Castle Rock, WA Weather Forecast
Local 7-day forecast
Chance Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Castle Rock, WA in one place.
A chance of rain after 11am. Partly sunny, with a high near 65.
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: Apr 15, 2026 11:49 AM PDT.
The active forecast window currently covers Apr 18 to Apr 21, 2026 for Castle Rock, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 11:49 AM PDT
- Forecast office
- PQR
- Source
- NOAA / NWS
Daily Outlook
This Week in Castle Rock
Monday looks like the warmest upcoming period in Castle Rock at 70 degrees F.
Saturday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Saturday at about 2 to 7 mph SE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 11:49 AM PDT
- Coverage
- 5 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. Mostly cloudy, with a low around 46.
Rain likely. Mostly cloudy, with a high near 67.
A chance of rain. Mostly cloudy, with a low around 46.
A chance of rain. Partly sunny, with a high near 70.
A slight chance of rain. Partly cloudy, with a low around 46.
A chance of rain. Partly sunny, with a high near 66.
A chance of rain. Mostly cloudy, with a low around 46.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Chance Light Rain
|
65°F |
2 to 7 mph
SE
|
|
Saturday Night
Apr 18
|
Chance Light Rain
|
46°F |
6 mph
SE
|
|
Sunday
Apr 19
|
Light Rain Likely
|
67°F |
6 mph
NNE
|
|
Sunday Night
Apr 19
|
Chance Light Rain
|
46°F |
6 mph
NNW
|
|
Monday
Apr 20
|
Chance Light Rain
|
70°F |
6 mph
NNW
|
|
Monday Night
Apr 20
|
Slight Chance Light Rain
|
46°F |
2 to 6 mph
WNW
|
|
Tuesday
Apr 21
|
Chance Light Rain
|
66°F |
2 to 7 mph
W
|
|
Tuesday Night
Apr 21
|
Chance Light Rain
|
46°F |
3 to 7 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Castle Rock.