Castle Rock, WA Weather Forecast

Local 7-day forecast

80°
F

Patchy Fog then Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Castle Rock, WA in one place.

Saturday, July 18, 2026
Wind: 1 to 7 mph NNW
Saturday

Patchy fog before 7am. Mostly sunny, with a high near 80. North northwest wind 1 to 7 mph.

Local 7-day forecast

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: Jul 16, 2026 8:54 PM PDT.

The active forecast window currently covers Jul 18 to Jul 23, 2026 for Castle Rock, WA.

Page Snapshot

Page focus
city weather
Forecast window
Jul 18 to Jul 23, 2026
Latest sync
Jul 16, 2026 8:54 PM PDT
Forecast office
PQR
Source
NOAA / NWS
Next High
80°F
Saturday
Next Low
53°F
Saturday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
1 to 7 mph
Saturday

Daily Outlook

Today
Jul 18
Patchy Fog then Mostly Sunny
80 °F
/ 53°F
Wind 1 to 7 mph
Sun
Jul 19
Sunny
85 °F
/ 54°F
Wind 2 to 6 mph
Mon
Jul 20
Partly Sunny
89 °F
/ 58°F
Wind 3 mph
Tue
Jul 21
Mostly Sunny
89 °F
/ 58°F
Wind 0 to 3 mph
Wed
Jul 22
Mostly Sunny
88 °F
/ 57°F
Wind 1 to 6 mph
Thu
Jul 23
Sunny
85 °F
Wind 1 to 6 mph

This Week in Castle Rock

Monday looks like the warmest upcoming period in Castle Rock at 89 degrees F.

Saturday Night is the coolest period ahead with temperatures near 53 degrees F.

The strongest winds are forecast for Saturday at about 1 to 7 mph NNW.

The forecast from Jul 18 through Jul 23 stays mostly dry.

Forecast Details

Last updated
Jul 16, 2026 8:54 PM 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 source

Extended Forecast

Saturday Night
Jul 18
53°F
Mostly Clear
2 to 7 mph NW

Mostly clear, with a low around 53. Northwest wind 2 to 7 mph.

Sunday
Jul 19
85°F
Sunny
2 to 6 mph NNW

Sunny, with a high near 85.

Sunday Night
Jul 19
54°F
Partly Cloudy
2 to 6 mph NNW

Partly cloudy, with a low around 54.

Monday
Jul 20
89°F
Partly Sunny
3 mph NNW

Partly sunny, with a high near 89.

Monday Night
Jul 20
58°F
Mostly Cloudy
3 mph NW

Mostly cloudy, with a low around 58.

Tuesday
Jul 21
89°F
Mostly Sunny
0 to 3 mph NW

Mostly sunny, with a high near 89.

Tuesday Night
Jul 21
58°F
Partly Cloudy
3 mph WNW

Partly cloudy, with a low around 58.

Wednesday
Jul 22
88°F
Mostly Sunny
1 to 6 mph WNW

Mostly sunny, with a high near 88.

Wednesday Night
Jul 22
57°F
Mostly Clear
1 to 6 mph WNW

Mostly clear, with a low around 57.

Thursday
Jul 23
85°F
Sunny
1 to 6 mph WNW

Sunny, with a high near 85.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Jul 18
Patchy Fog then Mostly Sunny
80°F
1 to 7 mph
NNW
Saturday Night
Jul 18
Mostly Clear
53°F
2 to 7 mph
NW
Sunday
Jul 19
Sunny
85°F
2 to 6 mph
NNW
Sunday Night
Jul 19
Partly Cloudy
54°F
2 to 6 mph
NNW
Monday
Jul 20
Partly Sunny
89°F
3 mph
NNW
Monday Night
Jul 20
Mostly Cloudy
58°F
3 mph
NW
Tuesday
Jul 21
Mostly Sunny
89°F
0 to 3 mph
NW
Tuesday Night
Jul 21
Partly Cloudy
58°F
3 mph
WNW
Wednesday
Jul 22
Mostly Sunny
88°F
1 to 6 mph
WNW
Wednesday Night
Jul 22
Mostly Clear
57°F
1 to 6 mph
WNW
Thursday
Jul 23
Sunny
85°F
1 to 6 mph
WNW
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.