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: 5 AM - around 59°
- Rain risk: low all day (peaks at 4%)
- UV peak: 1 PM at index 8 - sun protection recommended
- Windiest: 12 PM at 13 mph
Portland hourly weather - Friday, July 17
In Portland, expect a high near 82°F (28°C) around 4 PM and a low of 66°F (19°C) near 11 PM, with no meaningful precipitation risk.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 1 PM | Sunny | 76° | 77° | 1% | 5 mph NW | 42% | 8 | |
| 2 PM | Sunny | 81° | 72° | 1% | 3 mph WSW | 38% | 7 | |
| 3 PM | Sunny | 76° | 66° | 1% | 5 mph SW | 38% | 6 | |
| 4 PM | Sunny | 82° | 72° | 1% | 5 mph SSW | 33% | 4 | |
| 5 PM | Sunny | 81° | 71° | 0% | 5 mph S | 28% | 2 | |
| 6 PM | Sunny | 80° | 71° | 0% | 3 mph SSW | 26% | 1 | |
| 7 PM | Sunny | 82° | 73° | 0% | 3 mph W | 26% | 0 | |
| 8 PM | Sunny | 73° | 64° | 0% | 5 mph WNW | 28% | 0 | |
| 9 PM | Clear | 70° | 60° | 1% | 5 mph NW | 31% | 0 | |
| 10 PM | Clear | 68° | 58° | 1% | 5 mph NNW | 35% | 0 | |
| 11 PM | Clear | 66° | 56° | 1% | 4 mph NNW | 38% | 0 |
Portland hourly weather - Saturday, July 18
In Portland, expect a high near 76°F (24°C) around 6 PM and a low of 59°F (15°C) near 5 AM; precipitation risk peaks at 54% around 8 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 64° | 56° | 1% | 2 mph NW | 40% | 0 | |
| 1 AM | Clear | 63° | 54° | 1% | 3 mph W | 43% | 0 | |
| 2 AM | Clear | 60° | 51° | 3% | 4 mph W | 58% | 0 | |
| 3 AM | Clear | 60° | 51° | 4% | 3 mph WNW | 59% | 0 | |
| 4 AM | Clear | 59° | 51° | 4% | 2 mph WNW | 59% | 0 | |
| 5 AM | Clear | 59° | 50° | 3% | 2 mph W | 59% | 0 | |
| 6 AM | Sunny | 59° | 51° | 3% | 3 mph NW | 57% | 0 | |
| 7 AM | Sunny | 63° | 55° | 2% | 2 mph NNW | 52% | 0 | |
| 8 AM | Sunny | 67° | 59° | 2% | 1 mph SSW | 48% | 1 | |
| 9 AM | Sunny | 69° | 60° | 2% | 4 mph S | 46% | 2 | |
| 10 AM | Sunny | 71° | 59° | 2% | 8 mph S | 47% | 3 | |
| 11 AM | Sunny | 72° | 59° | 3% | 11 mph S | 49% | 4 | |
| 12 PM | Partly Cloudy | 74° | 59° | 3% | 13 mph S | 50% | 4 | |
| 1 PM | Sunny | 75° | 60° | 3% | 13 mph S | 52% | 4 | |
| 2 PM | Sunny | 75° | 60° | 3% | 14 mph S | 56% | 4 | |
| 3 PM | Sunny | 74° | 59° | 5% | 15 mph S | 64% | 3 | |
| 4 PM | Sunny | 76° | 59° | 5% | 16 mph S | 62% | 1 | |
| 5 PM | Partly Cloudy | 76° | 59° | 7% | 17 mph SSW | 62% | 1 | |
| 6 PM | Partly Cloudy | 76° | 57° | 6% | 21 mph SW | 65% | 0 | |
| 7 PM | Overcast | 71° | 52° | 23% | 20 mph SSW | 84% | 0 | |
| 8 PM | Light drizzle | 68° | 50° | 54% | 19 mph SSW | 90% | 0 | |
| 9 PM | Patchy rain nearby | 68° | 51° | 32% | 17 mph SSW | 93% | 0 | |
| 10 PM | Patchy rain nearby | 68° | 52° | 32% | 16 mph SW | 91% | 0 | |
| 11 PM | Light rain shower | 69° | 53° | 51% | 15 mph SW | 90% | 0 |
Portland hourly weather - Sunday, July 19
In Portland, expect a high near 77°F (25°C) around 5 PM and a low of 62°F (17°C) near 11 PM; precipitation risk peaks at 75% around 12 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Light rain shower | 68° | 54° | 75% | 12 mph SW | 98% | 0 | |
| 1 AM | Patchy rain nearby | 67° | 54° | 40% | 12 mph SW | 99% | 0 | |
| 2 AM | Patchy rain nearby | 68° | 53° | 37% | 12 mph SW | 99% | 0 | |
| 3 AM | Patchy rain nearby | 68° | 54° | 31% | 12 mph SW | 98% | 0 | |
| 4 AM | Patchy rain nearby | 68° | 54° | 24% | 12 mph WSW | 96% | 0 | |
| 5 AM | Partly Cloudy | 67° | 53° | 18% | 13 mph W | 94% | 0 | |
| 6 AM | Sunny | 66° | 52° | 14% | 13 mph WNW | 89% | 0 | |
| 7 AM | Sunny | 66° | 52° | 10% | 12 mph NW | 81% | 0 | |
| 8 AM | Sunny | 69° | 55° | 5% | 12 mph NW | 66% | 1 | |
| 9 AM | Sunny | 70° | 56° | 3% | 13 mph NW | 57% | 3 | |
| 10 AM | Sunny | 71° | 56° | 2% | 14 mph NNW | 51% | 4 | |
| 11 AM | Sunny | 72° | 57° | 3% | 14 mph NNW | 48% | 6 | |
| 12 PM | Partly Cloudy | 74° | 59° | 4% | 13 mph NNW | 45% | 7 | |
| 1 PM | Partly Cloudy | 75° | 60° | 4% | 13 mph NW | 43% | 7 | |
| 2 PM | Partly Cloudy | 75° | 60° | 2% | 14 mph NW | 41% | 6 | |
| 3 PM | Sunny | 76° | 61° | 1% | 14 mph NW | 38% | 5 | |
| 4 PM | Sunny | 77° | 62° | 1% | 14 mph NW | 35% | 4 | |
| 5 PM | Sunny | 77° | 61° | 1% | 15 mph NW | 35% | 2 | |
| 6 PM | Sunny | 76° | 61° | 1% | 14 mph NW | 37% | 1 | |
| 7 PM | Sunny | 73° | 58° | 1% | 14 mph NW | 42% | 0 | |
| 8 PM | Sunny | 69° | 56° | 2% | 10 mph NW | 46% | 0 | |
| 9 PM | Clear | 66° | 54° | 3% | 7 mph WNW | 52% | 0 | |
| 10 PM | Clear | 63° | 52° | 3% | 6 mph WNW | 57% | 0 | |
| 11 PM | Clear | 62° | 51° | 4% | 7 mph WNW | 59% | 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 5 AM up to 82°F (28°C) near 4 PM - about 4°F (2°C) above the typical July high of 78°F (26°C).
Precipitation chances stay minimal throughout, so plans can skip the umbrella. 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.