temperatures.com

Portland, ME Hourly Forecast

Maine, United States 🇺🇸
60°
Overcast Feels like 54°
Updated 1 hour ago

Portland temperature trend - Next 24 hours

59° 7 PM 7 PM - 59°F (15°C), Clear, 7% precip 8 PM - 59°F (15°C), Clear, 7% precip 9 PM - 59°F (15°C), Clear, 8% precip 59° 10 PM 10 PM - 59°F (15°C), Clear, 8% precip 11 PM - 59°F (15°C), Overcast, 19% precip 12 AM - 59°F (15°C), Clear, 8% precip 58° 1 AM 1 AM - 58°F (15°C), Partly Cloudy, 13% precip 2 AM - 58°F (14°C), Clear, 10% precip 3 AM - 56°F (13°C), Clear, 11% precip 56° 4 AM 4 AM - 56°F (13°C), Clear, 11% precip 5 AM - 56°F (13°C), Partly Cloudy, 16% precip 6 AM - 57°F (14°C), Overcast, 24% precip 58° 7 AM 7 AM - 58°F (14°C), Overcast, 24% precip 8 AM - 58°F (14°C), Overcast, 21% precip 9 AM - 60°F (15°C), Overcast, 20% precip 61° 10 AM 10 AM - 61°F (16°C), Sunny, 10% precip 11 AM - 63°F (17°C), Cloudy, 14% precip 12 PM - 64°F (18°C), Sunny, 8% precip 64° 1 PM 1 PM - 64°F (18°C), Partly Cloudy, 12% precip 2 PM - 64°F (18°C), Cloudy, 18% precip 3 PM - 64°F (18°C), Sunny, 10% precip 63° 4 PM 4 PM - 63°F (18°C), Sunny, 10% precip 5 PM - 64°F (18°C), Sunny, 10% precip 6 PM - 64°F (18°C), Sunny, 11% precip

The next 24 hours at a glance

  • Warmest hour: 1 PM - around 64°
  • Coolest hour: 4 AM - around 56°
  • Highest rain chance: 6 AM (24%) - pack accordingly
  • UV peak: 1 PM at index 6 - sun protection recommended
  • Windiest: 4 PM at 17 mph

Portland hourly weather - Tuesday, September 15

In Portland, expect a high near 59°F (15°C) around 7 PM and a low of 59°F (15°C) near 9 PM; precipitation risk peaks at 19% around 11 PM.

TimeConditionsTemp FeelsRainWind HumidityUV
7 PM Clear 59° 53° 7% 10 mph S 70% 0
8 PM Clear 59° 54° 7% 10 mph S 73% 0
9 PM Clear 59° 54° 8% 9 mph SSW 75% 0
10 PM Clear 59° 54° 8% 10 mph SSW 76% 0
11 PM Overcast 59° 54° 19% 10 mph SSW 76% 0

Portland hourly weather - Wednesday, September 16

In Portland, expect a high near 64°F (18°C) around 1 PM and a low of 56°F (13°C) near 4 AM; precipitation risk peaks at 29% around 11 PM.

