Weather Forecast for Portsmouth (US)
New Hampshire, United States of America
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Current Weather - Portsmouth (US): 18°C
Current Weather - Portsmouth (US): 18°C
New Hampshire, United States of America
Partly Cloudy
Feels like 17°C
Wind
17 km/h SW
Humidity
86%
Pressure
1011 mb
UV Index
0
Visibility
10 km
Overcast
Friday, October 02, 2026
High
29°C
Low
18°C
Rain Chance
15%
Hourly Forecast
27°C
28°C
29°C
28°C
27°C
23°C
22°C
21°C
20°C
19°C
19°C
18°C
Day Statistics
Maximum Wind
21 km/h
Humidity
74%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
15%
Snow Chance
0%
Sun & Moon
Sunrise
06:41 AM
Sunset
06:23 PM
Moonrise
09:49 PM
Moonset
01:25 PM
Moon Phase
Last Quarter
Moon Illumination
55%
Air Quality
PM2.5
9.8
μg/m³
PM10
9.9
μg/m³
NO₂
4.4
μg/m³
O₃
102.3
μg/m³
SO₂
1.8
μg/m³
CO
189
μg/m³
Sunny
Saturday, October 03, 2026
High
18°C
Low
13°C
Rain Chance
10%
Hourly Forecast
18°C
18°C
17°C
15°C
14°C
14°C
13°C
13°C
14°C
16°C
16°C
17°C
17°C
17°C
17°C
16°C
16°C
16°C
14°C
14°C
14°C
14°C
14°C
15°C
Day Statistics
Maximum Wind
19 km/h
Humidity
73%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
10%
Snow Chance
0%
Sun & Moon
Sunrise
06:42 AM
Sunset
06:21 PM
Moonrise
10:57 PM
Moonset
02:21 PM
Moon Phase
Last Quarter
Moon Illumination
45%
Air Quality
PM2.5
3.8
μg/m³
PM10
4.5
μg/m³
NO₂
5.1
μg/m³
O₃
61
μg/m³
SO₂
1.3
μg/m³
CO
154.4
μg/m³
Sunny
Sunday, October 04, 2026
High
16°C
Low
11°C
Rain Chance
57%
Hourly Forecast
14°C
13°C
13°C
12°C
12°C
11°C
11°C
11°C
12°C
13°C
14°C
15°C
16°C
16°C
15°C
15°C
15°C
14°C
14°C
13°C
14°C
13°C
13°C
13°C
Day Statistics
Maximum Wind
18 km/h
Humidity
80%
Precipitation
1 mm
UV Index
4
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:43 AM
Sunset
06:19 PM
Moonrise
Does not rise today
Moonset
03:08 PM
Moon Phase
Last Quarter
Moon Illumination
34%
Air Quality
PM2.5
6.3
μg/m³
PM10
9.4
μg/m³
NO₂
3.8
μg/m³
O₃
50.9
μg/m³
SO₂
0.7
μg/m³
CO
136.6
μg/m³
Sunny
Monday, October 05, 2026
High
18°C
Low
8°C
Rain Chance
57%
Hourly Forecast
12°C
12°C
12°C
12°C
12°C
11°C
11°C
10°C
11°C
12°C
13°C
15°C
16°C
18°C
18°C
17°C
18°C
17°C
16°C
15°C
13°C
10°C
8°C
9°C
Day Statistics
Maximum Wind
29 km/h
Humidity
77%
Precipitation
1 mm
UV Index
4
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:45 AM
Sunset
06:17 PM
Moonrise
12:14 AM
Moonset
03:44 PM
Moon Phase
Waning Crescent
Moon Illumination
25%
Air Quality
PM2.5
6.6
μg/m³
PM10
9.6
μg/m³
NO₂
3.7
μg/m³
O₃
60.5
μg/m³
SO₂
0.9
μg/m³
CO
140.9
μg/m³
Sunny
Tuesday, October 06, 2026
High
14°C
Low
5°C
Rain Chance
2%
Hourly Forecast
7°C
6°C
7°C
6°C
6°C
5°C
5°C
5°C
7°C
7°C
9°C
10°C
12°C
13°C
14°C
13°C
13°C
13°C
11°C
10°C
8°C
7°C
7°C
6°C
Day Statistics
Maximum Wind
30 km/h
Humidity
51%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
06:46 AM
Sunset
06:16 PM
Moonrise
01:33 AM
Moonset
04:14 PM
Moon Phase
Waning Crescent
Moon Illumination
16%
Air Quality
PM2.5
0.3
μg/m³
PM10
0.3
μg/m³
NO₂
1.1
μg/m³
O₃
62.7
μg/m³
SO₂
0.3
μg/m³
CO
162.8
μg/m³
Sunny
Wednesday, October 07, 2026
High
16°C
Low
5°C
Rain Chance
3%
Hourly Forecast
6°C
5°C
5°C
5°C
5°C
5°C
5°C
6°C
6°C
9°C
11°C
13°C
14°C
15°C
16°C
16°C
16°C
16°C
15°C
13°C
12°C
11°C
11°C
10°C
Day Statistics
Maximum Wind
17 km/h
Humidity
55%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
06:47 AM
Sunset
06:14 PM
Moonrise
02:53 AM
Moonset
04:39 PM
Moon Phase
Waning Crescent
Moon Illumination
9%
Sunny
Thursday, October 08, 2026
High
17°C
Low
10°C
Rain Chance
11%
Hourly Forecast
10°C
10°C
10°C
10°C
10°C
10°C
11°C
11°C
11°C
13°C
14°C
15°C
16°C
16°C
17°C
17°C
17°C
17°C
16°C
14°C
13°C
13°C
13°C
12°C
Day Statistics
Maximum Wind
21 km/h
Humidity
72%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
11%
Snow Chance
0%
Sun & Moon
Sunrise
06:48 AM
Sunset
06:12 PM
Moonrise
04:11 AM
Moonset
05:02 PM
Moon Phase
Waning Crescent
Moon Illumination
4%
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