Heat Advisory

* WHAT...Temperatures up to 90 degrees F expected. Significant cooling expected overnight.

* WHERE...Tualatin Valley.

* WHEN...From 8 AM to 11 PM PDT Sunday.

* IMPACTS...Hot temperatures may cause heat illnesses.

* ADDITIONAL DETAILS...There is around 5% chance of high temperatures of 95 degrees or greater in urban areas around the Portland-Metro area. Overall Moderate HeatRisk with relieving cooling temperatures overnight. Highs will be near record breaking temperatures for this time of year.

Sunday, May 3, 11:00 PM PDT
Clear
79°
Feels 79°
 33%
Dewpt 48°
 wnw
6 - 10 mph
Sunday, May 3
Clear conditions throughout the day.
52 90 52 - 90
Monday, May 4
Clear conditions throughout the day.
55 77 55 - 77
Tuesday, May 5
Clear conditions throughout the day.
52 75 52 - 75
Wednesday, May 6
Partly cloudy throughout the day.
55 80 55 - 80
Thursday, May 7
Partly cloudy throughout the day.
50 73 50 - 73
Friday, May 8
Partly cloudy throughout the day.
52 66 52 - 66
Saturday, May 9
Partly cloudy throughout the day.
50 72 50 - 72
Sunday, May 10
Partly cloudy throughout the day.
52 77 52 - 77
Monday, May 11
Becoming cloudy in the afternoon.
54 78 54 - 78
Tuesday, May 12
Clear conditions throughout the day.
51 74 51 - 74
Wednesday, May 13
Clear conditions throughout the day.
46 76 46 - 76
Thursday, May 14
Partly cloudy throughout the day.
49 68 49 - 68
Friday, May 15
Clearing in the afternoon.
46 68 46 - 68
Saturday, May 16
Clear conditions throughout the day.
49 78 49 - 78
Sunday, May 17
Clear conditions throughout the day.
52 80 52 - 80
Weather forecast for Portland, OR on Mon, 04 May 2026 04:49:46 GMT