Portland, OR 14-Day Forecast
Oregon, United States 🇺🇸
77°
Sunny right now
Today: high 98°, low 60°
Updated 10 min ago
Portland weather for the next 14 days
Friday, August 7
Sunny High 93° Low 62°Precipitation
1%
· 0.0 in
Max wind
11 mph
Humidity
34%
UV index
8 - Very High
Sunrise / sunset
06:01 AM / 08:31 PM
Saturday, August 8
Sunny High 88° Low 59°Precipitation
1%
· 0.0 in
Max wind
12 mph
Humidity
44%
UV index
8 - High
Sunrise / sunset
06:03 AM / 08:29 PM
Sunday, August 9
Sunny High 89° Low 56°Precipitation
2%
· 0.0 in
Max wind
10 mph
Humidity
50%
UV index
8 - High
Sunrise / sunset
06:04 AM / 08:28 PM
Monday, August 10
Sunny High 88° Low 57°Precipitation
2%
· 0.0 in
Max wind
11 mph
Humidity
50%
UV index
8 - Very High
Sunrise / sunset
06:05 AM / 08:26 PM
Tuesday, August 11
Sunny High 84° Low 60°Precipitation
5%
· 0.0 in
Max wind
10 mph
Humidity
60%
UV index
7 - High
Sunrise / sunset
06:06 AM / 08:25 PM
Wednesday, August 12
Sunny High 82° Low 57°Precipitation
5%
· 0.0 in
Max wind
10 mph
Humidity
59%
UV index
7 - High
Sunrise / sunset
06:07 AM / 08:23 PM
Thursday, August 13
Sunny High 85° Low 55°Precipitation
3%
· 0.0 in
Max wind
8 mph
Humidity
57%
UV index
7 - High
Sunrise / sunset
06:09 AM / 08:22 PM
Friday, August 14
Sunny High 89° Low 58°Precipitation
2%
· 0.0 in
Max wind
7 mph
Humidity
53%
UV index
8 - Very High
Sunrise / sunset
06:10 AM / 08:20 PM
Saturday, August 15
Sunny High 88° Low 62°Precipitation
2%
· 0.0 in
Max wind
9 mph
Humidity
51%
UV index
8 - Very High
Sunrise / sunset
06:11 AM / 08:18 PM
Sunday, August 16
Patchy rain nearby High 73° Low 59°Precipitation
63%
· 0.1 in
Max wind
9 mph
Humidity
68%
UV index
5 - Moderate
Sunrise / sunset
06:12 AM / 08:17 PM
Monday, August 17
Patchy rain nearby High 69° Low 54°Precipitation
44%
· 0.03 in
Max wind
7 mph
Humidity
66%
UV index
6 - High
Sunrise / sunset
06:13 AM / 08:15 PM
Tuesday, August 18
Partly Cloudy High 70° Low 54°Precipitation
5%
· 0.0 in
Max wind
5 mph
Humidity
58%
UV index
6 - High
Sunrise / sunset
06:15 AM / 08:13 PM
Wednesday, August 19
Sunny High 84° Low 59°Precipitation
3%
· 0.0 in
Max wind
8 mph
Humidity
45%
UV index
7 - High
Sunrise / sunset
06:16 AM / 08:12 PM
Portland 14-day outlook: the story
The warmest day of Portland's 14-day outlook is Thursday, August 6 with a high near 98°F (37°C); the coolest night comes Monday, August 17, dipping to 54°F (12°C). The trend points cooler: week two runs about 9°F below week one. Highs over the next two weeks average 89°F (32°C), about 5°F (3°C) above the typical August high of 84°F (29°C).
Precipitation is most likely on Sunday 16; the wettest day looks like Sunday, August 16 with about 0.1 in (2.6 mm) expected. For the weekend, expect Saturday 88°F (31°C) and sunny / Sunday 89°F (32°C) and sunny.
For typical conditions month by month, see the Portland climate & average temperatures guide.
Portland forecast questions
Will it rain in Portland this week?
The forecast currently shows meaningful precipitation chances on 1 of the next 14 days, peaking around Sunday, August 16.
What will be the warmest day in Portland over the next 14 days?
Thursday, August 6, with a forecast high near 98°F (37°C).
How accurate is a 14-day forecast for Portland?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Portland by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 47° | 36° | 19 | 7.5 in | 4.1 h/day | 85% |
| February | 48° | 35° | 16 | 5.9 in | 5.2 h/day | 83% |
| March | 54° | 38° | 17 | 5.4 in | 7.4 h/day | 80% |
| April | 59° | 42° | 15 | 4.4 in | 8.9 h/day | 76% |
| May | 67° | 48° | 11 | 2.8 in | 10.1 h/day | 73% |
| June | 75° | 53° | 8 | 2.2 in | 12.0 h/day | 66% |
| July | 83° | 58° | 2 | 0.3 in | 13.2 h/day | 58% |
| August | 84° | 59° | 3 | 0.5 in | 12.1 h/day | 59% |
| September | 75° | 54° | 8 | 2.5 in | 9.9 h/day | 68% |
| October | 63° | 47° | 12 | 5.4 in | 7.1 h/day | 79% |
| November | 52° | 40° | 17 | 7.5 in | 5.1 h/day | 84% |
| December | 46° | 36° | 19 | 8.9 in | 3.8 h/day | 86% |
14-day forecasts nearby