Castle Rock Weather Forecast 15 Days, Weather in Castle Rock Today
Current weather conditions and 15 day weather forecast for Castle Rock, Washington, 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 Rock
| 11 May 2026 Monday 11.7 ° C / 53.1°F  Overcast |
Feels Like : 12.1 ° C / 53.8°F Humidity : % 86 Pressure : 1023 mb Wind Speed : 3.6 kmph / 2.2 miles from N  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Castle Rock, WA, USA
Weather Forecast for next 15 Days for Castle Rock 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 Rock, Washington 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 May 2026 Monday |  Sunny |
9.3 ° C (48.8°F) |
23.9 ° C (75°F) |
15.4 ° C (59.8°F) |
% 68 | 0% | 6.7 | Sunrise:05:43 AM Sunset: 08:33 PM |
Moonrise:03:11 AM Moonset: 02:34 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday | Sunny |
6.7 ° C (44°F) |
29.2 ° C (84.5°F) |
17.3 ° C (63.1°F) |
% 60 | 0% | 6.7 | Sunrise:05:42 AM Sunset: 08:35 PM |
Moonrise:03:28 AM Moonset: 03:49 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday |  Patchy rain nearby |
10.6 ° C (51°F) |
29.7 ° C (85.4°F) |
18.6 ° C (65.5°F) |
% 68 | 84% | 5.9 | Sunrise:05:41 AM Sunset: 08:36 PM |
Moonrise:03:46 AM Moonset: 05:06 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday |  Moderate rain |
5.6 ° C (42.1°F) |
16.4 ° C (61.5°F) |
11.5 ° C (52.7°F) |
% 92 | 89% | 7.5 | Sunrise:05:40 AM Sunset: 08:37 PM |
Moonrise:04:06 AM Moonset: 06:28 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
5.5 ° C (41.9°F) |
20 ° C (68°F) |
11.1 ° C (51.9°F) |
% 75 | 69% | 0 | Sunrise:05:39 AM Sunset: 08:38 PM |
Moonrise:04:29 AM Moonset: 07:54 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday |  Partly Cloudy |
4.4 ° C (40°F) |
18.5 ° C (65.3°F) |
11.4 ° C (52.5°F) |
% 62 | 0% | 4 | Sunrise:05:37 AM Sunset: 08:39 PM |
Moonrise:05:00 AM Moonset: 09:22 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Partly Cloudy |
3.3 ° C (38°F) |
19.5 ° C (67°F) |
10.7 ° C (51.3°F) |
% 66 | 0% | 4 | Sunrise:05:36 AM Sunset: 08:41 PM |
Moonrise:05:42 AM Moonset: 10:43 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Overcast |
2.9 ° C (37.2°F) |
15.5 ° C (59.9°F) |
9.8 ° C (49.7°F) |
% 71 | 0% | 2 | Sunrise:05:35 AM Sunset: 08:42 PM |
Moonrise:06:38 AM Moonset: 11:51 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
3.5 ° C (38.3°F) |
16.3 ° C (61.3°F) |
11.2 ° C (52.2°F) |
% 80 | 89% | 3 | Sunrise:05:34 AM Sunset: 08:43 PM |
Moonrise:07:49 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Partly Cloudy |
2.4 ° C (36.3°F) |
19.7 ° C (67.5°F) |
11 ° C (51.8°F) |
% 64 | 0% | 4 | Sunrise:05:33 AM Sunset: 08:44 PM |
Moonrise:09:09 AM Moonset: 12:42 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
2.9 ° C (37.2°F) |
21.1 ° C (70°F) |
12.1 ° C (53.7°F) |
% 66 | 0% | 4 | Sunrise:05:32 AM Sunset: 08:45 PM |
Moonrise:10:31 AM Moonset: 01:20 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Sunny |
4.3 ° C (39.7°F) |
21.1 ° C (70°F) |
12.1 ° C (53.7°F) |
% 63 | 0% | 4 | Sunrise:05:31 AM Sunset: 08:46 PM |
Moonrise:11:51 AM Moonset: 01:47 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday |  Cloudy |
2.4 ° C (36.2°F) |
13 ° C (55.4°F) |
8.6 ° C (47.4°F) |
% 74 | 0% | 2 | Sunrise:05:30 AM Sunset: 08:47 PM |
Moonrise:01:06 PM Moonset: 02:09 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Partly Cloudy |
3.6 ° C (38.5°F) |
18 ° C (64.3°F) |
11.2 ° C (52.1°F) |
% 65 | 0% | 4 | Sunrise:05:29 AM Sunset: 08:49 PM |
Moonrise:02:17 PM Moonset: 02:26 AM Moon Phase ( Waxing Gibbous ) |
|
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