Portland, ME Hourly Forecast

Maine, United States 🇺🇸
82°
Sunny Feels like 83°
Updated just now

Portland temperature trend - Next 24 hours

82° 3 PM 3 PM - 82°F (28°C), Sunny 4 PM - 81°F (27°C), Sunny 5 PM - 80°F (27°C), Sunny 80° 6 PM 6 PM - 80°F (27°C), Sunny 7 PM - 79°F (26°C), Sunny, 5% precip 8 PM - 71°F (22°C), Clear, 10% precip 71° 9 PM 9 PM - 71°F (22°C), Partly Cloudy, 17% precip 10 PM - 71°F (22°C), Partly Cloudy, 17% precip 11 PM - 71°F (22°C), Clear, 15% precip 71° 12 AM 12 AM - 71°F (22°C), Clear, 14% precip 1 AM - 75°F (24°C), Clear, 11% precip 2 AM - 73°F (23°C), Clear, 12% precip 72° 3 AM 3 AM - 72°F (22°C), Patchy rain nearby, 23% precip 4 AM - 72°F (22°C), Clear, 14% precip 5 AM - 71°F (22°C), Patchy rain nearby, 37% precip 70° 6 AM 6 AM - 70°F (21°C), Sunny, 13% precip 7 AM - 72°F (22°C), Sunny, 12% precip 8 AM - 74°F (24°C), Sunny, 9% precip 77° 9 AM 9 AM - 77°F (25°C), Sunny, 7% precip 10 AM - 80°F (26°C), Sunny, 5% precip 11 AM - 82°F (28°C), Sunny 82° 12 PM 12 PM - 82°F (28°C), Sunny 1 PM - 82°F (28°C), Sunny 2 PM - 82°F (28°C), Partly Cloudy, 5% precip

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.

TimeConditionsTemp FeelsRainWind HumidityUV
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.

TimeConditionsTemp FeelsRainWind HumidityUV
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.

TimeConditionsTemp FeelsRainWind HumidityUV
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?
1 PM is forecast to be the warmest, at about 82°F (28°C) with sunny.
Will it rain in Portland tonight?
A small chance: precipitation risk peaks at 17% around 9 PM.
When is the UV index highest in Portland today?
Around 1 PM, when it reaches 8. 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 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.

Hourly forecasts nearby