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South Bay, Washington Weather Forecast
South Bay, Washington Weather
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Weather Forecast for South Bay, Washington : Thurston County
Issued: 1:25 am PST Dec 16, 2025 Latitude: 47.080374 Longitude: -122.8459707 View on Google Maps

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Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
50% 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: 54°F High: 47°F High: 51°F High: 45°F High: 44°F High: 45°F High: 47°F
Low: 41°F Low: 40°F Low: 37°F Low: 37°F Low: 36°F Low: 38°F  
Rain Rain Rain Rain Rain Rain Rain Rain & Snow
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Current Conditions at
OLYMPIA - (KOLM)
48°
Cloudy
Light Rain
as of 3:54 AM PST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 8 Miles
Pressure: 30.05 in.
Flight Rule: MVFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Broken at 1900ft, Solid Overcast at 2800ft
Current Conditions at
FORT LEWIS - (KGRF)
50°
Feels like 45°F
Cloudy
as of 3:55 AM PST
Rel. Humidity: 93%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
10 MPH
140° Southeast
Cloud Level(s): Few at 1400ft, Scattered at 2500ft, Solid Overcast at 4300ft
Current Conditions at
SHELTON - (KSHN)
46°
Cloudy
as of 3:53 AM PST
Rel. Humidity: 100%
Dew Point: 46°F
Visibility: 8 Miles
Pressure: 30.02 in.
Flight Rule: IFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 800ft
Current Conditions at
MCCHORD AFB - (KTCM)
50°
Cloudy
as of 3:55 AM PST
Rel. Humidity: 93%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: MVFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Scattered at 900ft, Broken at 2100ft, Solid Overcast at 2700ft
50% chance of rain Overnight Overnight... A 50 percent chance of rain. Mostly cloudy, with a low around 45. South wind around 10 mph.
100% chance of rain Tuesday Tuesday... Rain. Patchy fog before 10am, then patchy fog after 11am. High near 54. South southwest wind 15 to 20 mph, with gusts as high as 26 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 41. Windy, with a south southwest wind 26 to 32 mph, with gusts as high as 41 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 16 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
90% chance of rain Wednesday Night Wednesday Night... Rain. Low around 40. South wind around 10 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. Mostly cloudy, with a high near 45.
Rain on Friday Night Friday Night... Rain. Mostly cloudy, with a low around 37.
Rain on Saturday Saturday... Rain. Cloudy, with a high near 44.
70% chance of rain Saturday Night Saturday Night... Rain likely. Mostly cloudy, with a low around 36.
70% chance of rain Sunday Sunday... Rain likely. Mostly cloudy, with a high near 45.
70% chance of rain & snow Sunday Night Sunday Night... Rain likely, 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 South Bay, Washington
Sunrise: 07:52 AM
Sunset: 4:23 PM
Civil Sunrise:07:16 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 06:38 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 06:00 AM
Astro Sunset: 6:14 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.