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
Light drizzle
Feels like 18°C
Wind
4 km/h WNW
Humidity
100%
Pressure
1011 mb
UV Index
0
Visibility
10 km
Light drizzle
Friday, September 04, 2026
High
20°C
Low
16°C
Rain Chance
75%
Hourly Forecast
17°C
17°C
17°C
18°C
18°C
19°C
20°C
20°C
20°C
19°C
20°C
20°C
20°C
20°C
20°C
20°C
19°C
20°C
Day Statistics
Maximum Wind
15 km/h
Humidity
88%
Precipitation
2 mm
UV Index
6
Visibility
8 km
Rain Chance
75%
Snow Chance
0%
Sun & Moon
Sunrise
06:08 AM
Sunset
07:11 PM
Moonrise
10:50 PM
Moonset
02:29 PM
Moon Phase
Last Quarter
Moon Illumination
39%
Air Quality
PM2.5
7
μg/m³
PM10
7.9
μg/m³
NO₂
6.8
μg/m³
O₃
63.4
μg/m³
SO₂
0.7
μg/m³
CO
170.3
μg/m³
Patchy rain nearby
Saturday, September 05, 2026
High
19°C
Low
16°C
Rain Chance
36%
Hourly Forecast
19°C
18°C
18°C
18°C
17°C
17°C
16°C
16°C
17°C
18°C
18°C
19°C
19°C
19°C
19°C
19°C
18°C
18°C
18°C
17°C
17°C
17°C
17°C
17°C
Day Statistics
Maximum Wind
28 km/h
Humidity
77%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:09 AM
Sunset
07:10 PM
Moonrise
11:52 PM
Moonset
03:33 PM
Moon Phase
Waning Crescent
Moon Illumination
29%
Air Quality
PM2.5
2.6
μg/m³
PM10
3
μg/m³
NO₂
2.2
μg/m³
O₃
68.2
μg/m³
SO₂
0.5
μg/m³
CO
130.9
μg/m³
Sunny
Sunday, September 06, 2026
High
21°C
Low
14°C
Rain Chance
8%
Hourly Forecast
16°C
15°C
15°C
15°C
14°C
14°C
14°C
14°C
15°C
16°C
17°C
18°C
19°C
19°C
20°C
21°C
20°C
20°C
19°C
18°C
18°C
18°C
18°C
17°C
Day Statistics
Maximum Wind
26 km/h
Humidity
62%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
8%
Snow Chance
0%
Sun & Moon
Sunrise
06:10 AM
Sunset
07:08 PM
Moonrise
Does not rise today
Moonset
04:27 PM
Moon Phase
Waning Crescent
Moon Illumination
20%
Air Quality
PM2.5
3
μg/m³
PM10
3.7
μg/m³
NO₂
2.8
μg/m³
O₃
60.2
μg/m³
SO₂
0.6
μg/m³
CO
137.8
μg/m³
Sunny
Monday, September 07, 2026
High
21°C
Low
14°C
Rain Chance
4%
Hourly Forecast
16°C
16°C
16°C
15°C
15°C
14°C
14°C
14°C
15°C
17°C
19°C
20°C
20°C
20°C
20°C
20°C
20°C
21°C
20°C
20°C
20°C
19°C
19°C
18°C
Day Statistics
Maximum Wind
21 km/h
Humidity
60%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
4%
Snow Chance
0%
Sun & Moon
Sunrise
06:11 AM
Sunset
07:06 PM
Moonrise
01:06 AM
Moonset
05:11 PM
Moon Phase
Waning Crescent
Moon Illumination
12%
Air Quality
PM2.5
4.6
μg/m³
PM10
5.1
μg/m³
NO₂
4.8
μg/m³
O₃
61.3
μg/m³
SO₂
0.7
μg/m³
CO
151.4
μg/m³
Sunny
Tuesday, September 08, 2026
High
20°C
Low
16°C
Rain Chance
7%
Hourly Forecast
18°C
18°C
18°C
19°C
18°C
18°C
17°C
17°C
18°C
18°C
19°C
19°C
20°C
20°C
20°C
20°C
19°C
19°C
18°C
17°C
17°C
16°C
16°C
16°C
Day Statistics
Maximum Wind
21 km/h
Humidity
59%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
7%
Snow Chance
0%
Sun & Moon
Sunrise
06:12 AM
Sunset
07:04 PM
Moonrise
02:28 AM
Moonset
05:45 PM
Moon Phase
Waning Crescent
Moon Illumination
6%
Air Quality
PM2.5
4.5
μg/m³
PM10
4.6
μg/m³
NO₂
5.8
μg/m³
O₃
53.9
μg/m³
SO₂
0.9
μg/m³
CO
214.3
μg/m³
Overcast
Wednesday, September 09, 2026
High
18°C
Low
14°C
Rain Chance
15%
Hourly Forecast
16°C
15°C
15°C
14°C
14°C
14°C
14°C
14°C
14°C
15°C
15°C
16°C
17°C
17°C
18°C
17°C
17°C
17°C
17°C
17°C
18°C
18°C
18°C
18°C
Day Statistics
Maximum Wind
23 km/h
Humidity
68%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
15%
Snow Chance
0%
Sun & Moon
Sunrise
06:13 AM
Sunset
07:02 PM
Moonrise
03:51 AM
Moonset
06:13 PM
Moon Phase
New Moon
Moon Illumination
2%
Overcast
Thursday, September 10, 2026
High
26°C
Low
17°C
Rain Chance
36%
Hourly Forecast
18°C
18°C
18°C
17°C
17°C
17°C
17°C
18°C
18°C
20°C
21°C
22°C
23°C
25°C
26°C
26°C
25°C
25°C
23°C
22°C
20°C
19°C
19°C
18°C
Day Statistics
Maximum Wind
32 km/h
Humidity
72%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:14 AM
Sunset
07:01 PM
Moonrise
05:14 AM
Moonset
06:37 PM
Moon Phase
New Moon
Moon Illumination
0%
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