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Index, Washington Weather Forecast
Index, Washington Weather
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Weather Forecast for Index, Washington : Snohomish County
Issued: 7:01 am PST Dec 16, 2025 Latitude: 47.8206605 Longitude: -121.5551086 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
100% chance of rain on Today 100% chance of rain & snow on Tonight 100% chance of rain & snow on Wednesday 100% chance of rain on Thursday 100% chance of rain & snow on Friday Rain and Snow on Saturday Rain and Snow on Sunday Rain and Snow on Monday
High: 50°F Low: 37°F High: 41°F High: 46°F High: 40°F High: 40°F High: 42°F High: 43°F
Low: 37°F Low: 34°F Low: 34°F Low: 32°F Low: 36°F  
Rain Rain & Snow Rain & Snow Rain Rain & Snow Rain and Snow Rain and Snow Rain and Snow
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Current Conditions at
EVERETT - (KPAE)
48°
Feels like 41°F
Cloudy
Light Rain
as of 10:53 AM PST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 8 Miles
Pressure: 29.84 in.
Flight Rule: IFR
Wind Data
17 MPH
Gust: 26 MPH
170° South
Cloud Level(s): Broken at 900ft, Broken at 1600ft, Solid Overcast at 4000ft
Current Conditions at
ARLINGTON MUNICIPAL - (KAWO)
50°
Feels like 44°F
Cloudy
Light Rain
as of 10:56 AM PST
Rel. Humidity: 100%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: MVFR
Wind Data
16 MPH
Gust: 22 MPH
150° Southeast
Cloud Level(s): Few at 800ft, Broken at 1600ft, Solid Overcast at 2400ft
Current Conditions at
RENTON - (KRNT)
54°
Cloudy
as of 10:53 AM PST
Rel. Humidity: 81%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: MVFR
Wind Data
8 MPH
160° South
Cloud Level(s): Solid Overcast at 2800ft
Current Conditions at
STAMPEDE PASS - (KSMP)
37°
Cloudy
Fog
as of 10:56 AM PST
Rel. Humidity: 100%
Dew Point: 37°F
Visibility: 1/4 Miles
Pressure: 29.89 in.
Flight Rule: IFR
Wind Data
Calm
Cloud Level(s): Few at 400ft, Solid Overcast at 1700ft
100% chance of rain Today Today... Rain. Patchy fog. High near 50. Calm wind becoming southwest 5 to 9 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

100% chance of rain & snow Tonight Tonight... Rain before 1am, then rain, possibly mixed with snow. The rain could be heavy at times. Patchy fog before 11pm. Low around 37. South southwest wind 13 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

100% chance of rain & snow Wednesday Wednesday... Rain, possibly mixed with snow, becoming all rain after 4pm. High near 41. West southwest wind 3 to 7 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

100% chance of rain & snow Wednesday Night Wednesday Night... Rain before 10pm, then rain, possibly mixed with snow between 10pm and 1am, then rain after 1am. Low around 37. Light south wind. Chance of precipitation is 100%. Little or no snow accumulation expected.

100% chance of rain Thursday Thursday... Rain. High near 46. South southeast wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

100% chance of rain & snow Thursday Night Thursday Night... Rain, possibly mixed with snow. Low around 34. Chance of precipitation is 100%. Little or no snow accumulation expected.

100% chance of rain & snow Friday Friday... Rain, possibly mixed with snow. High near 40. Chance of precipitation is 100%. Little or no snow accumulation expected.

Rain and Snow on Friday Night Friday Night... Rain and snow. Cloudy, with a low around 34.

Rain and Snow on Saturday Saturday... Rain, possibly mixed with snow. Cloudy, with a high near 40.

Rain and Snow on Saturday Night Saturday Night... Rain, possibly mixed with snow. Mostly cloudy, with a low around 32.

Rain and Snow on Sunday Sunday... Rain and snow. Mostly cloudy, with a high near 42.

Rain and Snow on Sunday Night Sunday Night... Rain, possibly mixed with snow. Cloudy, with a low around 36.

Rain and Snow on Monday Monday... Rain, possibly mixed with snow. Mostly cloudy, with a high near 43.

Current Radar Image


Sun Almanac for Index, Washington
Sunrise: 07:50 AM
Sunset: 4:14 PM
Civil Sunrise:07:14 AM
Civil Sunset: 4:51 PM
Nautical Sunrise: 06:34 AM
Nautical Sunset: 5:30 PM
Astro Sunrise: 05:56 AM
Astro Sunset: 6:08 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.