Rapid City Regional Airport Weather Forecast 15 Days, Weather in RAP Today
Current weather conditions and 15 day weather forecast for Rapid City Regional Airport, 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 Rapid City Regional Airport
| 15 May 2026 Friday 10.3 ° C / 50.5°F  Clear |
Feels Like : 9.5 ° C / 49.2°F Humidity : % 33 Pressure : 1008 mb Wind Speed : 7.2 kmph / 4.5 miles from WSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Rapid City Regional Airport, SD, USA
Weather Forecast for next 15 Days for Rapid City Regional Airport 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 Rapid City Regional Airport, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 May 2026 Thursday | Sunny |
17.7 ° C (63.9°F) |
29.1 ° C (84.4°F) |
23.9 ° C (75°F) |
% 20 | 0% | 8.1 | Sunrise:05:28 AM Sunset: 08:12 PM |
Moonrise:03:50 AM Moonset: 06:00 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Sunny |
10.6 ° C (51°F) |
24.5 ° C (76.1°F) |
17.6 ° C (63.7°F) |
% 25 | 0% | 8.3 | Sunrise:05:27 AM Sunset: 08:13 PM |
Moonrise:04:15 AM Moonset: 07:23 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday |  Patchy rain nearby |
7.8 ° C (46.1°F) |
26.2 ° C (79.2°F) |
16.4 ° C (61.5°F) |
% 37 | 80% | 7.6 | Sunrise:05:26 AM Sunset: 08:14 PM |
Moonrise:04:48 AM Moonset: 08:48 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Patchy rain nearby |
5.9 ° C (42.6°F) |
17.6 ° C (63.7°F) |
12.8 ° C (55°F) |
% 62 | 87% | 5.8 | Sunrise:05:25 AM Sunset: 08:15 PM |
Moonrise:05:31 AM Moonset: 10:08 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday |  Partly Cloudy |
0.6 ° C (33°F) |
8.4 ° C (47.1°F) |
5.4 ° C (41.7°F) |
% 53 | 0% | 2.1 | Sunrise:05:24 AM Sunset: 08:16 PM |
Moonrise:06:27 AM Moonset: 11:17 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
-1.2 ° C (29.8°F) |
15.9 ° C (60.7°F) |
6.3 ° C (43.3°F) |
% 51 | 0% | 0 | Sunrise:05:23 AM Sunset: 08:17 PM |
Moonrise:07:37 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
1.7 ° C (35.1°F) |
10.5 ° C (51°F) |
6.2 ° C (43.1°F) |
% 63 | 77% | 2 | Sunrise:05:22 AM Sunset: 08:18 PM |
Moonrise:08:55 AM Moonset: 12:11 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
0.4 ° C (32.7°F) |
20.8 ° C (69.4°F) |
10.5 ° C (50.9°F) |
% 43 | 0% | 4 | Sunrise:05:21 AM Sunset: 08:19 PM |
Moonrise:10:15 AM Moonset: 12:51 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Sunny |
8.4 ° C (47.1°F) |
31.1 ° C (88°F) |
19.9 ° C (67.9°F) |
% 26 | 0% | 5 | Sunrise:05:20 AM Sunset: 08:20 PM |
Moonrise:11:33 AM Moonset: 01:21 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
10.6 ° C (51.1°F) |
25.2 ° C (77.4°F) |
18.4 ° C (65.2°F) |
% 40 | 78% | 4 | Sunrise:05:19 AM Sunset: 08:21 PM |
Moonrise:12:46 PM Moonset: 01:45 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
8.3 ° C (47°F) |
20.8 ° C (69.4°F) |
13.9 ° C (57°F) |
% 49 | 75% | 3 | Sunrise:05:18 AM Sunset: 08:22 PM |
Moonrise:01:55 PM Moonset: 02:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Sunny |
9.7 ° C (49.4°F) |
25.9 ° C (78.6°F) |
18 ° C (64.4°F) |
% 28 | 0% | 5 | Sunrise:05:17 AM Sunset: 08:23 PM |
Moonrise:03:02 PM Moonset: 02:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Sunny |
10.3 ° C (50.5°F) |
28.9 ° C (84.1°F) |
19.7 ° C (67.4°F) |
% 33 | 0% | 5 | Sunrise:05:17 AM Sunset: 08:24 PM |
Moonrise:04:08 PM Moonset: 02:41 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Sunny |
14.2 ° C (57.6°F) |
30.1 ° C (86.1°F) |
21.5 ° C (70.8°F) |
% 43 | 0% | 6 | Sunrise:05:16 AM Sunset: 08:25 PM |
Moonrise:05:14 PM Moonset: 03:00 AM Moon Phase ( Waxing Gibbous ) |
|
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