Weather Forecast for Portsmouth (US)
New Hampshire, United States of America
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Current Weather - Portsmouth (US): -10°C
Current Weather - Portsmouth (US): -10°C
New Hampshire, United States of America
Partly cloudy
Feels like -19°C
Wind
23 km/h W
Humidity
41%
Pressure
1006 mb
UV Index
0
Visibility
16 km
Sunny
Friday, January 02, 2026
High
-0°C
Low
-11°C
Rain Chance
0%
Hourly Forecast
-10°C
-9°C
-8°C
-6°C
-5°C
-4°C
-3°C
-2°C
-2°C
-2°C
-2°C
-2°C
-3°C
-4°C
-5°C
-6°C
-6°C
Day Statistics
Maximum Wind
23 km/h
Humidity
52%
Precipitation
0 mm
UV Index
0
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:15 AM
Sunset
04:20 PM
Moonrise
03:15 PM
Moonset
06:51 AM
Moon Phase
Waxing Gibbous
Moon Illumination
97%
Air Quality
PM2.5
3
μg/m³
PM10
3.1
μg/m³
NO₂
4.1
μg/m³
O₃
76.9
μg/m³
SO₂
1.7
μg/m³
CO
166.1
μg/m³
Sunny
Saturday, January 03, 2026
High
-0°C
Low
-7°C
Rain Chance
0%
Hourly Forecast
-6°C
-6°C
-6°C
-6°C
-6°C
-6°C
-6°C
-6°C
-5°C
-4°C
-3°C
-3°C
-2°C
-2°C
-2°C
-1°C
-1°C
-2°C
-2°C
-3°C
-4°C
-4°C
-5°C
-5°C
Day Statistics
Maximum Wind
24 km/h
Humidity
57%
Precipitation
0 mm
UV Index
0
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:15 AM
Sunset
04:21 PM
Moonrise
04:32 PM
Moonset
07:49 AM
Moon Phase
Full Moon
Moon Illumination
100%
Air Quality
PM2.5
4.2
μg/m³
PM10
4.2
μg/m³
NO₂
6.3
μg/m³
O₃
72.1
μg/m³
SO₂
1.8
μg/m³
CO
192.5
μg/m³
Overcast
Sunday, January 04, 2026
High
-1°C
Low
-7°C
Rain Chance
0%
Hourly Forecast
-5°C
-5°C
-6°C
-6°C
-6°C
-6°C
-6°C
-5°C
-5°C
-4°C
-4°C
-3°C
-2°C
-1°C
-1°C
-1°C
-1°C
-1°C
-1°C
-2°C
-5°C
-6°C
-5°C
-6°C
Day Statistics
Maximum Wind
16 km/h
Humidity
67%
Precipitation
0 mm
UV Index
0
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:15 AM
Sunset
04:22 PM
Moonrise
05:53 PM
Moonset
08:32 AM
Moon Phase
Waning Gibbous
Moon Illumination
99%
Air Quality
PM2.5
5.3
μg/m³
PM10
5.4
μg/m³
NO₂
7.9
μg/m³
O₃
64.7
μg/m³
SO₂
1.7
μg/m³
CO
196.6
μg/m³
Light freezing rain
Monday, January 05, 2026
High
-6°C
Low
-12°C
Rain Chance
71%
Hourly Forecast
-7°C
-8°C
-9°C
-10°C
-10°C
-11°C
-11°C
-11°C
-12°C
-11°C
-10°C
-9°C
-8°C
-7°C
-7°C
-7°C
-7°C
-7°C
-7°C
-7°C
-7°C
-7°C
-7°C
-7°C
Day Statistics
Maximum Wind
22 km/h
Humidity
67%
Precipitation
0 mm
UV Index
0
Visibility
10 km
Rain Chance
71%
Snow Chance
28%
Sun & Moon
Sunrise
07:15 AM
Sunset
04:23 PM
Moonrise
07:12 PM
Moonset
09:06 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
Air Quality
PM2.5
4.7
μg/m³
PM10
4.8
μg/m³
NO₂
5.4
μg/m³
O₃
66.2
μg/m³
SO₂
1.6
μg/m³
CO
189.3
μg/m³
Heavy snow
Tuesday, January 06, 2026
High
-0°C
Low
-6°C
Rain Chance
63%
Hourly Forecast
-6°C
-6°C
-6°C
-5°C
-5°C
-5°C
-4°C
-4°C
-3°C
-3°C
-2°C
-1°C
-1°C
-1°C
-1°C
-1°C
-1°C
-1°C
-1°C
-2°C
-3°C
-3°C
-4°C
-5°C
Day Statistics
Maximum Wind
11 km/h
Humidity
93%
Precipitation
3 mm
UV Index
0
Visibility
5 km
Rain Chance
63%
Snow Chance
58%
Sun & Moon
Sunrise
07:15 AM
Sunset
04:24 PM
Moonrise
08:26 PM
Moonset
09:32 AM
Moon Phase
Waning Gibbous
Moon Illumination
91%
Moderate or heavy snow showers
Wednesday, January 07, 2026
High
0°C
Low
-7°C
Rain Chance
72%
Hourly Forecast
-5°C
-6°C
-6°C
-6°C
-7°C
-7°C
-7°C
-7°C
-6°C
-5°C
-4°C
-2°C
-2°C
-1°C
-0°C
-0°C
-0°C
-0°C
0°C
0°C
1°C
1°C
1°C
1°C
Day Statistics
Maximum Wind
12 km/h
Humidity
90%
Precipitation
2 mm
UV Index
1
Visibility
9 km
Rain Chance
72%
Snow Chance
9%
Sun & Moon
Sunrise
07:15 AM
Sunset
04:25 PM
Moonrise
09:36 PM
Moonset
09:54 AM
Moon Phase
Waning Gibbous
Moon Illumination
84%
Patchy rain nearby
Thursday, January 08, 2026
High
6°C
Low
-1°C
Rain Chance
84%
Hourly Forecast
1°C
1°C
2°C
1°C
1°C
1°C
1°C
1°C
1°C
2°C
3°C
4°C
4°C
5°C
5°C
4°C
4°C
3°C
2°C
2°C
1°C
0°C
-1°C
-1°C
Day Statistics
Maximum Wind
21 km/h
Humidity
89%
Precipitation
0 mm
UV Index
1
Visibility
7 km
Rain Chance
84%
Snow Chance
0%
Sun & Moon
Sunrise
07:15 AM
Sunset
04:26 PM
Moonrise
10:42 PM
Moonset
10:13 AM
Moon Phase
Waning Gibbous
Moon Illumination
75%
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