Weather Forecast for Portland

Maine, United States of America

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Overcast

Current Weather - Portland: 13°C

Maine, United States of America

Overcast

Feels like 12°C

Wind

4 km/h NNE

Humidity

73%

Pressure

1024 mb

UV Index

1

Visibility

10 km

Overcast

Overcast

Tuesday, November 03, 2026

High

14°C

Low

12°C

Rain Chance

28%

Hourly Forecast

Overcast 12°C
16:00
Overcast 13°C
17:00
Patchy rain nearby 13°C
18:00
Patchy rain nearby 12°C
19:00
Patchy rain nearby 12°C
20:00
Overcast 12°C
21:00
Overcast 12°C
22:00
Partly Cloudy 12°C
23:00
Nov 04

Day Statistics

Maximum Wind

16 km/h

Humidity

76%

Precipitation

0 mm

UV Index

3

Visibility

10 km

Rain Chance

28%

Snow Chance

0%

Sun & Moon

Sunrise

06:19 AM

Sunset

04:29 PM

Moonrise

Does not rise today

Moonset

01:41 PM

Moon Phase

Waning Crescent

Moon Illumination

30%

Air Quality

PM2.5

9.9

μg/m³

PM10

11.8

μg/m³

NO₂

10.3

μg/m³

O₃

53.6

μg/m³

SO₂

1.8

μg/m³

CO

208.6

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Solar Radiation Data

Shortwave Radiation

52.08

Diffuse Radiation

51.67

DNI

0.94

GTI

45.98