Portland, ME Hourly Forecast
Portland temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 4 PM - around 82°
- Coolest hour: 3 AM - around 65°
- Highest rain chance: 7 PM (59%) - pack accordingly
- UV peak: 1 PM at index 7 - sun protection recommended
- Windiest: 3 PM at 12 mph
Portland hourly weather - Monday, August 10
In Portland, expect a high near 82°F (28°C) around 4 PM and a low of 66°F (19°C) near 6 AM; precipitation risk peaks at 59% around 7 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 4 AM | Clear | 67° | 68° | 8% | 5 mph NW | 77% | 0 | |
| 5 AM | Clear | 67° | 68° | 7% | 4 mph NW | 74% | 0 | |
| 6 AM | Sunny | 66° | 67° | 9% | 3 mph NW | 79% | 0 | |
| 7 AM | Sunny | 67° | 69° | 10% | 3 mph WNW | 83% | 0 | |
| 8 AM | Sunny | 70° | 72° | 7% | 4 mph W | 75% | 1 | |
| 9 AM | Sunny | 73° | 75° | 4% | 4 mph SW | 62% | 2 | |
| 10 AM | Sunny | 75° | 75° | 2% | 5 mph SSW | 54% | 4 | |
| 11 AM | Sunny | 77° | 75° | 3% | 8 mph S | 55% | 5 | |
| 12 PM | Sunny | 78° | 75° | 2% | 10 mph S | 53% | 7 | |
| 1 PM | Sunny | 82° | 83° | 2% | 12 mph S | 53% | 7 | |
| 2 PM | Sunny | 82° | 83° | 2% | 12 mph S | 52% | 6 | |
| 3 PM | Sunny | 82° | 83° | 2% | 12 mph S | 51% | 4 | |
| 4 PM | Sunny | 82° | 83° | 2% | 12 mph S | 53% | 2 | |
| 5 PM | Sunny | 81° | 82° | 3% | 12 mph SSE | 57% | 1 | |
| 6 PM | Light rain | 72° | 73° | 53% | 8 mph SW | 75% | 0 | |
| 7 PM | Patchy light drizzle | 69° | 70° | 59% | 8 mph NW | 90% | 0 | |
| 8 PM | Light rain shower | 68° | 70° | 42% | 6 mph N | 95% | 0 | |
| 9 PM | Light rain shower | 67° | 70° | 57% | 6 mph NNE | 96% | 0 | |
| 10 PM | Light rain shower | 67° | 70° | 45% | 6 mph NE | 96% | 0 | |
| 11 PM | Mist | 66° | 71° | 44% | 2 mph SE | 97% | 0 |
Portland hourly weather - Tuesday, August 11
In Portland, expect a high near 80°F (26°C) around 1 PM and a low of 64°F (18°C) near 5 AM; precipitation risk peaks at 37% around 2 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Mist | 66° | 71° | 34% | 1 mph ESE | 96% | 0 | |
| 1 AM | Mist | 66° | 70° | 36% | 1 mph W | 96% | 0 | |
| 2 AM | Mist | 65° | 69° | 37% | 3 mph W | 96% | 0 | |
| 3 AM | Mist | 65° | 68° | 27% | 3 mph W | 96% | 0 | |
| 4 AM | Mist | 65° | 68° | 25% | 3 mph W | 96% | 0 | |
| 5 AM | Mist | 64° | 68° | 24% | 2 mph W | 96% | 0 | |
| 6 AM | Mist | 64° | 66° | 23% | 4 mph WSW | 95% | 0 | |
| 7 AM | Mist | 65° | 67° | 23% | 5 mph W | 95% | 0 | |
| 8 AM | Partly Cloudy | 67° | 69° | 17% | 5 mph WNW | 92% | 1 | |
| 9 AM | Sunny | 70° | 72° | 11% | 4 mph WNW | 84% | 2 | |
| 10 AM | Sunny | 75° | 78° | 6% | 2 mph WNW | 70% | 4 | |
| 11 AM | Sunny | 77° | 82° | 5% | 1 mph SW | 64% | 6 | |
| 12 PM | Partly Cloudy | 79° | 82° | 5% | 2 mph ENE | 60% | 6 | |
