National Weather Service Forecast for: Happy Valley OR
Issued by: National Weather Service Portland, OR
Updated: 10:41 am PDT Oct 6, 2026
 
Today

Today: Sunny, with a high near 73. North northwest wind 3 to 5 mph.
Sunny

 Tonight

Tonight: Clear, with a low around 50. Light north wind.
Clear

 Wednesday

Wednesday: Sunny, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 51. Light north wind.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 79. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 52.
Mostly Clear

 Friday

Friday: Mostly sunny, with a high near 69.
Mostly Sunny

 Friday
Night
Friday Night: A slight chance of rain after 11pm. Partly cloudy, with a low around 48.
Slight Chance
Rain
 Saturday

Saturday: A slight chance of rain before 11am. Partly sunny, with a high near 60.
Slight Chance
Rain then
Partly Sunny
Hi 73 °F Lo 50 °F Hi 77 °F Lo 51 °F Hi 79 °F Lo 52 °F Hi 69 °F Lo 48 °F Hi 60 °F

 

Today
 
 Sunny, with a high near 73. North northwest wind 3 to 5 mph.
Tonight
 
 Clear, with a low around 50. Light north wind.
Wednesday
 
 Sunny, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
 
 Mostly clear, with a low around 51. Light north wind.
Thursday
 
 Sunny, with a high near 79. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 52.
Friday
 
 Mostly sunny, with a high near 69.
Friday Night
 
 A slight chance of rain after 11pm. Partly cloudy, with a low around 48.
Saturday
 
 A slight chance of rain before 11am. Partly sunny, with a high near 60.
Saturday Night
 
 Partly cloudy, with a low around 45.
Sunday
 
 Mostly sunny, with a high near 64.
Sunday Night
 
 Mostly clear, with a low around 44.
Columbus Day
 
 Sunny, with a high near 67.

 

Forecast from NOAA-NWS for Happy Valley OR.