National Weather Service Forecast for: Marysville WA
Issued by: National Weather Service Seattle, WA
Updated: 8:01 pm PDT Aug 10, 2025
 
Tonight

Tonight: Mostly clear, with a low around 62. Calm wind.
Mostly Clear
Monday

Monday: Sunny, with a high near 87. Light northwest wind increasing to 5 to 10 mph in the morning.
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 62. North northwest wind around 6 mph becoming calm  in the evening.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 90. Calm wind becoming west northwest around 6 mph in the afternoon.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 60. North northwest wind 3 to 6 mph.
Mostly Clear
Wednesday

Wednesday: Partly sunny, with a high near 78.
Partly Sunny
Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 57.
Mostly Cloudy
Thursday

Thursday: Mostly cloudy, with a high near 76.
Mostly Cloudy
Thursday
Night
Thursday Night: A slight chance of showers after 11pm.  Mostly cloudy, with a low around 57.
Slight Chance
Showers
Lo 62 °F Hi 87 °F Lo 62 °F Hi 90 °F Lo 60 °F Hi 78 °F Lo 57 °F Hi 76 °F Lo 57 °F

Heat Advisory
 

Tonight
 
Mostly clear, with a low around 62. Calm wind.
Monday
 
Sunny, with a high near 87. Light northwest wind increasing to 5 to 10 mph in the morning.
Monday Night
 
Mostly clear, with a low around 62. North northwest wind around 6 mph becoming calm in the evening.
Tuesday
 
Sunny, with a high near 90. Calm wind becoming west northwest around 6 mph in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 60. North northwest wind 3 to 6 mph.
Wednesday
 
Partly sunny, with a high near 78.
Wednesday Night
 
Mostly cloudy, with a low around 57.
Thursday
 
Mostly cloudy, with a high near 76.
Thursday Night
 
A slight chance of showers after 11pm. Mostly cloudy, with a low around 57.
Friday
 
A chance of showers. Mostly cloudy, with a high near 72.
Friday Night
 
A chance of showers. Mostly cloudy, with a low around 60.
Saturday
 
A chance of showers. Mostly cloudy, with a high near 76.
Saturday Night
 
A chance of showers. Mostly cloudy, with a low around 58.
Sunday
 
A slight chance of showers. Partly sunny, with a high near 76.

 

Forecast from NOAA-NWS for Marysville WA.