Weather Forecast for Portsmouth (US)
New Hampshire, United States of America
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Current Weather - Portsmouth (US): -1°C
Current Weather - Portsmouth (US): -1°C
New Hampshire, United States of America
Partly cloudy
Feels like -7°C
Wind
21 km/h SW
Humidity
89%
Pressure
1012 mb
UV Index
0
Visibility
16 km
Patchy moderate snow
Thursday, January 22, 2026
High
7°C
Low
-4°C
Rain Chance
63%
Hourly Forecast
6°C
6°C
5°C
4°C
4°C
4°C
2°C
1°C
1°C
-1°C
-1°C
Day Statistics
Maximum Wind
28 km/h
Humidity
68%
Precipitation
1 mm
UV Index
0
Visibility
9 km
Rain Chance
63%
Snow Chance
19%
Sun & Moon
Sunrise
07:08 AM
Sunset
04:43 PM
Moonrise
09:04 AM
Moonset
09:03 PM
Moon Phase
Waxing Crescent
Moon Illumination
10%
Air Quality
PM2.5
7.4
μg/m³
PM10
8.4
μg/m³
NO₂
8.9
μg/m³
O₃
72.2
μg/m³
SO₂
3.9
μg/m³
CO
206.3
μg/m³
Cloudy
Friday, January 23, 2026
High
-1°C
Low
-11°C
Rain Chance
0%
Hourly Forecast
-2°C
-3°C
-4°C
-5°C
-5°C
-5°C
-6°C
-6°C
-6°C
-5°C
-5°C
-4°C
-3°C
-2°C
-2°C
-2°C
-3°C
-4°C
-5°C
-6°C
-6°C
-7°C
-9°C
-10°C
Day Statistics
Maximum Wind
30 km/h
Humidity
48%
Precipitation
0 mm
UV Index
0
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:07 AM
Sunset
04:44 PM
Moonrise
09:24 AM
Moonset
10:13 PM
Moon Phase
Waxing Crescent
Moon Illumination
18%
Air Quality
PM2.5
3
μg/m³
PM10
3.1
μg/m³
NO₂
4.3
μg/m³
O₃
77.4
μg/m³
SO₂
1.8
μg/m³
CO
179
μg/m³
Sunny
Saturday, January 24, 2026
High
-11°C
Low
-16°C
Rain Chance
0%
Hourly Forecast
-10°C
-11°C
-12°C
-13°C
-13°C
-14°C
-15°C
-16°C
-15°C
-15°C
-14°C
-13°C
-13°C
-12°C
-11°C
-11°C
-11°C
-12°C
-13°C
-14°C
-15°C
-15°C
-11°C
-14°C
Day Statistics
Maximum Wind
30 km/h
Humidity
36%
Precipitation
0 mm
UV Index
0
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:06 AM
Sunset
04:45 PM
Moonrise
09:45 AM
Moonset
11:27 PM
Moon Phase
Waxing Crescent
Moon Illumination
26%
Air Quality
PM2.5
2
μg/m³
PM10
2.2
μg/m³
NO₂
2.5
μg/m³
O₃
71.4
μg/m³
SO₂
1.2
μg/m³
CO
164.9
μg/m³
Moderate or heavy snow showers
Sunday, January 25, 2026
High
-10°C
Low
-16°C
Rain Chance
80%
Hourly Forecast
-15°C
-16°C
-15°C
-15°C
-16°C
-16°C
-16°C
-16°C
-15°C
-14°C
-13°C
-13°C
-12°C
-11°C
-11°C
-11°C
-11°C
-11°C
-10°C
-10°C
-10°C
-10°C
-13°C
-12°C
Day Statistics
Maximum Wind
21 km/h
Humidity
55%
Precipitation
2 mm
UV Index
0
Visibility
9 km
Rain Chance
80%
Snow Chance
23%
Sun & Moon
Sunrise
07:05 AM
Sunset
04:46 PM
Moonrise
10:07 AM
Moonset
No moonset
Moon Phase
Waxing Crescent
Moon Illumination
37%
Air Quality
PM2.5
2.6
μg/m³
PM10
2.8
μg/m³
NO₂
4.3
μg/m³
O₃
68.3
μg/m³
SO₂
1.5
μg/m³
CO
180.9
μg/m³
Light snow
Monday, January 26, 2026
High
-7°C
Low
-11°C
Rain Chance
71%
Hourly Forecast
-11°C
-11°C
-11°C
-10°C
-11°C
-11°C
-11°C
-11°C
-11°C
-10°C
-10°C
-9°C
-8°C
-8°C
-7°C
-7°C
-7°C
-7°C
-8°C
-8°C
-8°C
-8°C
-8°C
-8°C
Day Statistics
Maximum Wind
21 km/h
Humidity
87%
Precipitation
2 mm
UV Index
0
Visibility
8 km
Rain Chance
71%
Snow Chance
68%
Sun & Moon
Sunrise
07:04 AM
Sunset
04:48 PM
Moonrise
10:35 AM
Moonset
12:42 AM
Moon Phase
First Quarter
Moon Illumination
48%
Air Quality
PM2.5
3.6
μg/m³
PM10
4.2
μg/m³
NO₂
4.5
μg/m³
O₃
71.6
μg/m³
SO₂
1.6
μg/m³
CO
173
μg/m³
Partly Cloudy
Tuesday, January 27, 2026
High
-4°C
Low
-12°C
Rain Chance
0%
Hourly Forecast
-9°C
-9°C
-10°C
-10°C
-11°C
-11°C
-11°C
-11°C
-10°C
-9°C
-8°C
-6°C
-5°C
-5°C
-4°C
-5°C
-5°C
-5°C
-6°C
-6°C
-6°C
-6°C
-6°C
-6°C
Day Statistics
Maximum Wind
23 km/h
Humidity
69%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:03 AM
Sunset
04:49 PM
Moonrise
11:10 AM
Moonset
02:01 AM
Moon Phase
Waxing Gibbous
Moon Illumination
59%
Partly Cloudy
Wednesday, January 28, 2026
High
-1°C
Low
-7°C
Rain Chance
0%
Hourly Forecast
-6°C
-6°C
-7°C
-7°C
-7°C
-7°C
-7°C
-6°C
-5°C
-4°C
-3°C
-2°C
-2°C
-1°C
-1°C
-1°C
-2°C
-3°C
-4°C
-4°C
-4°C
-4°C
-5°C
-5°C
Day Statistics
Maximum Wind
21 km/h
Humidity
71%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:03 AM
Sunset
04:50 PM
Moonrise
11:55 AM
Moonset
03:20 AM
Moon Phase
Waxing Gibbous
Moon Illumination
70%
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