Weather Forecast for Portland
Maine, United States of America
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Current Weather - Portland: 19°C
Current Weather - Portland: 19°C
Maine, United States of America
Patchy rain nearby
Feels like 18°C
Wind
14 km/h NNW
Humidity
69%
Pressure
1018 mb
UV Index
0
Visibility
10 km
Patchy rain nearby
Friday, August 21, 2026
High
27°C
Low
18°C
Rain Chance
57%
Hourly Forecast
23°C
24°C
27°C
26°C
20°C
26°C
20°C
20°C
19°C
19°C
19°C
18°C
18°C
Day Statistics
Maximum Wind
16 km/h
Humidity
67%
Precipitation
1 mm
UV Index
7
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
05:52 AM
Sunset
07:35 PM
Moonrise
04:06 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
69%
Air Quality
PM2.5
5.3
μg/m³
PM10
5.8
μg/m³
NO₂
5
μg/m³
O₃
67.7
μg/m³
SO₂
1
μg/m³
CO
138.5
μg/m³
Overcast
Saturday, August 22, 2026
High
18°C
Low
16°C
Rain Chance
85%
Hourly Forecast
18°C
17°C
17°C
17°C
17°C
16°C
16°C
16°C
17°C
17°C
18°C
18°C
18°C
17°C
17°C
17°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
Day Statistics
Maximum Wind
27 km/h
Humidity
80%
Precipitation
6 mm
UV Index
6
Visibility
8 km
Rain Chance
85%
Snow Chance
0%
Sun & Moon
Sunrise
05:53 AM
Sunset
07:34 PM
Moonrise
04:56 PM
Moonset
12:16 AM
Moon Phase
Waxing Gibbous
Moon Illumination
78%
Air Quality
PM2.5
5.9
μg/m³
PM10
6.7
μg/m³
NO₂
4.9
μg/m³
O₃
70.7
μg/m³
SO₂
0.9
μg/m³
CO
127.3
μg/m³
Mist
Sunday, August 23, 2026
High
17°C
Low
16°C
Rain Chance
87%
Hourly Forecast
16°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
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
17°C
Day Statistics
Maximum Wind
22 km/h
Humidity
96%
Precipitation
2 mm
UV Index
4
Visibility
5 km
Rain Chance
87%
Snow Chance
0%
Sun & Moon
Sunrise
05:54 AM
Sunset
07:32 PM
Moonrise
05:37 PM
Moonset
01:13 AM
Moon Phase
Waxing Gibbous
Moon Illumination
86%
Air Quality
PM2.5
3.4
μg/m³
PM10
4.7
μg/m³
NO₂
3.2
μg/m³
O₃
75.1
μg/m³
SO₂
0.7
μg/m³
CO
114.2
μg/m³
Sunny
Monday, August 24, 2026
High
23°C
Low
17°C
Rain Chance
57%
Hourly Forecast
17°C
18°C
18°C
18°C
17°C
18°C
18°C
18°C
18°C
19°C
20°C
21°C
22°C
23°C
23°C
23°C
23°C
23°C
22°C
21°C
20°C
19°C
19°C
17°C
Day Statistics
Maximum Wind
23 km/h
Humidity
77%
Precipitation
2 mm
UV Index
7
Visibility
8 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
05:55 AM
Sunset
07:30 PM
Moonrise
06:10 PM
Moonset
02:15 AM
Moon Phase
Waxing Gibbous
Moon Illumination
93%
Air Quality
PM2.5
4.2
μg/m³
PM10
4.7
μg/m³
NO₂
3.4
μg/m³
O₃
80.2
μg/m³
SO₂
0.6
μg/m³
CO
163
μg/m³
Sunny
Tuesday, August 25, 2026
High
22°C
Low
14°C
Rain Chance
4%
Hourly Forecast
18°C
17°C
15°C
17°C
16°C
14°C
16°C
16°C
15°C
19°C
19°C
19°C
22°C
22°C
21°C
21°C
21°C
21°C
20°C
19°C
18°C
18°C
17°C
16°C
Day Statistics
Maximum Wind
22 km/h
Humidity
60%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
4%
Snow Chance
0%
Sun & Moon
Sunrise
05:56 AM
Sunset
07:29 PM
Moonrise
06:36 PM
Moonset
03:19 AM
Moon Phase
Full Moon
Moon Illumination
97%
Air Quality
PM2.5
1.8
μg/m³
PM10
1.8
μg/m³
NO₂
2.6
μg/m³
O₃
55
μg/m³
SO₂
0.5
μg/m³
CO
175.2
μg/m³
Sunny
Wednesday, August 26, 2026
High
21°C
Low
15°C
Rain Chance
5%
Hourly Forecast
16°C
16°C
16°C
15°C
15°C
15°C
16°C
16°C
17°C
18°C
19°C
20°C
21°C
21°C
21°C
21°C
20°C
20°C
20°C
19°C
19°C
18°C
18°C
18°C
Day Statistics
Maximum Wind
25 km/h
Humidity
65%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
05:58 AM
Sunset
07:27 PM
Moonrise
06:59 PM
Moonset
04:24 AM
Moon Phase
Full Moon
Moon Illumination
100%
Overcast
Thursday, August 27, 2026
High
19°C
Low
16°C
Rain Chance
19%
Hourly Forecast
17°C
17°C
17°C
16°C
16°C
16°C
16°C
16°C
16°C
17°C
18°C
18°C
18°C
18°C
18°C
19°C
19°C
19°C
19°C
18°C
18°C
18°C
18°C
18°C
Day Statistics
Maximum Wind
13 km/h
Humidity
76%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
19%
Snow Chance
0%
Sun & Moon
Sunrise
05:59 AM
Sunset
07:25 PM
Moonrise
07:18 PM
Moonset
05:29 AM
Moon Phase
Full Moon
Moon Illumination
100%
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