Portland, OR Hourly Forecast
Portland temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 4 PM - around 88°
- Coolest hour: 6 AM - around 59°
- Rain risk: low all day (peaks at 7%)
- UV peak: 1 PM at index 7 - sun protection recommended
- Windiest: 8 PM at 6 mph
Portland hourly weather - Sunday, August 16
In Portland, expect a high near 86°F (30°C) around 5 PM and a low of 68°F (20°C) near 11 PM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 5 PM | Sunny | 86° | 84° | 1% | 2 mph WNW | 23% | 2 | |
| 6 PM | Sunny | 85° | 82° | 1% | 3 mph NNW | 24% | 1 | |
| 7 PM | Sunny | 82° | 79° | 1% | 5 mph N | 29% | 0 | |
| 8 PM | Sunny | 77° | 73° | 1% | 6 mph NNW | 36% | 0 | |
| 9 PM | Clear | 73° | 70° | 2% | 6 mph NNW | 44% | 0 | |
| 10 PM | Clear | 70° | 68° | 2% | 4 mph NNW | 49% | 0 | |
| 11 PM | Clear | 68° | 66° | 3% | 4 mph NNW | 53% | 0 |
Portland hourly weather - Monday, August 17
In Portland, expect a high near 88°F (31°C) around 5 PM and a low of 59°F (15°C) near 6 AM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 66° | 64° | 3% | 3 mph NNW | 56% | 0 | |
| 1 AM | Clear | 65° | 63° | 4% | 3 mph NNW | 59% | 0 | |
| 2 AM | Clear | 63° | 62° | 4% | 3 mph NNW | 62% | 0 | |
| 3 AM | Clear | 62° | 61° | 6% | 3 mph N | 66% | 0 | |
| 4 AM | Clear | 61° | 60° | 7% | 2 mph N | 68% | 0 | |
| 5 AM | Clear | 60° | 60° | 7% | 2 mph N | 70% | 0 | |
| 6 AM | Clear | 59° | 59° | 7% | 2 mph N | 73% | 0 | |
| 7 AM | Sunny | 60° | 58° | 7% | 3 mph N | 73% | 0 | |
| 8 AM | Sunny | 62° | 61° | 5% | 2 mph N | 66% | 1 | |
| 9 AM | Sunny | 66° | 65° | 3% | 3 mph NNW | 57% | 2 | |
| 10 AM | Sunny | 71° | 69° | 2% | 3 mph NNW | 49% | 3 | |
| 11 AM | Sunny | 75° | 74° | 1% | 3 mph NW | 42% | 4 | |
| 12 PM | Sunny | 79° | 78° | 1% | 3 mph WNW | 36% | 6 | |
| 1 PM | Sunny | 83° | 81° | 1% | 3 mph W | 31% | 7 | |
| 2 PM | Sunny | 85° | 83° | 1% | 3 mph W | 27% | 6 | |
| 3 PM | Sunny | 87° | 84° | 1% | 3 mph SW | 24% | 5 | |
| 4 PM | Sunny | 88° | 84° | 1% | 4 mph SW | 22% | 3 | |
| 5 PM | Sunny | 88° | 86° | 1% | 3 mph WSW | 21% | 2 | |
| 6 PM | Sunny | 87° | 82° | 1% | 6 mph NW | 22% | 1 | |
| 7 PM | Sunny | 82° | 77° | 1% | 9 mph NW | 29% | 0 | |
| 8 PM | Sunny | 77° | 72° | 1% | 8 mph NW | 37% | 0 | |
| 9 PM | Clear | 73° | 69° | 1% | 6 mph NW | 45% | 0 | |
| 10 PM | Clear | 69° | 67° | 3% | 4 mph NW | 53% | 0 | |
| 11 PM | Clear | 67° | 67° | 3% | 2 mph WNW | 58% | 0 |
Portland hourly weather - Tuesday, August 18
In Portland, expect a high near 84°F (29°C) around 4 PM and a low of 59°F (15°C) near 6 AM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 65° | 65° | 4% | 2 mph NW | 63% | 0 | |
| 1 AM | Clear | 64° | 64° | 5% | 1 mph WNW | 66% | 0 | |
| 2 AM | Clear | 62° | 63° | 6% | 0 mph WNW | 70% | 0 | |
| 3 AM | Clear | 61° | 62° | 7% | 0 mph ESE | 74% | 0 | |
| 4 AM | Clear | 60° | 60° | 8% | 1 mph ENE | 76% | 0 | |
| 5 AM | Clear | 59° | 60° | 9% | 1 mph E | 78% | 0 | |
| 6 AM | Partly Cloudy | 59° | 59° | 11% | 1 mph ESE | 80% | 0 | |
| 7 AM | Partly Cloudy | 59° | 59° | 12% | 1 mph SE | 80% | 0 | |
| 8 AM | Partly Cloudy | 61° | 61° | 12% | 2 mph SSE | 74% | 1 | |
| 9 AM | Partly Cloudy | 65° | 64° | 8% | 2 mph S | 66% | 2 | |
| 10 AM | Partly Cloudy | 68° | 68° | 6% | 2 mph SSW | 57% | 3 | |
| 11 AM | Partly Cloudy | 73° | 72° | 4% | 2 mph WSW | 48% | 5 | |
| 12 PM | Sunny | 76° | 74° | 1% | 3 mph W | 41% | 6 | |
| 1 PM | Sunny | 78° | 76° | 1% | 3 mph WNW | 34% | 7 | |
| 2 PM | Sunny | 81° | 78° | 0% | 4 mph WNW | 30% | 6 | |
| 3 PM | Sunny | 83° | 80° | 0% | 3 mph WNW | 26% | 5 | |
| 4 PM | Sunny | 84° | 80° | 1% | 4 mph NW | 23% | 4 | |
| 5 PM | Sunny | 84° | 78° | 1% | 8 mph NW | 22% | 2 | |
| 6 PM | Sunny | 82° | 74° | 0% | 12 mph NNW | 24% | 1 | |
| 7 PM | Sunny | 78° | 71° | 1% | 11 mph NNW | 31% | 0 | |
| 8 PM | Sunny | 73° | 67° | 1% | 9 mph NNW | 42% | 0 | |
| 9 PM | Clear | 69° | 65° | 2% | 8 mph NNW | 51% | 0 | |
| 10 PM | Clear | 66° | 64° | 3% | 5 mph NNW | 58% | 0 | |
| 11 PM | Clear | 64° | 62° | 5% | 4 mph NNW | 66% | 0 |
Quick answers for the hours ahead
What is the warmest hour in Portland today?
Will it rain in Portland tonight?
When is the UV index highest in Portland today?
Portland hour-by-hour: what to expect
Over the next 24 hours in Portland, temperatures range from 59°F (15°C) around 6 AM up to 88°F (31°C) near 4 PM - about 4°F (2°C) above the typical August high of 84°F (29°C).
Precipitation chances stay minimal throughout, so plans can skip the umbrella. UV reaches 7 (1 PM) - sun protection recommended through midday.
The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the Portland 14-day forecast or the monthly climate averages.