Live Weather & Forecast
Weather in Portland
Maine, United States · Real-time conditions & 3-day outlook
6°C
Feels like 1°C
42°F / Feels 34°F
Overcast
Portland, Maine
🌙 Nighttime
Updated: 2026-04-12 22:15
Humidity
70%
Wind
26.6 km/h S
Wind Gust
39.2 km/h
Pressure
1029 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
0.4°C
Wind Degree
169°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
210.9 μg/m³
NO₂
7.6 μg/m³
O₃
90 μg/m³
SO₂
2.9 μg/m³
PM 2.5
8.7 μg/m³
PM 10
9.4 μg/m³
Today's Hourly Forecast
24-hour breakdown for Portland, Maine
12 AM
4°
Clear
1 AM
4°
Clear
2 AM
4°
Clear
3 AM
3°
Clear
4 AM
3°
Clear
5 AM
2°
Clear
6 AM
2°
Clear
7 AM
3°
Sunny
8 AM
5°
Sunny
9 AM
6°
Sunny
10 AM
7°
Sunny
11 AM
9°
Sunny
12 PM
10°
Sunny
1 PM
11°
Sunny
2 PM
11°
Sunny
3 PM
11°
Sunny
4 PM
10°
Sunny
5 PM
10°
Sunny
6 PM
10°
Sunny
7 PM
8°
Sunny
8 PM
7°
Clear
9 PM
6°
Clear
10 PM
6°
Overcast
11 PM
6°
Clear
3-Day Forecast
Daily overview for Portland, Maine
Today
Sunny
11°
/
2°
🌧️ 0% chance of rain
💧 Avg. humidity: 50%
💨 Max wind: 28.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:03 AM
🌇 Sunset: 07:21 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Moderate rain
12°
/
5°
🌧️ 89% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 29.2 km/h
🌧️ Total precip: 5.29 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:02 AM
🌇 Sunset: 07:22 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Overcast
12°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 21.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:00 AM
🌇 Sunset: 07:24 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Portland
Plan your trip to Portland, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Portland?
Current conditions in Portland: Overcast, temperature 6°C, humidity 70%.
What is the best time to visit Portland?
The best time to visit Portland is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Portland?
Portland is located at approximately 43.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Portland?
The wettest period in Portland is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Portland?
For visits to Portland during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Portland in?
Portland is located in United States, in the state of Maine.
What are the public holidays in Portland in 2026?
View the 2026 public holidays for Portland on our Holidays page.
What are the GPS coordinates used for the weather forecast in Portland?
The weather forecast for Portland uses coordinates 43.6574, -70.2587.