Castle Rock, WA Weather Forecast and Current Conditions

WEATHER ALERTS - Flood Watch - Wind Advisory

Current Conditions From Nearby Local Station

Cloudy 45°F
Feels Like 45°F  
Humidity 93% Dew Point 43°F Wind SSW 1 MPH Gusts 6 Barometer N/A
Report from a MADIS/MESONET weather station 0.8 mi. ESE of central Castle Rock
at

Point Forecast at a Glance

WedDec 17
Wed Dec 17: Showers Likely, Low 42F
100%
 
42
ThuDec 18
Thu Dec 18: Rain, High 54F, Low 38F
100%
54
38
FriDec 19
Fri Dec 19: Rain, High 45F, Low 37F
100%
45
37
SatDec 20
Sat Dec 20: Showers, High 46F, Low 39F
100%
46
39
SunDec 21
Sun Dec 21: Rain, High 46F, Low 39F
50%
46
39
MonDec 22
Mon Dec 22: Rain, High 46F, Low 38F
50%
46
38
TueDec 23
Tue Dec 23: Rain, High 46F, Low 34F
50%
46
34

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7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 45°F to 54°F. Unsettled weather expected with rain on most days, including one day with snow.

Climate Context

This week's forecast shows temperatures running 2°F above the historical average for December. Normal highs for this period are around 45°F with lows around 33°F.

This Date in Weather History

1929 - An icestorm in western New York State resulted in much damage and hardship. A Buffalo report stated, "one was kept awake by the breaking limbs, which snapped off with a report much louder than a rifle shot."

More on this and other weather history

Castle Rock, WA 7 Day Weather Forecast Details

Wednesday Dec 17

Showers Likely

Night: Showers likely before midnight, then rain, mainly after 1am. Steady temperature around 42. South wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Dec 18

Rain

Day: Rain. High near 54. South wind 7 to 9 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Rain

Night: Rain. Low around 38. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday Dec 19

Rain

Day: Rain. Snow level 2100 feet. High near 45. Light south southwest wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Showers

Night: Showers. Low around 37. Light south wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Dec 20

Showers

Day: Showers. High near 46. Chance of precipitation is 100%.

Rain Likely

Night: Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.

Sunday Dec 21

Rain

Day: Rain. Cloudy, with a high near 46.

Rain

Night: Rain. Cloudy, with a low around 39.

Monday Dec 22

Rain

Day: Rain. Mostly cloudy, with a high near 46.

Rain Likely

Night: Rain likely. Mostly cloudy, with a low around 38.

Tuesday Dec 23

Rain

Day: A chance of rain. Mostly cloudy, with a high near 46.

Rain

Night: A chance of rain. Mostly cloudy, with a low around 34.

Wednesday Dec 24

Rain

Day: A chance of rain. Snow level 2200 feet. Mostly cloudy, with a high near 44.


About Castle Rock, WA

Castle Rock is a city in Cowlitz County, Washington, United States. Located between the Willapa Hills and the western base of Mount St. Helens, Castle Rock is at the heart of Washington timber country in the Pacific temperate rain forest. Castle Rock is part of the Longview, Washington Metropolitan Statistical Area; the population was 2,446 as of the 2020 census.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.