Weather Forecast for Portland
Maine, United States of America
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Current Weather - Portland: 17°C
Current Weather - Portland: 17°C
Maine, United States of America
Sunny
Feels like 17°C
Wind
5 km/h W
Humidity
65%
Pressure
1016 mb
UV Index
2
Visibility
16 km
Sunny
Thursday, July 23, 2026
High
23°C
Low
15°C
Rain Chance
4%
Hourly Forecast
23°C
23°C
22°C
22°C
21°C
18°C
17°C
16°C
16°C
15°C
Day Statistics
Maximum Wind
22 km/h
Humidity
64%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
4%
Snow Chance
0%
Sun & Moon
Sunrise
05:20 AM
Sunset
08:14 PM
Moonrise
04:10 PM
Moonset
12:12 AM
Moon Phase
Waxing Gibbous
Moon Illumination
74%
Air Quality
PM2.5
4
μg/m³
PM10
4.5
μg/m³
NO₂
3.2
μg/m³
O₃
68.2
μg/m³
SO₂
0.3
μg/m³
CO
114
μg/m³
Sunny
Friday, July 24, 2026
High
22°C
Low
14°C
Rain Chance
5%
Hourly Forecast
15°C
15°C
15°C
15°C
15°C
14°C
15°C
16°C
18°C
19°C
20°C
21°C
21°C
22°C
22°C
22°C
22°C
21°C
20°C
19°C
18°C
17°C
16°C
16°C
Day Statistics
Maximum Wind
18 km/h
Humidity
67%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
05:21 AM
Sunset
08:13 PM
Moonrise
05:14 PM
Moonset
12:47 AM
Moon Phase
Waxing Gibbous
Moon Illumination
82%
Air Quality
PM2.5
9
μg/m³
PM10
10.4
μg/m³
NO₂
5.7
μg/m³
O₃
80.8
μg/m³
SO₂
0.5
μg/m³
CO
166.8
μg/m³
Sunny
Saturday, July 25, 2026
High
21°C
Low
14°C
Rain Chance
5%
Hourly Forecast
15°C
15°C
15°C
15°C
15°C
14°C
15°C
16°C
18°C
19°C
20°C
20°C
20°C
21°C
21°C
21°C
21°C
20°C
20°C
19°C
17°C
16°C
15°C
15°C
Day Statistics
Maximum Wind
13 km/h
Humidity
66%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
05:22 AM
Sunset
08:12 PM
Moonrise
06:10 PM
Moonset
01:30 AM
Moon Phase
Waxing Gibbous
Moon Illumination
90%
Air Quality
PM2.5
9.8
μg/m³
PM10
11.9
μg/m³
NO₂
5.5
μg/m³
O₃
88.8
μg/m³
SO₂
0.6
μg/m³
CO
128.5
μg/m³
Sunny
Sunday, July 26, 2026
High
21°C
Low
13°C
Rain Chance
6%
Hourly Forecast
14°C
14°C
14°C
13°C
13°C
13°C
13°C
15°C
17°C
19°C
20°C
20°C
20°C
20°C
21°C
21°C
21°C
20°C
19°C
18°C
17°C
15°C
15°C
16°C
Day Statistics
Maximum Wind
16 km/h
Humidity
68%
Precipitation
0 mm
UV Index
6
Visibility
9 km
Rain Chance
6%
Snow Chance
0%
Sun & Moon
Sunrise
05:23 AM
Sunset
08:11 PM
Moonrise
06:57 PM
Moonset
02:22 AM
Moon Phase
Waxing Gibbous
Moon Illumination
95%
Air Quality
PM2.5
10.1
μg/m³
PM10
12.5
μg/m³
NO₂
6.2
μg/m³
O₃
72.7
μg/m³
SO₂
0.7
μg/m³
CO
129.7
μg/m³
Fog
Monday, July 27, 2026
High
21°C
Low
14°C
Rain Chance
74%
Hourly Forecast
15°C
14°C
16°C
14°C
14°C
16°C
15°C
16°C
18°C
18°C
18°C
21°C
20°C
21°C
20°C
20°C
20°C
20°C
19°C
18°C
17°C
17°C
17°C
17°C
Day Statistics
Maximum Wind
19 km/h
Humidity
90%
Precipitation
2 mm
UV Index
6
Visibility
6 km
Rain Chance
74%
Snow Chance
0%
Sun & Moon
Sunrise
05:25 AM
Sunset
08:10 PM
Moonrise
07:36 PM
Moonset
03:20 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
13.5
μg/m³
PM10
14.1
μg/m³
NO₂
11.7
μg/m³
O₃
46.4
μg/m³
SO₂
0.8
μg/m³
CO
234.6
μg/m³
Fog
Tuesday, July 28, 2026
High
18°C
Low
16°C
Rain Chance
96%
Hourly Forecast
17°C
17°C
17°C
16°C
16°C
16°C
16°C
17°C
17°C
17°C
17°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
18°C
17°C
17°C
Day Statistics
Maximum Wind
12 km/h
Humidity
99%
Precipitation
11 mm
UV Index
4
Visibility
4 km
Rain Chance
96%
Snow Chance
0%
Sun & Moon
Sunrise
05:26 AM
Sunset
08:08 PM
Moonrise
08:06 PM
Moonset
04:23 AM
Moon Phase
Full Moon
Moon Illumination
100%
Fog
Wednesday, July 29, 2026
High
19°C
Low
16°C
Rain Chance
94%
Hourly Forecast
17°C
17°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
17°C
17°C
17°C
17°C
17°C
17°C
18°C
18°C
18°C
18°C
19°C
19°C
18°C
18°C
17°C
Day Statistics
Maximum Wind
14 km/h
Humidity
99%
Precipitation
13 mm
UV Index
4
Visibility
4 km
Rain Chance
94%
Snow Chance
0%
Sun & Moon
Sunrise
05:27 AM
Sunset
08:07 PM
Moonrise
08:32 PM
Moonset
05:28 AM
Moon Phase
Full Moon
Moon Illumination
99%
Solar Radiation Data
Shortwave Radiation
78.08
Diffuse Radiation
15.06
DNI
0
GTI
0
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