Cosmopolis, WA Weather Forecast and Current Conditions

WEATHER ALERTS - Flood Watch - High Wind Warning - Special Weather Statement

Current Conditions From Nearby Local Station

Cloudy with Light Rain 55°F
Feels Like 55°F  
Humidity 87% Dew Point 51°F Wind WSW 7 MPH Gusts 16 Barometer 29.36 in.
Report from a MADIS/MESONET weather station 2.7 mi. E of central Cosmopolis
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Point Forecast at a Glance

TueDec 16
Tue Dec 16: Thunderstorms, Low 41F
100%
 
41
WedDec 17
Wed Dec 17: Thunderstorms, High 48F, Low 40F
90%
48
40
ThuDec 18
Thu Dec 18: Rain, High 53F, Low 39F
100%
53
39
FriDec 19
Fri Dec 19: Thunderstorms, High 46F, Low 39F
100%
46
39
SatDec 20
Sat Dec 20: Rain, High 45F, Low 37F
50%
45
37
SunDec 21
Sun Dec 21: Rain, High 47F, Low 40F
50%
47
40
MonDec 22
Mon Dec 22: Rain, High 47F, Low 38F
50%
47
38

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7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 45°F to 53°F. Unsettled weather expected with rain likely on at least 7 days.

Climate Context

This week's forecast shows temperatures running 1°F above the historical average for December. Normal highs for this period are around 46°F with lows around 35°F.

This Date in Weather History

1835 - New England experienced one of their coldest days of record. At noon on that bitterly cold Wednesday the mercury stood at four degrees below at Boston, 15 degrees below at Norfolk CT, and 17 degrees below at Hanover NH. The temperature at Boston was 12 degrees below zero by sunset. Gale force winds accompanied the severe cold, and that night a great New York City fire destroyed much of the financial district.

More on this and other weather history

Cosmopolis, WA 7 Day Weather Forecast Details

Tuesday Dec 16

Thunderstorms

Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 41. Breezy, with a west wind 18 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Dec 17

Thunderstorms

Day: Showers and thunderstorms before 8am, then showers and possibly a thunderstorm, mainly after 8am. High near 48. West wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Rain

Night: Rain. Low around 40. South wind around 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Dec 18

Rain

Day: Rain. High near 53. Southeast wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Rain

Night: Rain. Low around 39. West wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Dec 19

Thunderstorms

Day: Showers and possibly a thunderstorm. High near 46. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Rain

Night: Rain. Low around 39. Chance of precipitation is 100%.

Saturday Dec 20

Rain

Day: Rain. Cloudy, with a high near 45.

Rain

Night: Rain. Cloudy, with a low around 37.

Sunday Dec 21

Rain

Day: Rain. Cloudy, with a high near 47.

Rain

Night: Rain. Cloudy, with a low around 40.

Monday Dec 22

Rain

Day: Rain. Cloudy, with a high near 47.

Snow

Night: Rain, possibly mixed with snow. Mostly cloudy, with a low around 38.

Tuesday Dec 23

Snow

Day: Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 46.


About Cosmopolis, WA

Cosmopolis is a city in Grays Harbor County, Washington, United States. The population was 1,638 at the 2020 census. It lies on the Chehalis River and U.S. Route 101, immediately southeast of Aberdeen. Cosmopolis historically had an economy that centered around its pulp mill, which closed in 2006.

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.