National Weather Service Forecast for: Milwaukie OR
Issued by: National Weather Service Portland, OR
Updated: 7:41 pm PDT Aug 10, 2025
 
Tonight

Tonight: Clear, with a low around 67. North wind 5 to 7 mph becoming calm  after midnight.
Clear
Monday

Monday: Sunny, with a high near 99. Heat index values as high as 104. Calm wind becoming north northwest around 6 mph in the afternoon.
Sunny
Monday
Night
Monday Night: Clear, with a low around 69. North northwest wind around 6 mph becoming calm  in the evening.
Clear
Tuesday

Tuesday: Sunny, with a high near 97. Calm wind becoming northwest around 5 mph in the afternoon.
Sunny
Tuesday
Night
Tuesday Night: Clear, with a low around 63. Northwest wind 3 to 6 mph.
Clear
Wednesday

Wednesday: Sunny, with a high near 84.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 58.
Mostly Clear
Thursday

Thursday: Mostly sunny, with a high near 79.
Mostly Sunny
Thursday
Night
Thursday Night: Increasing clouds, with a low around 59.
Increasing
Clouds
Lo 67 °F Hi 99 °F Lo 69 °F Hi 97 °F Lo 63 °F Hi 84 °F Lo 58 °F Hi 79 °F Lo 59 °F

Extreme Heat Warning
 

Tonight
 
Clear, with a low around 67. North wind 5 to 7 mph becoming calm after midnight.
Monday
 
Sunny, with a high near 99. Heat index values as high as 104. Calm wind becoming north northwest around 6 mph in the afternoon.
Monday Night
 
Clear, with a low around 69. North northwest wind around 6 mph becoming calm in the evening.
Tuesday
 
Sunny, with a high near 97. Calm wind becoming northwest around 5 mph in the afternoon.
Tuesday Night
 
Clear, with a low around 63. Northwest wind 3 to 6 mph.
Wednesday
 
Sunny, with a high near 84.
Wednesday Night
 
Mostly clear, with a low around 58.
Thursday
 
Mostly sunny, with a high near 79.
Thursday Night
 
Increasing clouds, with a low around 59.
Friday
 
A slight chance of rain. Partly sunny, with a high near 76.
Friday Night
 
A chance of rain. Mostly cloudy, with a low around 62.
Saturday
 
A slight chance of rain. Partly sunny, with a high near 78.
Saturday Night
 
A slight chance of rain. Mostly cloudy, with a low around 61.
Sunday
 
Partly sunny, with a high near 76.

 

Forecast from NOAA-NWS for Milwaukie OR.