Portland, OR 14-Day Forecast
Oregon, United States 🇺🇸
65°
Partly Cloudy right now
Today: high 83°, low 60°
Updated 3 hours ago
Portland weather for the next 14 days
Thursday, August 27
Sunny High 82° Low 60°Precipitation
4%
· 0.0 in
Max wind
12 mph
Humidity
56%
UV index
6 - High
Sunrise / sunset
06:26 AM / 07:58 PM
Friday, August 28
Sunny High 80° Low 58°Precipitation
3%
· 0.0 in
Max wind
10 mph
Humidity
57%
UV index
7 - High
Sunrise / sunset
06:27 AM / 07:56 PM
Saturday, August 29
Sunny High 76° Low 57°Precipitation
18%
· 0.01 in
Max wind
11 mph
Humidity
55%
UV index
6 - High
Sunrise / sunset
06:28 AM / 07:54 PM
Sunday, August 30
Sunny High 77° Low 53°Precipitation
3%
· 0.0 in
Max wind
8 mph
Humidity
55%
UV index
7 - High
Sunrise / sunset
06:29 AM / 07:52 PM
Monday, August 31
Overcast High 79° Low 55°Precipitation
8%
· 0.0 in
Max wind
7 mph
Humidity
53%
UV index
6 - High
Sunrise / sunset
06:31 AM / 07:51 PM
Tuesday, September 1
Overcast High 70° Low 59°Precipitation
36%
· 0.01 in
Max wind
8 mph
Humidity
59%
UV index
5 - Moderate
Sunrise / sunset
06:32 AM / 07:49 PM
Wednesday, September 2
Overcast High 60° Low 56°Precipitation
19%
· 0.0 in
Max wind
5 mph
Humidity
66%
UV index
5 - Moderate
Sunrise / sunset
06:33 AM / 07:47 PM
Thursday, September 3
Sunny High 72° Low 52°Precipitation
8%
· 0.0 in
Max wind
9 mph
Humidity
61%
UV index
6 - High
Sunrise / sunset
06:34 AM / 07:45 PM
Friday, September 4
Sunny High 72° Low 51°Precipitation
17%
· 0.0 in
Max wind
9 mph
Humidity
63%
UV index
6 - High
Sunrise / sunset
06:35 AM / 07:43 PM
Saturday, September 5
Sunny High 74° Low 54°Precipitation
7%
· 0.0 in
Max wind
7 mph
Humidity
58%
UV index
6 - High
Sunrise / sunset
06:37 AM / 07:41 PM
Sunday, September 6
Sunny High 79° Low 53°Precipitation
2%
· 0.0 in
Max wind
9 mph
Humidity
48%
UV index
7 - High
Sunrise / sunset
06:38 AM / 07:39 PM
Monday, September 7
Sunny High 81° Low 58°Precipitation
1%
· 0.0 in
Max wind
10 mph
Humidity
31%
UV index
7 - High
Sunrise / sunset
06:39 AM / 07:37 PM
Tuesday, September 8
Sunny High 98° Low 69°Precipitation
1%
· 0.0 in
Max wind
5 mph
Humidity
32%
UV index
9 - Very High
Sunrise / sunset
06:40 AM / 07:36 PM
Portland 14-day outlook: the story
The warmest day of Portland's 14-day outlook is Tuesday, September 8 with a high near 98°F (37°C); the coolest night comes Friday, September 4, dipping to 51°F (11°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 78°F (26°C), about 6°F (3°C) below the typical August high of 84°F (29°C).
No day in the outlook currently carries a strong precipitation signal. For the weekend, expect Saturday 76°F (24°C) and sunny / Sunday 77°F (25°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?
No day in the current 14-day outlook shows a strong rain signal for Portland.
What will be the warmest day in Portland over the next 14 days?
Tuesday, September 8, 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