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
| 16 August 2026 Sunday 10.9 ° C / 51.6°F  Partly Cloudy |
Feels Like : 10.7 ° C / 51.3°F Humidity : % 92 Pressure : 1022 mb Wind Speed : 3.6 kmph / 2.2 miles from SW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 30 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 16 August 2026 Sunday |  Sunny |
9.2 ° C (48.5°F) |
28.4 ° C (83.2°F) |
17.6 ° C (63.7°F) |
% 69 | 6% | 6.5 | Sunrise:06:12 AM Sunset: 08:19 PM |
Moonrise:11:05 AM Moonset: 09:50 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
9.1 ° C (48.3°F) |
29.3 ° C (84.7°F) |
17.9 ° C (64.2°F) |
% 69 | 5% | 6 | Sunrise:06:13 AM Sunset: 08:18 PM |
Moonrise:12:23 PM Moonset: 10:12 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
9.2 ° C (48.6°F) |
25.8 ° C (78.5°F) |
16.3 ° C (61.3°F) |
% 74 | 11% | 7 | Sunrise:06:14 AM Sunset: 08:16 PM |
Moonrise:01:39 PM Moonset: 10:38 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday |  Fog |
9.7 ° C (49.5°F) |
23.1 ° C (73.6°F) |
15.4 ° C (59.8°F) |
% 83 | 22% | 6 | Sunrise:06:15 AM Sunset: 08:14 PM |
Moonrise:02:52 PM Moonset: 11:10 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
9.3 ° C (48.8°F) |
29.6 ° C (85.2°F) |
18.3 ° C (65°F) |
% 73 | 10% | 7 | Sunrise:06:17 AM Sunset: 08:13 PM |
Moonrise:03:59 PM Moonset: 11:51 PM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
9.8 ° C (49.6°F) |
26.3 ° C (79.3°F) |
17.7 ° C (63.8°F) |
% 75 | 9% | 7 | Sunrise:06:18 AM Sunset: 08:11 PM |
Moonrise:04:58 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday |  Patchy rain nearby |
8.9 ° C (48°F) |
22.6 ° C (72.6°F) |
14.9 ° C (58.9°F) |
% 81 | 23% | 6 | Sunrise:06:19 AM Sunset: 08:09 PM |
Moonrise:05:46 PM Moonset: 12:41 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
9.9 ° C (49.7°F) |
28.9 ° C (84.1°F) |
17.9 ° C (64.2°F) |
% 68 | 7% | 7 | Sunrise:06:20 AM Sunset: 08:07 PM |
Moonrise:06:25 PM Moonset: 01:39 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday | Sunny |
10.1 ° C (50.1°F) |
31.5 ° C (88.6°F) |
19.4 ° C (67°F) |
% 62 | 4% | 8 | Sunrise:06:22 AM Sunset: 08:05 PM |
Moonrise:06:55 PM Moonset: 02:43 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 August 2026 Tuesday | Sunny |
11 ° C (51.8°F) |
28.7 ° C (83.6°F) |
18.1 ° C (64.6°F) |
% 71 | 8% | 7 | Sunrise:06:23 AM Sunset: 08:04 PM |
Moonrise:07:18 PM Moonset: 03:50 AM Moon Phase ( Full Moon ) |
|
| 26 August 2026 Wednesday | Sunny |
9.1 ° C (48.4°F) |
26.2 ° C (79.2°F) |
16.3 ° C (61.4°F) |
% 72 | 9% | 7 | Sunrise:06:24 AM Sunset: 08:02 PM |
Moonrise:07:38 PM Moonset: 04:57 AM Moon Phase ( Full Moon ) |
|
| 27 August 2026 Thursday | Sunny |
8.8 ° C (47.8°F) |
24.6 ° C (76.3°F) |
15.4 ° C (59.8°F) |
% 70 | 10% | 6 | Sunrise:06:25 AM Sunset: 08:00 PM |
Moonrise:07:55 PM Moonset: 06:04 AM Moon Phase ( Full Moon ) |
|
| 28 August 2026 Friday | Sunny |
6.5 ° C (43.6°F) |
25.1 ° C (77.3°F) |
15 ° C (59°F) |
% 65 | 5% | 7 | Sunrise:06:27 AM Sunset: 07:58 PM |
Moonrise:08:10 PM Moonset: 07:10 AM Moon Phase ( Full Moon ) |
|
| 29 August 2026 Saturday | Sunny |
7.5 ° C (45.4°F) |
28.3 ° C (82.9°F) |
16.5 ° C (61.7°F) |
% 64 | 4% | 7 | Sunrise:06:28 AM Sunset: 07:56 PM |
Moonrise:08:25 PM Moonset: 08:16 AM Moon Phase ( Waning Gibbous ) |
|
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