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Rainier, Washington Weather Forecast
Rainier, Washington Weather
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Weather Forecast for Rainier, Washington : Thurston County
Issued: 1:25 am PST Dec 16, 2025 Latitude: 46.888155 Longitude: -122.6884595 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
60% chance of rain on Overnight 100% chance of rain on Tuesday 90% chance of rain on Wednesday 100% chance of rain on Thursday Rain on Friday Rain on Saturday 70% chance of rain on Sunday 70% chance of rain & snow on Monday
Low: 45°F High: 55°F High: 47°F High: 51°F High: 45°F High: 44°F High: 46°F High: 47°F
Low: 40°F Low: 39°F Low: 37°F Low: 36°F Low: 35°F Low: 38°F  
Rain Rain Rain Rain Rain Rain Rain Rain & Snow
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Current Conditions at
OLYMPIA - (KOLM)
46°
Cloudy
as of 1:02 AM PST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Broken at 2500ft, Solid Overcast at 3500ft
Current Conditions at
FORT LEWIS - (KGRF)
48°
Cloudy
as of 12:55 AM PST
Rel. Humidity: 87%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
5 MPH
140° Southeast
Cloud Level(s): Solid Overcast at 4200ft
Current Conditions at
CHEHALIS-CENTRALIA - (KCLS)
50°
Cloudy
as of 1:15 AM PST
Rel. Humidity: 100%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
5 MPH
200° South
Cloud Level(s): Scattered at 2900ft, Broken at 3500ft, Solid Overcast at 6500ft
Current Conditions at
MCCHORD AFB - (KTCM)
48°
Cloudy
as of 12:55 AM PST
Rel. Humidity: 87%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 4300ft, Solid Overcast at 5500ft
60% chance of rain Overnight Overnight... Rain likely, mainly between 3am and 4am. Mostly cloudy, with a low around 45. South southwest wind around 7 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain Tuesday Tuesday... Rain. Patchy fog before 10am, then patchy fog after noon. High near 55. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
100% chance of thunderstorms Tuesday Night Tuesday Night... Rain and possibly a thunderstorm before 1am, then rain likely. Patchy fog before 11pm. Low around 40. Windy, with a south southwest wind 25 to 31 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
90% chance of rain Wednesday Wednesday... Rain. High near 47. Southwest wind 10 to 15 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.
90% chance of rain Wednesday Night Wednesday Night... Rain. Low around 39. South wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
100% chance of rain Thursday Thursday... Rain. High near 51. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
90% chance of rain Thursday Night Thursday Night... Rain. Low around 37. Chance of precipitation is 90%.
Rain on Friday Friday... Rain. Cloudy, with a high near 45.
Rain on Friday Night Friday Night... Rain. Mostly cloudy, with a low around 36.
Rain on Saturday Saturday... Rain. Mostly cloudy, with a high near 44.
70% chance of rain Saturday Night Saturday Night... Rain likely. Mostly cloudy, with a low around 35.
70% chance of rain Sunday Sunday... Rain likely. Mostly cloudy, with a high near 46.
Rain and Snow on Sunday Night Sunday Night... Rain, possibly mixed with snow. Mostly cloudy, with a low around 38.
70% chance of rain & snow Monday Monday... Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 47.
Current Radar Image


Sun Almanac for Rainier, Washington
Sunrise: 07:51 AM
Sunset: 4:23 PM
Civil Sunrise:07:15 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 06:36 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 05:59 AM
Astro Sunset: 6:14 PM
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