Portland weather live forecast

Today's maximum temperature in Portland is expected to be 30°C. Select a day from the live weather forecast for Portland, Oregon, USA for more weather parameters.

Monday
3rd Aug
30

15

14

7
Tuesday
4th Aug
35

18

14

6
Wednesday
5th Aug
38

20

15

6
Thursday
6th Aug
36

21

15

6
Friday
7th Aug
32

19

15

7

5-day weather forecast updated at 04:00 on Monday 3rd August 2026 GMT

More about Portland

Portland by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Oregon

Intrepid Travel discount code: £200 off small group tours

Discount Code

Save EXTRA £200 on select small group tours worldwide
Min spend of £1,500 per person. T&Cs apply
Travel before 30th June 2027 (inclusive)

Show discount code

******011

Redeem Intrepid Travel discount code >>

Expires at 23:59 on Monday 31st Aug 2026 · View all Intrepid Travel offers

The 5-day weather forecast for Oregon (Portland) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Portland weather forecast by day

Below are the detailed weather forecasts for Portland for the next 5 days.

Portland weather for Monday 3rd August 2026

Expect clear skies in Portland, Oregon with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

30
°C maximum temperature
15
°C minimum temperature
clear skies
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from N

Portland weather for Tuesday 4th August 2026

Expect clear skies in Portland, Oregon with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 6 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north.

35
°C maximum temperature
18
°C minimum temperature
clear skies
14
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
11
kph wind from N

Portland weather for Wednesday 5th August 2026

Expect clear skies in Portland, Oregon with a maximum temperature of 38°C, high levels of heat & humidity, maximum UV of 6 (High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north.

38
°C maximum temperature
20
°C minimum temperature
clear skies
15
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
6
kph wind from N

Portland weather for Thursday 6th August 2026

Expect clear skies in Portland, Oregon with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 6 (High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-west.

36
°C maximum temperature
21
°C minimum temperature
clear skies
15
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
7
kph wind from NW

Portland weather for Friday 7th August 2026

Expect clear skies in Portland, Oregon with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.