Portland, ME Hourly Forecast
Portland temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 1 PM - around 82°
- Coolest hour: 6 AM - around 70°
- Highest rain chance: 5 AM (37%) - pack accordingly
- UV peak: 1 PM at index 8 - sun protection recommended
- Windiest: 5 PM at 9 mph
Portland hourly weather - Thursday, August 6
In Portland, expect a high near 82°F (28°C) around 3 PM and a low of 71°F (22°C) near 9 PM; precipitation risk peaks at 17% around 9 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 3 PM | Sunny | 82° | 83° | 2% | 8 mph SSE | 53% | 5 | |
| 4 PM | Sunny | 81° | 82° | 3% | 8 mph SSE | 55% | 2 | |
| 5 PM | Sunny | 80° | 82° | 3% | 9 mph SSE | 60% | 1 | |
| 6 PM | Sunny | 80° | 82° | 3% | 8 mph SSE | 60% | 0 | |
| 7 PM | Sunny | 79° | 81° | 5% | 7 mph SSE | 69% | 0 | |
| 8 PM | Clear | 71° | 74° | 10% | 6 mph S | 83% | 0 | |
| 9 PM | Partly Cloudy | 71° | 74° | 17% | 6 mph S | 92% | 0 | |
| 10 PM | Partly Cloudy | 71° | 74° | 17% | 6 mph SSW | 93% | 0 | |
| 11 PM | Clear | 71° | 75° | 15% | 6 mph SW | 91% | 0 |
Portland hourly weather - Friday, August 7
In Portland, expect a high near 82°F (28°C) around 1 PM and a low of 70°F (21°C) near 6 AM; precipitation risk peaks at 37% around 5 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 71° | 75° | 14% | 5 mph WSW | 90% | 0 | |
| 1 AM | Clear | 75° | 79° | 11% | 5 mph WSW | 82% | 0 | |
| 2 AM | Clear | 73° | 77° | 12% | 5 mph W | 84% | 0 | |
| 3 AM | Patchy rain nearby | 72° | 76° | 23% | 5 mph WNW | 86% | 0 | |
| 4 AM | Clear | 72° | 75° | 14% | 5 mph NW | 88% | 0 | |
| 5 AM | Patchy rain nearby | 71° | 74° | 37% | 5 mph NNW | 89% | 0 | |
| 6 AM | Sunny | 70° | 73° | 13% | 5 mph NNW | 88% | 0 | |
| 7 AM | Sunny | 72° | 75° | 12% | 5 mph NNW | 85% | 0 | |
| 8 AM | Sunny | 74° | 78° | 9% | 6 mph N | 78% | 1 | |
| 9 AM | Sunny | 77° | 80° | 7% | 5 mph N | 69% | 3 | |
| 10 AM | Sunny | 80° | 82° | 5% | 4 mph NNE | 64% | 5 | |
| 11 AM | Sunny | 82° | 84° | 4% | 3 mph ENE | 62% | 7 | |
| 12 PM | Sunny | 82° | 85° | 4% | 4 mph SE | 61% | 8 | |
| 1 PM | Sunny | 82° | 85° | 4% | 6 mph SSE | 61% | 8 | |
| 2 PM | Partly Cloudy | 82° | 85° | 5% | 7 mph SSE | 60% | 7 | |
| 3 PM | Patchy rain nearby | 80° | 82° | 12% | 9 mph SSE | 65% | 5 | |
| 4 PM | Partly Cloudy | 78° | 80° | 8% | 8 mph S | 70% | 3 | |
| 5 PM | Sunny | 78° | 80° | 7% | 7 mph S | 70% | 1 | |
| 6 PM | Sunny | 80° | 82° | 6% | 7 mph SSW | 67% | 0 | |
| 7 PM | Sunny | 78° | 80° | 7% | 6 mph SSW | 71% | 0 | |
| 8 PM | Clear | 75° | 78° | 8% | 6 mph SSW | 74% | 0 | |
| 9 PM | Clear | 74° | 77° | 9% | 6 mph SW | 77% | 0 | |
| 10 PM | Clear | 73° | 76° | 10% | 4 mph WSW | 79% | 0 | |
| 11 PM | Clear | 72° | 76° | 11% | 4 mph WSW | 82% | 0 |
Portland hourly weather - Saturday, August 8
In Portland, expect a high near 72°F (22°C) around 2 PM and a low of 66°F (19°C) near 10 PM; precipitation risk peaks at 95% around 6 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 71° | 76° | 11% | 2 mph WSW | 83% | 0 | |
| 1 AM | Clear | 71° | 76° | 12% | 1 mph N | 83% | 0 | |
| 2 AM | Clear | 72° | 76° | 11% | 3 mph NNE | 81% | 0 | |
| 3 AM | Clear | 72° | 76° | 11% | 3 mph E | 81% | 0 | |
| 4 AM | Partly Cloudy | 71° | 75° | 15% | 2 mph SSE | 83% | 0 | |
| 5 AM | Patchy rain nearby | 70° | 75° | 28% | 1 mph ENE | 86% | 0 | |
| 6 AM | Patchy light drizzle | 69° | 74° | 57% | 2 mph SSE | 93% | 0 | |
| 7 AM | Partly Cloudy | 69° | 73° | 22% | 4 mph NE | 94% | 0 | |
| 8 AM | Patchy rain nearby | 69° | 72° | 26% | 5 mph NNE | 94% | 1 | |
| 9 AM | Patchy light drizzle | 68° | 74° | 64% | 1 mph ENE | 96% | 2 | |
| 10 AM | Light rain shower | 68° | 72° | 51% | 4 mph E | 98% | 4 | |
| 11 AM | Mist | 68° | 72° | 42% | 4 mph ENE | 96% | 6 | |
| 12 PM | Patchy rain nearby | 70° | 73° | 21% | 6 mph ENE | 90% | 7 | |
| 1 PM | Patchy rain nearby | 71° | 74° | 24% | 6 mph ENE | 86% | 6 | |
| 2 PM | Patchy rain nearby | 72° | 74° | 24% | 6 mph ENE | 83% | 6 | |
| 3 PM | Patchy rain nearby | 72° | 73° | 22% | 8 mph ENE | 83% | 4 | |
| 4 PM | Light rain shower | 70° | 71° | 70% | 9 mph ENE | 92% | 3 | |
| 5 PM | Light rain shower | 68° | 72° | 79% | 6 mph E | 97% | 1 | |
| 6 PM | Torrential rain shower | 67° | 72° | 95% | 3 mph ENE | 99% | 0 | |
| 7 PM | Light rain shower | 66° | 70° | 76% | 5 mph E | 99% | 0 | |
| 8 PM | Fog | 66° | 71° | 45% | 2 mph SE | 99% | 0 | |
| 9 PM | Fog | 66° | 72° | 44% | 1 mph S | 99% | 0 | |
| 10 PM | Light rain shower | 66° | 71° | 58% | 2 mph WSW | 99% | 0 | |
| 11 PM | Light rain shower | 66° | 72° | 75% | 1 mph SW | 99% | 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 70°F (21°C) around 6 AM up to 82°F (28°C) near 1 PM - about 5°F (3°C) above the typical August high of 77°F (25°C).
A stray shower can't be ruled out - Rain chances top out at 37% around 5 AM. UV reaches 8 (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.