Sunny |
20 ° C (68°F) |
36.9 ° C (98.3°F) |
27.7 ° C (81.8°F) |
% 46 | 1% | 6.2 | Sunrise:05:45 AM Sunset: 08:01 PM |
Moonrise:01:13 AM Moonset: 05:58 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
21.8 ° C (71.2°F) |
39.9 ° C (103.8°F) |
29.8 ° C (85.6°F) |
% 39 | 1% | 5.6 | Sunrise:05:46 AM Sunset: 07:59 PM |
Moonrise:02:24 AM Moonset: 06:48 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
19.6 ° C (67.2°F) |
33.6 ° C (92.5°F) |
26.3 ° C (79.3°F) |
% 53 | 57% | 6.8 | Sunrise:05:48 AM Sunset: 07:58 PM |
Moonrise:03:46 AM Moonset: 07:27 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday |  Patchy rain nearby |
18.9 ° C (65.9°F) |
35.1 ° C (95.2°F) |
26.2 ° C (79.2°F) |
% 56 | 64% | 5.9 | Sunrise:05:49 AM Sunset: 07:56 PM |
Moonrise:05:12 AM Moonset: 07:58 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday |  Partly Cloudy |
17.3 ° C (63.1°F) |
24.5 ° C (76.1°F) |
20.7 ° C (69.3°F) |
% 64 | 72% | 6 | Sunrise:05:50 AM Sunset: 07:55 PM |
Moonrise:06:37 AM Moonset: 08:23 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday |  Light rain shower |
14.6 ° C (58.3°F) |
20.6 ° C (69.1°F) |
18.2 ° C (64.8°F) |
% 69 | 82% | 5 | Sunrise:05:51 AM Sunset: 07:53 PM |
Moonrise:07:58 AM Moonset: 08:46 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Partly Cloudy |
14 ° C (57.1°F) |
23.4 ° C (74.1°F) |
18.3 ° C (65°F) |
% 65 | 12% | 6 | Sunrise:05:52 AM Sunset: 07:52 PM |
Moonrise:09:17 AM Moonset: 09:07 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Partly Cloudy |
19.6 ° C (67.2°F) |
31.6 ° C (88.9°F) |
24.5 ° C (76.1°F) |
% 55 | 7% | 8 | Sunrise:05:53 AM Sunset: 07:50 PM |
Moonrise:10:33 AM Moonset: 09:29 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
18.3 ° C (64.9°F) |
27.9 ° C (82.2°F) |
22.8 ° C (73.1°F) |
% 61 | 17% | 7 | Sunrise:05:54 AM Sunset: 07:49 PM |
Moonrise:11:48 AM Moonset: 09:54 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
18.7 ° C (65.7°F) |
30.3 ° C (86.5°F) |
24 ° C (75.2°F) |
% 56 | 57% | 8 | Sunrise:05:55 AM Sunset: 07:47 PM |
Moonrise:01:02 PM Moonset: 10:22 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
18.7 ° C (65.7°F) |
33.1 ° C (91.6°F) |
26.1 ° C (78.9°F) |
% 54 | 2% | 8 | Sunrise:05:57 AM Sunset: 07:46 PM |
Moonrise:02:13 PM Moonset: 10:56 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Patchy rain nearby |
19.9 ° C (67.9°F) |
25.1 ° C (77.1°F) |
22.7 ° C (72.9°F) |
% 66 | 74% | 6 | Sunrise:05:58 AM Sunset: 07:44 PM |
Moonrise:03:19 PM Moonset: 11:37 PM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Partly Cloudy |
17.2 ° C (63°F) |
25.6 ° C (78.1°F) |
21.4 ° C (70.6°F) |
% 66 | 9% | 7 | Sunrise:05:59 AM Sunset: 07:42 PM |
Moonrise:04:18 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
20.2 ° C (68.3°F) |
29.9 ° C (85.7°F) |
25.1 ° C (77.1°F) |
% 64 | 57% | 7 | Sunrise:06:00 AM Sunset: 07:41 PM |
Moonrise:05:07 PM Moonset: 12:27 AM Moon Phase ( Waxing Gibbous ) |
|
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