National Weather Service Forecast for: Happy Valley OR
Issued by: National Weather Service Portland, OR
Updated: 6:41 am PDT May 29, 2026
 
Today

Today: A 20 percent chance of showers before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 64. West northwest wind 9 to 11 mph.
Slight Chance
Showers then
Partly Sunny
 Tonight

Tonight: Increasing clouds, with a low around 45. Breezy, with a northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Partly Cloudy
and Breezy
then Mostly
Cloudy
 Saturday

Saturday: Partly sunny, with a high near 65. Light and variable wind becoming northwest 5 to 9 mph in the morning.
Partly Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 45. Breezy, with a northwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 21 mph.
Mostly Clear
and Breezy
then Mostly
Clear
 Sunday

Sunday: Sunny, with a high near 70. Light west wind becoming north northwest 5 to 9 mph in the afternoon.
Sunny

 Sunday
Night
Sunday Night: Clear, with a low around 47.
Clear

 Monday

Monday: Sunny, with a high near 83.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 56.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 89.
Sunny
Hi 64 °F Lo 45 °F Hi 65 °F Lo 45 °F Hi 70 °F Lo 47 °F Hi 83 °F Lo 56 °F Hi 89 °F

 

Today
 
 A 20 percent chance of showers before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 64. West northwest wind 9 to 11 mph.
Tonight
 
 Increasing clouds, with a low around 45. Breezy, with a northwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Saturday
 
 Partly sunny, with a high near 65. Light and variable wind becoming northwest 5 to 9 mph in the morning.
Saturday Night
 
 Mostly clear, with a low around 45. Breezy, with a northwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 21 mph.
Sunday
 
 Sunny, with a high near 70. Light west wind becoming north northwest 5 to 9 mph in the afternoon.
Sunday Night
 
 Clear, with a low around 47.
Monday
 
 Sunny, with a high near 83.
Monday Night
 
 Mostly clear, with a low around 56.
Tuesday
 
 Sunny, with a high near 89.
Tuesday Night
 
 Partly cloudy, with a low around 59.
Wednesday
 
 Partly sunny, with a high near 79.
Wednesday Night
 
 Partly cloudy, with a low around 54.
Thursday
 
 Sunny, with a high near 77.

 

Forecast from NOAA-NWS for Happy Valley OR.