Weather Forecast for Portland
Maine, United States of America
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Current Weather - Portland: 15°C
Current Weather - Portland: 15°C
Maine, United States of America
Partly cloudy
Feels like 15°C
Wind
5 km/h NW
Humidity
87%
Pressure
1007 mb
UV Index
0
Visibility
16 km
Patchy rain nearby
Sunday, June 21, 2026
High
23°C
Low
14°C
Rain Chance
42%
Hourly Forecast
18°C
19°C
19°C
20°C
22°C
20°C
19°C
18°C
17°C
16°C
16°C
15°C
Day Statistics
Maximum Wind
12 km/h
Humidity
76%
Precipitation
1 mm
UV Index
6
Visibility
10 km
Rain Chance
42%
Snow Chance
0%
Sun & Moon
Sunrise
04:59 AM
Sunset
08:26 PM
Moonrise
12:26 PM
Moonset
12:11 AM
Moon Phase
First Quarter
Moon Illumination
48%
Air Quality
PM2.5
4.2
μg/m³
PM10
4.5
μg/m³
NO₂
2.8
μg/m³
O₃
61.2
μg/m³
SO₂
0.3
μg/m³
CO
135.3
μg/m³
Moderate rain
Monday, June 22, 2026
High
20°C
Low
14°C
Rain Chance
72%
Hourly Forecast
15°C
15°C
14°C
14°C
14°C
14°C
15°C
16°C
17°C
18°C
19°C
19°C
19°C
19°C
19°C
18°C
19°C
18°C
17°C
16°C
15°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
25 km/h
Humidity
83%
Precipitation
5 mm
UV Index
5
Visibility
9 km
Rain Chance
72%
Snow Chance
0%
Sun & Moon
Sunrise
04:59 AM
Sunset
08:26 PM
Moonrise
01:38 PM
Moonset
12:31 AM
Moon Phase
First Quarter
Moon Illumination
59%
Air Quality
PM2.5
5.9
μg/m³
PM10
6.8
μg/m³
NO₂
4.8
μg/m³
O₃
64.4
μg/m³
SO₂
0.5
μg/m³
CO
173.6
μg/m³
Moderate rain
Tuesday, June 23, 2026
High
19°C
Low
14°C
Rain Chance
89%
Hourly Forecast
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
15°C
15°C
16°C
18°C
18°C
19°C
18°C
17°C
16°C
15°C
15°C
15°C
Day Statistics
Maximum Wind
17 km/h
Humidity
93%
Precipitation
12 mm
UV Index
5
Visibility
8 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:00 AM
Sunset
08:26 PM
Moonrise
02:49 PM
Moonset
12:52 AM
Moon Phase
Waxing Gibbous
Moon Illumination
69%
Air Quality
PM2.5
3.7
μg/m³
PM10
4.2
μg/m³
NO₂
3.1
μg/m³
O₃
79.2
μg/m³
SO₂
0.4
μg/m³
CO
123.3
μg/m³
Sunny
Wednesday, June 24, 2026
High
23°C
Low
14°C
Rain Chance
8%
Hourly Forecast
15°C
15°C
15°C
15°C
15°C
15°C
16°C
17°C
19°C
20°C
21°C
22°C
22°C
22°C
21°C
21°C
20°C
20°C
20°C
19°C
18°C
18°C
17°C
17°C
Day Statistics
Maximum Wind
16 km/h
Humidity
73%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
8%
Snow Chance
0%
Sun & Moon
Sunrise
05:00 AM
Sunset
08:26 PM
Moonrise
04:00 PM
Moonset
01:14 AM
Moon Phase
Waxing Gibbous
Moon Illumination
79%
Air Quality
PM2.5
2.4
μg/m³
PM10
2.5
μg/m³
NO₂
2.5
μg/m³
O₃
57.1
μg/m³
SO₂
0.6
μg/m³
CO
138.5
μg/m³
Patchy rain nearby
Thursday, June 25, 2026
High
19°C
Low
13°C
Rain Chance
36%
Hourly Forecast
16°C
16°C
15°C
15°C
14°C
15°C
16°C
16°C
17°C
18°C
18°C
19°C
19°C
18°C
18°C
17°C
17°C
17°C
16°C
15°C
15°C
14°C
14°C
14°C
Day Statistics
Maximum Wind
16 km/h
Humidity
80%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
05:00 AM
Sunset
08:26 PM
Moonrise
05:10 PM
Moonset
01:39 AM
Moon Phase
Waxing Gibbous
Moon Illumination
87%
Air Quality
PM2.5
3.2
μg/m³
PM10
3.3
μg/m³
NO₂
3.9
μg/m³
O₃
44.7
μg/m³
SO₂
0.4
μg/m³
CO
146.3
μg/m³
Patchy rain nearby
Friday, June 26, 2026
High
14°C
Low
13°C
Rain Chance
90%
Hourly Forecast
14°C
14°C
13°C
13°C
13°C
13°C
13°C
13°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
14°C
15°C
15°C
Day Statistics
Maximum Wind
9 km/h
Humidity
97%
Precipitation
4 mm
UV Index
3
Visibility
4 km
Rain Chance
90%
Snow Chance
0%
Sun & Moon
Sunrise
05:01 AM
Sunset
08:26 PM
Moonrise
06:17 PM
Moonset
02:10 AM
Moon Phase
Waxing Gibbous
Moon Illumination
93%
Patchy rain nearby
Saturday, June 27, 2026
High
19°C
Low
15°C
Rain Chance
53%
Hourly Forecast
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
16°C
16°C
17°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
17°C
17°C
16°C
16°C
16°C
16°C
Day Statistics
Maximum Wind
16 km/h
Humidity
90%
Precipitation
0 mm
UV Index
4
Visibility
8 km
Rain Chance
53%
Snow Chance
0%
Sun & Moon
Sunrise
05:01 AM
Sunset
08:26 PM
Moonrise
07:20 PM
Moonset
02:48 AM
Moon Phase
Full Moon
Moon Illumination
97%
Solar Radiation Data
Shortwave Radiation
6.44
Diffuse Radiation
3.19
DNI
0
GTI
0
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