Weather Forecast for Portsmouth (US)
New Hampshire, United States of America
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Current Weather - Portsmouth (US): 11°C
Current Weather - Portsmouth (US): 11°C
New Hampshire, United States of America
Overcast
Feels like 8°C
Wind
21 km/h SSW
Humidity
70%
Pressure
1017 mb
UV Index
0
Visibility
10 km
Overcast
Friday, October 16, 2026
High
18°C
Low
9°C
Rain Chance
86%
Hourly Forecast
13°C
15°C
15°C
16°C
17°C
17°C
18°C
18°C
18°C
18°C
18°C
17°C
16°C
Day Statistics
Maximum Wind
28 km/h
Humidity
87%
Precipitation
5 mm
UV Index
1
Visibility
8 km
Rain Chance
86%
Snow Chance
0%
Sun & Moon
Sunrise
06:57 AM
Sunset
05:59 PM
Moonrise
01:29 PM
Moonset
09:58 PM
Moon Phase
First Quarter
Moon Illumination
37%
Air Quality
PM2.5
6.6
μg/m³
PM10
7.3
μg/m³
NO₂
11.8
μg/m³
O₃
59.5
μg/m³
SO₂
1.1
μg/m³
CO
187.7
μg/m³
Overcast
Saturday, October 17, 2026
High
15°C
Low
3°C
Rain Chance
9%
Hourly Forecast
15°C
13°C
11°C
10°C
9°C
8°C
8°C
8°C
8°C
8°C
8°C
8°C
9°C
9°C
9°C
9°C
9°C
8°C
6°C
5°C
4°C
4°C
3°C
3°C
Day Statistics
Maximum Wind
30 km/h
Humidity
58%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
9%
Snow Chance
0%
Sun & Moon
Sunrise
06:59 AM
Sunset
05:57 PM
Moonrise
02:09 PM
Moonset
11:01 PM
Moon Phase
First Quarter
Moon Illumination
47%
Air Quality
PM2.5
1.6
μg/m³
PM10
2.3
μg/m³
NO₂
1.5
μg/m³
O₃
68.2
μg/m³
SO₂
0.7
μg/m³
CO
126.9
μg/m³
Sunny
Sunday, October 18, 2026
High
9°C
Low
1°C
Rain Chance
3%
Hourly Forecast
2°C
2°C
1°C
1°C
1°C
1°C
1°C
1°C
2°C
4°C
6°C
7°C
8°C
8°C
8°C
8°C
9°C
8°C
7°C
7°C
7°C
7°C
7°C
7°C
Day Statistics
Maximum Wind
13 km/h
Humidity
53%
Precipitation
0 mm
UV Index
3
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
07:00 AM
Sunset
05:55 PM
Moonrise
02:41 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
58%
Air Quality
PM2.5
3.3
μg/m³
PM10
4.3
μg/m³
NO₂
3.7
μg/m³
O₃
65.3
μg/m³
SO₂
0.8
μg/m³
CO
141.9
μg/m³
Overcast
Monday, October 19, 2026
High
12°C
Low
7°C
Rain Chance
11%
Hourly Forecast
7°C
7°C
7°C
7°C
7°C
7°C
7°C
7°C
7°C
8°C
10°C
11°C
12°C
12°C
12°C
11°C
11°C
11°C
10°C
9°C
9°C
9°C
9°C
9°C
Day Statistics
Maximum Wind
21 km/h
Humidity
71%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
11%
Snow Chance
0%
Sun & Moon
Sunrise
07:01 AM
Sunset
05:54 PM
Moonrise
03:07 PM
Moonset
12:05 AM
Moon Phase
First Quarter
Moon Illumination
68%
Air Quality
PM2.5
9
μg/m³
PM10
9.7
μg/m³
NO₂
11
μg/m³
O₃
59.8
μg/m³
SO₂
1.5
μg/m³
CO
191.5
μg/m³
Overcast
Tuesday, October 20, 2026
High
14°C
Low
7°C
Rain Chance
12%
Hourly Forecast
8°C
8°C
7°C
7°C
7°C
7°C
7°C
7°C
8°C
9°C
10°C
12°C
13°C
14°C
14°C
14°C
14°C
13°C
12°C
12°C
12°C
11°C
11°C
11°C
Day Statistics
Maximum Wind
23 km/h
Humidity
71%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
12%
Snow Chance
0%
Sun & Moon
Sunrise
07:02 AM
Sunset
05:52 PM
Moonrise
03:29 PM
Moonset
01:09 AM
Moon Phase
Waxing Gibbous
Moon Illumination
77%
Air Quality
PM2.5
9.9
μg/m³
PM10
10.7
μg/m³
NO₂
9.7
μg/m³
O₃
56.6
μg/m³
SO₂
1.5
μg/m³
CO
237.9
μg/m³
Sunny
Wednesday, October 21, 2026
High
11°C
Low
8°C
Rain Chance
5%
Hourly Forecast
10°C
10°C
9°C
9°C
9°C
8°C
8°C
8°C
8°C
8°C
9°C
9°C
10°C
11°C
11°C
11°C
11°C
11°C
11°C
10°C
10°C
10°C
10°C
9°C
Day Statistics
Maximum Wind
30 km/h
Humidity
66%
Precipitation
0 mm
UV Index
4
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
07:04 AM
Sunset
05:51 PM
Moonrise
03:48 PM
Moonset
02:13 AM
Moon Phase
Waxing Gibbous
Moon Illumination
86%
Patchy rain nearby
Thursday, October 22, 2026
High
10°C
Low
7°C
Rain Chance
31%
Hourly Forecast
9°C
9°C
9°C
9°C
9°C
9°C
8°C
8°C
7°C
8°C
8°C
9°C
9°C
10°C
10°C
10°C
10°C
9°C
9°C
9°C
9°C
9°C
9°C
9°C
Day Statistics
Maximum Wind
28 km/h
Humidity
73%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
31%
Snow Chance
0%
Sun & Moon
Sunrise
07:05 AM
Sunset
05:49 PM
Moonrise
04:06 PM
Moonset
03:16 AM
Moon Phase
Waxing Gibbous
Moon Illumination
92%
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