| 1 PM | Patchy rain nearby | 80° | 81° | 15% | 5 mph SE | 59% | 5 | |
| 2 PM | Patchy rain nearby | 74° | 76° | 20% | 7 mph SE | 71% | 4 | |
| 3 PM | Patchy rain nearby | 71° | 73° | 28% | 6 mph SSE | 82% | 4 | |
| 4 PM | Patchy rain nearby | 74° | 77° | 23% | 5 mph SSE | 78% | 3 | |
| 5 PM | Sunny | 78° | 80° | 4% | 4 mph SW | 62% | 2 | |
| 6 PM | Sunny | 78° | 80° | 3% | 3 mph W | 55% | 1 | |
| 7 PM | Sunny | 77° | 75° | 2% | 7 mph WNW | 52% | 0 | |
| 8 PM | Clear | 74° | 71° | 3% | 8 mph NW | 53% | 0 | |
| 9 PM | Clear | 70° | 68° | 4% | 7 mph NW | 58% | 0 | |
| 10 PM | Clear | 68° | 66° | 4% | 6 mph NW | 61% | 0 | |
| 11 PM | Clear | 68° | 65° | 4% | 7 mph NW | 62% | 0 |
Portland hourly weather - Wednesday, August 12
In Portland, expect a high near 77°F (25°C) around 1 PM and a low of 64°F (18°C) near 6 AM; precipitation risk peaks at 21% around 11 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 67° | 65° | 4% | 6 mph NW | 65% | 0 | |
| 1 AM | Clear | 66° | 64° | 5% | 6 mph NW | 65% | 0 | |
| 2 AM | Clear | 66° | 64° | 5% | 6 mph NW | 65% | 0 | |
| 3 AM | Clear | 66° | 63° | 6% | 6 mph WNW | 65% | 0 | |
| 4 AM | Clear | 65° | 63° | 6% | 6 mph WNW | 65% | 0 | |
| 5 AM | Partly Cloudy | 65° | 63° | 7% | 5 mph WNW | 66% | 0 | |
| 6 AM | Sunny | 64° | 63° | 6% | 4 mph WNW | 67% | 0 | |
| 7 AM | Sunny | 66° | 66° | 5% | 3 mph NW | 64% | 0 | |
| 8 AM | Partly Cloudy | 70° | 70° | 5% | 2 mph NNW | 59% | 1 | |
| 9 AM | Partly Cloudy | 70° | 70° | 7% | 2 mph WSW | 61% | 2 | |
| 10 AM | Sunny | 74° | 73° | 2% | 4 mph SSW | 50% | 2 | |
| 11 AM | Sunny | 76° | 74° | 2% | 6 mph SSW | 45% | 4 | |
| 12 PM | Sunny | 76° | 73° | 2% | 8 mph S | 47% | 2 | |
| 1 PM | Partly Cloudy | 77° | 73° | 5% | 9 mph S | 48% | 3 | |
| 2 PM | Cloudy | 76° | 72° | 6% | 11 mph SSW | 49% | 3 | |
| 3 PM | Partly Cloudy | 75° | 71° | 7% | 11 mph SSW | 52% | 3 | |
| 4 PM | Cloudy | 71° | 68° | 9% | 9 mph SSW | 60% | 2 | |
| 5 PM | Cloudy | 71° | 68° | 13% | 8 mph SSW | 62% | 1 | |
| 6 PM | Partly Cloudy | 71° | 69° | 8% | 7 mph SSW | 63% | 0 | |
| 7 PM | Partly Cloudy | 70° | 68° | 8% | 7 mph SSW | 64% | 0 | |
| 8 PM | Partly Cloudy | 69° | 68° | 8% | 6 mph SSW | 67% | 0 | |
| 9 PM | Partly Cloudy | 68° | 68° | 10% | 5 mph SSW | 69% | 0 | |
| 10 PM | Partly Cloudy | 68° | 68° | 10% | 6 mph S | 72% | 0 | |
| 11 PM | Patchy rain nearby | 68° | 68° | 21% | 7 mph SSW | 77% | 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 65°F (18°C) around 3 AM up to 82°F (28°C) near 4 PM - about 5°F (3°C) above the typical August high of 77°F (25°C).
Precipitation is a real possibility: the chance of rain peaks at 59% around 7 PM. 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.