National Weather Service Forecast for: Maple Valley, WA
Issued by: National Weather Service Seattle/Tacoma, WA
Updated: Sun, 20-Sep-2026 12:25am PDT

Maple Valley
 
Today

Today: Patchy Fog then Sunny
Patchy Fog then Sunny
Monday

Monday: Areas Of Fog then Mostly Cloudy
Areas Of Fog then Mostly Cloudy
Tuesday

Tuesday: Mostly Cloudy
Mostly Cloudy
Wednesday

Wednesday: Mostly Cloudy
Mostly Cloudy
Thursday

Thursday: Mostly Cloudy then Slight Chance Light Rain
Mostly Cloudy then Slight Chance Light Rain
Friday

Friday: Chance Light Rain
Chance Light Rain
Saturday

Saturday: Partly Sunny
Partly Sunny
 
Hi 74 °F Hi 71 °F Hi 67 °F Hi 65 °F Hi 63 °F Hi 61 °F Hi 62 °F  
 
Tonight

Tonight: Mostly Clear then Patchy Fog
Mostly Clear then Patchy Fog
Monday
Night
Monday Night: Partly Cloudy
Partly Cloudy
Tuesday
Night
Tuesday Night: Mostly Cloudy
Mostly Cloudy
Wednesday
Night
Wednesday Night: Mostly Cloudy
Mostly Cloudy
Thursday
Night
Thursday Night: Chance Light Rain
Chance Light Rain
Friday
Night
Friday Night: Chance Light Rain
Chance Light Rain
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
 
Lo 50 °F Lo 50 °F Lo 49 °F Lo 46 °F Lo 48 °F Lo 45 °F Lo 44 °F  

 

Today
 
Patchy fog before 9am. Sunny, with a high near 74. Northwest wind around 2 mph.
Tonight
 
Patchy fog after 2am. Mostly clear, with a low around 50. North wind around 1 mph.
Monday
 
Areas of fog before 9am. Mostly cloudy, with a high near 71. Northwest wind around 1 mph.
Monday Night
 
Partly cloudy, with a low around 50. East wind around 2 mph.
Tuesday
 
Mostly cloudy, with a high near 67. Southwest wind around 1 mph.
Tuesday Night
 
Mostly cloudy, with a low around 49.
Wednesday
 
Mostly cloudy, with a high near 65.
Wednesday Night
 
Mostly cloudy, with a low around 46.
Thursday
 
A slight chance of rain after 5pm. Mostly cloudy, with a high near 63.
Thursday Night
 
A chance of rain. Cloudy, with a low around 48.
Friday
 
A chance of rain. Mostly cloudy, with a high near 61.
Friday Night
 
A chance of rain before 5am. Mostly cloudy, with a low around 45.
Saturday
 
Partly sunny, with a high near 62.
Saturday Night
 
Partly cloudy, with a low around 44.

 

Forecast from NOAA-NWS for Maple Valley, WA.