Castle Rock, WA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Castle Rock, WA in one place.
Sunny, with a high near 75. South southwest wind around 3 mph.
Local Weather Overview
This forecast page for Castle Rock, WA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 15, 2026 4:02 AM PDT.
The active forecast window currently covers Oct 16 to Oct 21, 2026 for Castle Rock, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 16 to Oct 21, 2026
- Latest sync
- Oct 15, 2026 4:02 AM PDT
- Forecast office
- PQR
- Source
- NOAA / NWS
Daily Outlook
This Week in Castle Rock
Friday looks like the warmest upcoming period in Castle Rock at 75 degrees F.
Saturday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Friday at about 3 mph SSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 15, 2026 4:02 AM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- PQR
- Radar station
- KRTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain and patchy fog after 11pm. Mostly cloudy, with a low around 50. South southwest wind around 2 mph. Chance of precipitation is 40%.
A chance of rain before 11am. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Patchy fog between 9pm and 2am. Partly cloudy, with a low around 37.
Mostly sunny, with a high near 62.
Mostly cloudy, with a low around 40.
A chance of rain between 11am and 5pm. Mostly cloudy, with a high near 59.
Mostly cloudy, with a low around 39.
Mostly sunny, with a high near 62.
Partly cloudy, with a low around 38.
A slight chance of rain after 5pm. Mostly sunny, with a high near 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Sunny
|
75°F |
3 mph
SSW
|
|
Friday Night
Oct 16
|
Chance Light Rain
|
50°F |
2 mph
SSW
|
|
Saturday
Oct 17
|
Chance Light Rain then Mostly Cloudy
|
64°F |
3 mph
WSW
|
|
Saturday Night
Oct 17
|
Patchy Fog
|
37°F |
3 mph
NNW
|
|
Sunday
Oct 18
|
Mostly Sunny
|
62°F |
3 mph
N
|
|
Sunday Night
Oct 18
|
Mostly Cloudy
|
40°F |
2 mph
N
|
|
Monday
Oct 19
|
Chance Light Rain
|
59°F |
2 mph
S
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
39°F |
2 mph
NW
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
62°F |
3 mph
N
|
|
Tuesday Night
Oct 20
|
Partly Cloudy
|
38°F |
3 mph
N
|
|
Wednesday
Oct 21
|
Mostly Sunny then Slight Chance Light Rain
|
63°F |
2 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Castle Rock.