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Summit, Washington Weather Forecast
Summit, Washington Weather
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Weather Forecast for Summit, Washington : Pierce County
Issued: 1:25 am PST Dec 16, 2025 Latitude: 47.1617666 Longitude: -122.3570651 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: 55°F High: 46°F High: 51°F High: 45°F High: 44°F High: 47°F High: 47°F
Low: 40°F Low: 40°F Low: 37°F Low: 37°F Low: 35°F Low: 38°F  
Rain Rain Rain Rain Rain Rain Rain Rain & Snow
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Current Conditions at
PIERCE CNTY A/P - (KPLU)
48°
Mostly Cloudy
as of 5:35 AM PST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 1800ft, Scattered at 2300ft, Broken at 3600ft
Current Conditions at
MCCHORD AFB - (KTCM)
50°
Cloudy
as of 5:20 AM PST
Rel. Humidity: 93%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: MVFR
Wind Data
6 MPH
200° South
Cloud Level(s): Few at 700ft, Scattered at 1200ft, Solid Overcast at 2200ft
Current Conditions at
FORT LEWIS - (KGRF)
50°
Cloudy
as of 4:51 AM PST
Rel. Humidity: 93%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: MVFR
Wind Data
5 MPH
120° Southeast
Cloud Level(s): Few at 1100ft, Broken at 2300ft, Solid Overcast at 3700ft
Current Conditions at
SEATTLE-TACOMA - (KSEA)
48°
Cloudy
as of 4:53 AM PST
Rel. Humidity: 93%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: MVFR
Wind Data
5 MPH
180° South
Cloud Level(s): Few at 800ft, Solid Overcast at 1500ft
50% chance of rain Overnight Overnight... A 50 percent chance of rain. Mostly cloudy, with a low around 45. South wind around 9 mph.
100% chance of rain Tuesday Tuesday... Rain. Patchy fog before 3pm, then patchy fog after 5pm. High near 55. South southwest wind 13 to 21 mph, with gusts as high as 28 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. Breezy, with a south southwest wind 23 to 29 mph, with gusts as high as 38 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 46. 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 40. South wind 8 to 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. 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 47.
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 Summit, Washington
Sunrise: 07:50 AM
Sunset: 4:20 PM
Civil Sunrise:07:15 AM
Civil Sunset: 4:56 PM
Nautical Sunrise: 06:36 AM
Nautical Sunset: 5:35 PM
Astro Sunrise: 05:59 AM
Astro Sunset: 6:12 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.