url:
Grand Mound, Washington Weather Forecast
Grand Mound, Washington Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

Click for Flood Watch for Grand Mound, Washington
Click for Wind Advisory for Grand Mound, Washington
Click for Special Weather Statement for Grand Mound, Washington
Click for High Wind Watch for Grand Mound, Washington
Change location by the zip code or city,state: or search for other weather forecast locations in Washington by name.
Weather Forecast for Grand Mound, Washington : Thurston County
Issued: 1:25 am PST Dec 15, 2025 Latitude: 46.7878787 Longitude: -123.0112469 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
100% chance of thunderstorms on Overnight 90% chance of thunderstorms on Monday 100% chance of rain on Tuesday 90% chance of rain on Wednesday Rain on Thursday Rain on Friday Rain on Saturday 70% chance of rain on Sunday
Low: 51°F High: 59°F High: 55°F High: 48°F High: 50°F High: 46°F High: 45°F High: 45°F
Low: 44°F Low: 39°F Low: 39°F Low: 37°F Low: 36°F Low: 35°F  
Thunderstorms Thunderstorms Rain Rain Rain Rain Rain Rain
-
Current Conditions at
CHEHALIS-CENTRALIA - (KCLS)
54°
Cloudy
as of 2:15 AM PST
Rel. Humidity: 93%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: MVFR
Wind Data
14 MPH
Gust: 21 MPH
160° South
Cloud Level(s): Broken at 3000ft, Solid Overcast at 3400ft
Current Conditions at
OLYMPIA - (KOLM)
54°
Cloudy
as of 1:54 AM PST
Rel. Humidity: 71%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
12 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 3200ft
Current Conditions at
FORT LEWIS - (KGRF)
55°
Cloudy
as of 1:55 AM PST
Rel. Humidity: 82%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
8 MPH
120° Southeast
Cloud Level(s): Solid Overcast at 3300ft
Current Conditions at
SHELTON - (KSHN)
48°
Cloudy
Light Rain Mist
as of 1:53 AM PST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 4 Miles
Pressure: 29.85 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 2600ft
100% chance of thunderstorms Overnight Overnight... Rain before 4am, then showers and possibly a thunderstorm after 4am. Steady temperature around 51. South wind 15 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
90% chance of thunderstorms Monday Monday... Rain and thunderstorms before 4pm, then rain and possibly a thunderstorm between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm. High near 59. Breezy, with a south wind 20 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
90% chance of rain Monday Night Monday Night... Rain, mainly after 1am. Low around 44. South wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain Tuesday Tuesday... Rain. High near 55. South wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
100% chance of rain Tuesday Night Tuesday Night... Rain. Low around 39. Breezy, with a west southwest wind 25 to 29 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
90% chance of rain Wednesday Wednesday... Rain before 11am, then showers, mainly after 11am. High near 48. Breezy. 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... Showers, mainly before 3am, then rain after 3am. Low around 39. Chance of precipitation is 90%.
Rain on Thursday Thursday... Rain. Cloudy, with a high near 50.
Rain on Thursday Night Thursday Night... Rain. Cloudy, with a low around 37.
Rain on Friday Friday... Rain. Cloudy, with a high near 46.
Rain on Friday Night Friday Night... Rain. Cloudy, with a low around 36.
Rain on Saturday Saturday... Rain. Cloudy, with a high near 45.
Rain on Saturday Night Saturday Night... Rain. Mostly cloudy, with a low around 35.
70% chance of rain Sunday Sunday... Rain likely. Mostly cloudy, with a high near 45.
Current Radar Image


Sun Almanac for Grand Mound, Washington
Sunrise: 07:51 AM
Sunset: 4:24 PM
Civil Sunrise:07:15 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 06:37 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 06:00 AM
Astro Sunset: 6:15 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.