Weather Forecast for Portland
Maine, United States of America
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Current Weather - Portland: 16°C
Current Weather - Portland: 16°C
Maine, United States of America
Cloudy
Feels like 15°C
Wind
10 km/h SSW
Humidity
90%
Pressure
1018 mb
UV Index
3
Visibility
10 km
Overcast
Wednesday, September 30, 2026
High
16°C
Low
14°C
Rain Chance
47%
Hourly Forecast
15°C
15°C
15°C
15°C
15°C
15°C
Day Statistics
Maximum Wind
18 km/h
Humidity
91%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
47%
Snow Chance
0%
Sun & Moon
Sunrise
06:37 AM
Sunset
06:24 PM
Moonrise
08:02 PM
Moonset
11:08 AM
Moon Phase
Waning Gibbous
Moon Illumination
75%
Air Quality
PM2.5
6
μg/m³
PM10
6.5
μg/m³
NO₂
11.2
μg/m³
O₃
37.3
μg/m³
SO₂
1
μg/m³
CO
178.6
μg/m³
Overcast
Thursday, October 01, 2026
High
19°C
Low
15°C
Rain Chance
17%
Hourly Forecast
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
15°C
16°C
17°C
17°C
17°C
17°C
18°C
18°C
18°C
19°C
19°C
18°C
18°C
19°C
18°C
18°C
Day Statistics
Maximum Wind
21 km/h
Humidity
84%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
06:38 AM
Sunset
06:22 PM
Moonrise
08:47 PM
Moonset
12:19 PM
Moon Phase
Last Quarter
Moon Illumination
66%
Air Quality
PM2.5
10.6
μg/m³
PM10
11.2
μg/m³
NO₂
11.6
μg/m³
O₃
54.9
μg/m³
SO₂
1.3
μg/m³
CO
209
μg/m³
Overcast
Friday, October 02, 2026
High
20°C
Low
16°C
Rain Chance
23%
Hourly Forecast
18°C
17°C
17°C
17°C
16°C
16°C
16°C
17°C
17°C
17°C
17°C
18°C
18°C
18°C
19°C
20°C
20°C
20°C
19°C
19°C
19°C
18°C
19°C
19°C
Day Statistics
Maximum Wind
21 km/h
Humidity
82%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
23%
Snow Chance
0%
Sun & Moon
Sunrise
06:39 AM
Sunset
06:20 PM
Moonrise
09:44 PM
Moonset
01:25 PM
Moon Phase
Last Quarter
Moon Illumination
55%
Air Quality
PM2.5
10.7
μg/m³
PM10
11.3
μg/m³
NO₂
6.1
μg/m³
O₃
84.1
μg/m³
SO₂
1.7
μg/m³
CO
196.2
μg/m³
Sunny
Saturday, October 03, 2026
High
18°C
Low
13°C
Rain Chance
4%
Hourly Forecast
18°C
18°C
18°C
17°C
15°C
14°C
14°C
13°C
13°C
13°C
14°C
14°C
15°C
16°C
16°C
16°C
16°C
16°C
16°C
15°C
15°C
14°C
14°C
13°C
Day Statistics
Maximum Wind
30 km/h
Humidity
61%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
4%
Snow Chance
0%
Sun & Moon
Sunrise
06:41 AM
Sunset
06:19 PM
Moonrise
10:53 PM
Moonset
02:22 PM
Moon Phase
Last Quarter
Moon Illumination
45%
Air Quality
PM2.5
2.1
μg/m³
PM10
2.3
μg/m³
NO₂
2.8
μg/m³
O₃
68.9
μg/m³
SO₂
1.2
μg/m³
CO
150
μg/m³
Overcast
Sunday, October 04, 2026
High
13°C
Low
11°C
Rain Chance
14%
Hourly Forecast
13°C
13°C
12°C
12°C
11°C
11°C
12°C
12°C
12°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
13°C
Day Statistics
Maximum Wind
13 km/h
Humidity
75%
Precipitation
0 mm
UV Index
3
Visibility
10 km
Rain Chance
14%
Snow Chance
0%
Sun & Moon
Sunrise
06:42 AM
Sunset
06:17 PM
Moonrise
Does not rise today
Moonset
03:08 PM
Moon Phase
Last Quarter
Moon Illumination
34%
Air Quality
PM2.5
3
μg/m³
PM10
3
μg/m³
NO₂
6.9
μg/m³
O₃
41.8
μg/m³
SO₂
1.1
μg/m³
CO
197.4
μg/m³
Sunny
Monday, October 05, 2026
High
17°C
Low
9°C
Rain Chance
13%
Hourly Forecast
13°C
12°C
12°C
11°C
11°C
11°C
11°C
11°C
11°C
12°C
13°C
14°C
15°C
16°C
17°C
16°C
15°C
15°C
14°C
13°C
12°C
11°C
10°C
9°C
Day Statistics
Maximum Wind
27 km/h
Humidity
77%
Precipitation
0 mm
UV Index
5
Visibility
9 km
Rain Chance
13%
Snow Chance
0%
Sun & Moon
Sunrise
06:43 AM
Sunset
06:15 PM
Moonrise
12:09 AM
Moonset
03:44 PM
Moon Phase
Waning Crescent
Moon Illumination
25%
Sunny
Tuesday, October 06, 2026
High
12°C
Low
5°C
Rain Chance
2%
Hourly Forecast
8°C
7°C
7°C
6°C
6°C
6°C
5°C
5°C
5°C
6°C
7°C
8°C
9°C
10°C
11°C
11°C
12°C
12°C
11°C
10°C
8°C
8°C
7°C
7°C
Day Statistics
Maximum Wind
27 km/h
Humidity
52%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:44 AM
Sunset
06:13 PM
Moonrise
01:29 AM
Moonset
04:13 PM
Moon Phase
Waning Crescent
Moon Illumination
16%
Solar Radiation Data
Shortwave Radiation
198.48
Diffuse Radiation
111.8
DNI
0
GTI
0
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