Castle Rock, WA Weather


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The most pleasant months of the year for Castle Rock are August, July and September. In Castle Rock, there are 4 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for Castle Rock with an average high temperature of 78.3°, which ranks it as about average compared to other places in Washington. December is the snowiest month in Castle Rock with 1.2 inches of snow, and 3 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.

Today's Weather - Castle Rock, WA

9 PM PST

Rain Showers

50°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TonightRain Showers46° / 56°S 8 mph
Friday NightRain Showers45° / 55°SSW 7 mph
Saturday NightRain Showers45° / 57°S 6 to 9 mph
Sunday NightRain Showers39° / 56°WSW 5 to 13 mph
Monday NightChance Rain Showers37° / 62°SW 5 to 12 mph
Tuesday NightChance Rain Showers44° / 61°S 6 to 9 mph
Wednesday NightChance Rain Showers42° / 59°SSW 8 to 12 mph

Weather Highlights

Summer High: the July high is around 77 degrees
Winter Low: the January low is 34
Rain: averages 61 inches of rain a year
Snow: averages 3 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Castle Rock area is 9 (10=best), which means it is more comfortable than most places in Washington.

9 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January47° 34°
February51° 34°
March56° 37°
April60° 39°
May66° 44°
June71° 48°
July77° 52°
August78° 51°
September74° 47°
October63° 42°
November52° 37°
December45° 33°
Hot, Freezing, Rainy, Snowy Days: Castle Rock
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January012211
February011170
March07200
April03180
May01150
June10120
July2060
August2060
September1190
October03150
November07210
December013211

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

Reviews for Castle Rock
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Over 13 years ago

As a whole I rate the education system as a negative. Alot of the teachers do not notify you of your childs progress especiallt if they are behind. We found out how  More

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