TimeConditionsTemp FeelsRainWind HumidityUV
12 AM Clear 59° 54° 8% 10 mph SSW 75% 0
1 AM Partly Cloudy 58° 53° 13% 10 mph SW 79% 0
2 AM Clear 58° 52° 10% 10 mph SW 81% 0
3 AM Clear 56° 51° 11% 10 mph WSW 83% 0
4 AM Clear 56° 51° 11% 10 mph SW 83% 0
5 AM Partly Cloudy 56° 51° 16% 10 mph SW 83% 0
6 AM Overcast 57° 51° 24% 11 mph SW 81% 0
7 AM Overcast 58° 52° 24% 11 mph SW 80% 0
8 AM Overcast 58° 52° 21% 11 mph SW 79% 0
9 AM Overcast 60° 53° 20% 12 mph SSW 78% 1
10 AM Sunny 61° 55° 10% 12 mph SSW 78% 1
11 AM Cloudy 63° 56° 14% 14 mph SSW 74% 4
12 PM Sunny 64° 58° 8% 13 mph SSW 73% 6
1 PM Partly Cloudy 64° 58° 12% 15 mph S 75% 6
2 PM Cloudy 64° 57° 18% 16 mph S 79% 5
3 PM Sunny 64° 57° 10% 16 mph S 80% 4
4 PM Sunny 63° 56° 10% 17 mph S 81% 2
5 PM Sunny 64° 58° 10% 14 mph S 81% 1
6 PM Sunny 64° 60° 11% 11 mph S 82% 0
7 PM Overcast 63° 62° 27% 8 mph S 85% 0
8 PM Overcast 63° 64° 26% 3 mph S 88% 0
9 PM Clear 63° 65° 14% 2 mph ESE 89% 0
10 PM Clear 62° 64° 13% 3 mph NE 90% 0
11 PM Overcast 62° 62° 29% 6 mph N 90% 0

Portland hourly weather - Thursday, September 17

In Portland, expect a high near 62°F (17°C) around 10 AM and a low of 60°F (16°C) near 4 PM; precipitation risk peaks at 83% around 7 PM.

TimeConditionsTemp FeelsRainWind HumidityUV
12 AM Overcast 62° 60° 29% 8 mph N 89% 0
1 AM Overcast 62° 60° 28% 8 mph NNE 88% 0
2 AM Cloudy 62° 60° 24% 8 mph NNE 87% 0
3 AM Overcast 62° 60° 28% 7 mph NNE 87% 0
4 AM Overcast 62° 61° 28% 6 mph NNE 87% 0
5 AM Overcast 61° 60° 29% 6 mph NE 88% 0
6 AM Overcast 61° 59° 29% 7 mph NE 89% 0
7 AM Overcast 61° 58° 28% 9 mph NNE 88% 0
8 AM Sunny 61° 58° 12% 10 mph NNE 86% 0
9 AM Overcast 62° 59° 24% 10 mph NE 83% 2
10 AM Overcast 62° 59° 25% 10 mph NE 82% 3
11 AM Overcast 62° 58° 23% 11 mph NE 82% 4
12 PM Overcast 62° 58° 25% 10 mph ENE 83% 6
1 PM Cloudy 61° 58° 25% 8 mph ENE 87% 4
2 PM Overcast 62° 61° 27% 6 mph E 86% 4
3 PM Patchy rain nearby 62° 62° 31% 5 mph E 88% 2
4 PM Light rain 60° 61° 76% 4 mph ESE 95% 1
5 PM Light drizzle 60° 63° 67% 2 mph SE 96% 0
6 PM Light drizzle 61° 64° 62% 1 mph NW 96% 0
7 PM Light rain 61° 63° 83% 3 mph SSW 96% 0
8 PM Light drizzle 61° 63° 70% 3 mph SSE 97% 0
9 PM Light drizzle 61° 62° 56% 6 mph S 98% 0
10 PM Fog 62° 62° 42% 6 mph SSW 97% 0
11 PM Fog 62° 61° 54% 7 mph SSW 97% 0

Quick answers for the hours ahead

What is the warmest hour in Portland today?
1 PM is forecast to be the warmest, at about 64°F (18°C) with partly cloudy.
Will it rain in Portland tonight?
A small chance: precipitation risk peaks at 19% around 11 PM.
When is the UV index highest in Portland today?
Around 1 PM, when it reaches 6. From UV 3 upward, sun protection is recommended.

Portland hour-by-hour: what to expect

Over the next 24 hours in Portland, temperatures range from 56°F (13°C) around 4 AM up to 64°F (18°C) near 1 PM - about 7°F (4°C) below the typical September high of 71°F (22°C).

A stray shower can't be ruled out - Rain chances top out at 24% around 6 AM. Wind picks up to 17 mph (27 km/h) from the S near 4 PM.

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.

Hourly forecasts nearby
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