National Weather Service Forecast for: Maple Valley, WA
Issued by: National Weather Service Seattle/Tacoma, WA
Updated: Tue, 12-May-2026 2:36am PDT

Maple Valley
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The zone forecast data for WAZ308 (Foothills and Valleys of Pierce and Southern King Counties) will be displayed
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If this persists, contact the NWS Seattle/Tacoma, WA WFO
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Today

Mostly Sunny
Mostly Sunny
Wednesday

Rain likely
Rain likely
Thursday

Chance rain
Chance rain
Friday

Thunder storm
Thunder storm
Saturday

Thunder storm
Thunder storm
Sunday

Partly Sunny
Partly Sunny
Monday

Chance rain
Chance rain
Hi ≈80°F Hi ≈60°F Hi ≈63°F Hi ≈57°F Hi ≈57°F Hi <65°F Hi ≈67°F
 
Tonight

Rain likely
Rain likely
Wednesday
Night
Chance rain
Chance rain
Thursday
Night
Chance rain
Chance rain
Friday
Night
Chance rain
Chance rain
Saturday
Night
Chance rain
Chance rain
Sunday
Night
Mostly Cloudy
Mostly Cloudy
 
Lo ≈50°F Lo ≈47°F Lo ≈45°F Lo <45°F Lo <45°F Lo ≈43°F  

 

Today
 
Mostly sunny. Highs near 80. Light wind becoming west to 10 mph in the afternoon.
Tonight
 
Mostly cloudy. A slight chance of rain late in the evening. A chance of rain after midnight, then rain likely in the morning. Rainfall amounts less than a tenth of an inch likely. Lows near 50. Southwest wind to 10 mph.
Wednesday
 
Rain at times in the morning, then rain likely in the afternoon. Rainfall amounts a quarter to a half inch possible. Highs near 60. Southwest wind to 10 mph increasing to 10 to 15 mph in the afternoon. Gusts to 30 mph.
Wednesday Night
 
Mostly cloudy. A chance of rain in the evening, then a slight chance of rain after midnight. Lows in the mid to upper 40s. Southwest wind 10 to 15 mph. Gusts to 30 mph.
Thursday
 
Partly sunny with a slight chance of rain. Highs in the lower to mid 60s. Southwest wind to 10 mph. Gusts to 20 mph in the morning.
Thursday Night
 
Mostly cloudy with a chance of rain. Lows in the mid 40s.
Friday
 
Mostly cloudy with a chance of rain in the morning, then mostly cloudy with showers likely and a slight chance of thunderstorms in the afternoon. Highs in the mid to upper 50s.
Friday Night
 
Mostly cloudy with rain at times in the evening, then mostly cloudy with a chance of rain after midnight. Lows in the lower 40s.
Saturday
 
Mostly cloudy with a chance of rain in the morning, then mostly cloudy with showers likely and a slight chance of thunderstorms in the afternoon. Highs in the mid to upper 50s.
Saturday Night
 
Mostly cloudy. A chance of rain in the evening. Lows in the lower 40s.
Sunday
 
Partly sunny. Highs in the lower 60s.
Sunday Night
 
Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower to mid 40s.
Monday
 
Partly sunny with a slight chance of rain. Highs in the mid to upper 60s.

 

Forecast from NOAA-NWS for Maple Valley, WA. (Zone forecast for Foothills and Valleys of Pierce and Southern King Counties)