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City of Castle Rock, WashingtonCastle Rock, WA 14 Day Weather - 98611 WeatherWorld.com
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Castle Rock, WA Weather Forecast
Castle Rock, WA Weather Forecast Dated: 945 PM Tue Sep 01 2026 (Castle Rock Time)
Expect a mild stretch with a mix of sun and clouds and frequent chances of rain over the next two weeks. generally humid conditions and no major pressure swings will dominate.
Tuesday, September 1, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
70°F 21°C
Cloudy
Early-Evening
66°F 19°C
Overcast
Pleasant near 70°F 21°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.
Wednesday, September 2, 2026
Mid-Morning
57°F 14°C
Scattered Showers
Mid-Afternoon
55°F 13°C
Light Showers
Early-Evening
53°F 12°C
Scattered Showers
Cool and brisk at 55°F 13°C, scattered downpours possible, with increasing humidity and steady pressure. Winds turning from the S to the SSE at 5 mph 8 km/h.
Thursday, September 3, 2026
Mid-Morning
52°F 11°C
Overcast
Mid-Afternoon
64°F 18°C
Scattered Showers
Early-Evening
55°F 13°C
Overcast
Comfortable at 64°F 18°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds switching from the S to the ENE at 1 mph 2 km/h.
Friday, September 4, 2026
Mid-Morning
55°F 13°C
Scattered Showers
Mid-Afternoon
62°F 16°C
Light Showers
Early-Evening
57°F 14°C
Light Showers
Cool with a high near 62°F 16°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure.
Saturday, September 5, 2026
Mid-Morning
52°F 11°C
Light Fog
Mid-Afternoon
62°F 17°C
Overcast
Early-Evening
67°F 19°C
Sunny
Refreshing around 62°F 17°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.
Sunday, September 6, 2026
Mid-Morning
59°F 15°C
Cloudy
Mid-Afternoon
79°F 26°C
Partly Cloudy
Early-Evening
67°F 20°C
Overcast
Pleasant near 79°F 26°C, overcast in the morning, partly cloudy in the afternoon, and cloudy this evening, with lower humidity and steady pressure.
Monday, September 7, 2026
Mid-Morning
58°F 15°C
Partly Cloudy
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
61°F 16°C
Sunny
Comfortable with temperatures reaching 75°F 24°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds moving from the SSW to the WSW at 7 mph 10 km/h.
Tuesday, September 8, 2026
Mid-Morning
58°F 15°C
Overcast
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
61°F 16°C
Sunny
Enjoyable around 68°F 20°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure.
Wednesday, September 9, 2026
Mid-Morning
56°F 13°C
Scattered Showers
Mid-Afternoon
66°F 19°C
Scattered Showers
Early-Evening
56°F 14°C
Sunny
Refreshing around 66°F 19°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds swinging from the SW to the W at 4 mph 7 km/h.
Thursday, September 10, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
71°F 21°C
Sunny
Early-Evening
58°F 15°C
Sunny
Mild with a high of 71°F 21°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling.
Friday, September 11, 2026
Mid-Morning
58°F 14°C
Scattered Showers
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
61°F 16°C
Sunny
Pleasant near 71°F 22°C, scattered downpours possible, with steady humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
56°F 14°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
68°F 20°C
Sunny
Comfortable with temperatures reaching 77°F 25°C, sunny throughout the day, with lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
74°F 23°C
Overcast
Quite warm around 86°F 30°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
64°F 18°C
Sunny
Mild temperatures up to 79°F 26°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Castle Rock, WA Weather Radar Map
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