Weather Forecast for Portland
Maine, United States of America
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Current Weather - Portland: 6°C
Current Weather - Portland: 6°C
Maine, United States of America
Mist
Feels like 3°C
Wind
12 km/h S
Humidity
100%
Pressure
1010 mb
UV Index
0
Visibility
1 km
Moderate rain
Sunday, April 19, 2026
High
8°C
Low
3°C
Rain Chance
92%
Hourly Forecast
7°C
8°C
7°C
7°C
6°C
5°C
5°C
5°C
4°C
4°C
3°C
Day Statistics
Maximum Wind
27 km/h
Humidity
95%
Precipitation
12 mm
UV Index
1
Visibility
7 km
Rain Chance
92%
Snow Chance
0%
Sun & Moon
Sunrise
05:52 AM
Sunset
07:30 PM
Moonrise
06:42 AM
Moonset
10:55 PM
Moon Phase
Waxing Crescent
Moon Illumination
3%
Air Quality
PM2.5
7.2
μg/m³
PM10
9.8
μg/m³
NO₂
4.6
μg/m³
O₃
80.1
μg/m³
SO₂
1.8
μg/m³
CO
165
μg/m³
Patchy rain nearby
Monday, April 20, 2026
High
10°C
Low
2°C
Rain Chance
87%
Hourly Forecast
3°C
3°C
3°C
3°C
3°C
2°C
3°C
4°C
5°C
6°C
7°C
8°C
9°C
9°C
10°C
9°C
9°C
8°C
7°C
6°C
5°C
5°C
4°C
4°C
Day Statistics
Maximum Wind
25 km/h
Humidity
63%
Precipitation
1 mm
UV Index
5
Visibility
10 km
Rain Chance
87%
Snow Chance
0%
Sun & Moon
Sunrise
05:50 AM
Sunset
07:31 PM
Moonrise
07:29 AM
Moonset
No moonset
Moon Phase
Waxing Crescent
Moon Illumination
9%
Air Quality
PM2.5
3.6
μg/m³
PM10
3.9
μg/m³
NO₂
3.2
μg/m³
O₃
87.6
μg/m³
SO₂
1.6
μg/m³
CO
173.9
μg/m³
Patchy rain nearby
Tuesday, April 21, 2026
High
7°C
Low
1°C
Rain Chance
55%
Hourly Forecast
3°C
2°C
2°C
2°C
1°C
1°C
1°C
2°C
3°C
4°C
5°C
6°C
7°C
7°C
7°C
7°C
7°C
7°C
6°C
5°C
5°C
5°C
5°C
5°C
Day Statistics
Maximum Wind
24 km/h
Humidity
47%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
55%
Snow Chance
0%
Sun & Moon
Sunrise
05:49 AM
Sunset
07:32 PM
Moonrise
08:28 AM
Moonset
12:10 AM
Moon Phase
Waxing Crescent
Moon Illumination
17%
Air Quality
PM2.5
5.6
μg/m³
PM10
6.2
μg/m³
NO₂
3.9
μg/m³
O₃
88.6
μg/m³
SO₂
2.3
μg/m³
CO
174.9
μg/m³
Moderate rain
Wednesday, April 22, 2026
High
8°C
Low
3°C
Rain Chance
84%
Hourly Forecast
5°C
5°C
4°C
4°C
4°C
4°C
4°C
4°C
4°C
4°C
4°C
4°C
4°C
5°C
6°C
7°C
7°C
8°C
7°C
6°C
7°C
7°C
5°C
6°C
Day Statistics
Maximum Wind
25 km/h
Humidity
83%
Precipitation
6 mm
UV Index
2
Visibility
8 km
Rain Chance
84%
Snow Chance
0%
Sun & Moon
Sunrise
05:47 AM
Sunset
07:33 PM
Moonrise
09:39 AM
Moonset
01:12 AM
Moon Phase
Waxing Crescent
Moon Illumination
27%
Air Quality
PM2.5
9.8
μg/m³
PM10
11
μg/m³
NO₂
8.8
μg/m³
O₃
81.7
μg/m³
SO₂
3.2
μg/m³
CO
183.3
μg/m³
Partly Cloudy
Thursday, April 23, 2026
High
11°C
Low
3°C
Rain Chance
0%
Hourly Forecast
6°C
4°C
5°C
5°C
5°C
4°C
5°C
5°C
6°C
7°C
7°C
8°C
9°C
10°C
10°C
10°C
11°C
10°C
9°C
9°C
8°C
7°C
7°C
6°C
Day Statistics
Maximum Wind
25 km/h
Humidity
58%
Precipitation
0 mm
UV Index
1
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:45 AM
Sunset
07:34 PM
Moonrise
10:55 AM
Moonset
01:59 AM
Moon Phase
Waxing Crescent
Moon Illumination
38%
Air Quality
PM2.5
9.5
μg/m³
PM10
11.7
μg/m³
NO₂
7
μg/m³
O₃
90.9
μg/m³
SO₂
2.7
μg/m³
CO
177.1
μg/m³
Sunny
Friday, April 24, 2026
High
11°C
Low
4°C
Rain Chance
0%
Hourly Forecast
6°C
5°C
5°C
5°C
4°C
5°C
5°C
6°C
6°C
7°C
9°C
9°C
10°C
10°C
10°C
10°C
10°C
10°C
9°C
9°C
8°C
7°C
6°C
6°C
Day Statistics
Maximum Wind
23 km/h
Humidity
54%
Precipitation
0 mm
UV Index
3
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
05:44 AM
Sunset
07:35 PM
Moonrise
12:11 PM
Moonset
02:35 AM
Moon Phase
First Quarter
Moon Illumination
49%
Patchy rain nearby
Saturday, April 25, 2026
High
9°C
Low
3°C
Rain Chance
78%
Hourly Forecast
5°C
5°C
4°C
4°C
4°C
4°C
4°C
5°C
6°C
7°C
8°C
8°C
9°C
9°C
9°C
9°C
9°C
9°C
8°C
8°C
8°C
7°C
7°C
7°C
Day Statistics
Maximum Wind
13 km/h
Humidity
71%
Precipitation
1 mm
UV Index
2
Visibility
9 km
Rain Chance
78%
Snow Chance
0%
Sun & Moon
Sunrise
05:42 AM
Sunset
07:37 PM
Moonrise
01:26 PM
Moonset
03:03 AM
Moon Phase
Waxing Gibbous
Moon Illumination
60%
Solar Radiation Data
Shortwave Radiation
1.94
Diffuse Radiation
1.19
DNI
0.96
GTI
1.31
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