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Sine, Washington Weather Forecast
Sine, Washington Weather
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Weather Forecast for Sine, Washington : Grays Harbor County
Issued: 1:25 am PST Dec 15, 2025 Latitude: 47.0314847 Longitude: -123.264597 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
100% chance of rain on Overnight 90% chance of thunderstorms on Monday 100% chance of thunderstorms on Tuesday 90% chance of rain on Wednesday Rain on Thursday Rain on Friday Rain on Saturday 70% chance of rain & snow on Sunday
Low: 48°F High: 56 °F High: 54°F High: 47°F High: 48°F High: 45°F High: 44°F High: 44°F
Low: 43°F Low: 39°F Low: 39°F Low: 37°F Low: 35°F Low: 35°F  
Rain Thunderstorms Thunderstorms Rain Rain Rain Rain Rain & Snow
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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
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
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
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
100% chance of rain Overnight Overnight... Rain. Low around 48. Breezy, with a south wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

90% chance of thunderstorms Monday Monday... Showers and thunderstorms before 4pm, then rain and possibly a thunderstorm, mainly after 4pm. Temperature rising to near 56 by 11am, then falling to around 48 during the remainder of the day. Breezy, with a south southwest wind 24 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

100% chance of rain Monday Night Monday Night... Rain, mainly after midnight. Low around 43. South wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

100% chance of thunderstorms Tuesday Tuesday... Rain before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain and possibly a thunderstorm after 4pm. Some of the storms could produce heavy rainfall. High near 54. Southwest wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

100% chance of rain Tuesday Night Tuesday Night... Rain. The rain could be heavy at times. Low around 39. Windy, with a west wind 31 to 34 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

90% chance of rain Wednesday Wednesday... Rain before 11am, then showers after 11am. High near 47. Windy. 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... Showers before 3am, then rain after 3am. Low around 39. Chance of precipitation is 90%.

Rain on Thursday Thursday... Rain. Cloudy, with a high near 48.

Rain on Thursday Night Thursday Night... Rain. Cloudy, with a low around 37.

Rain on Friday Friday... Rain. Cloudy, with a high near 45.

Rain on Friday Night Friday Night... Rain. Cloudy, with a low around 35.

Rain on Saturday Saturday... Rain. Cloudy, with a high near 44.

Rain and Snow on Saturday Night Saturday Night... Rain, possibly mixed with snow. Cloudy, with a low around 35.

70% chance of rain & snow Sunday Sunday... Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 44.

Current Radar Image


Sun Almanac for Sine, Washington
Sunrise: 07:53 AM
Sunset: 4:24 PM
Civil Sunrise:07:17 AM
Civil Sunset: 5:00 PM
Nautical Sunrise: 06:38 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 06:01 AM
Astro Sunset: 6:16 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.