Weather Forecast for Portsmouth US
New Hampshire, United States of America
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Current Weather - Portsmouth US: 3°C
Current Weather - Portsmouth US: 3°C
New Hampshire, United States of America
Partly cloudy
Feels like -2°C
Wind
22 km/h SW
Humidity
86%
Pressure
990 mb
UV Index
0
Visibility
16 km
Patchy moderate snow
Thursday, December 11, 2025
High
2°C
Low
-6°C
Rain Chance
89%
Hourly Forecast
0°C
1°C
1°C
0°C
-0°C
-0°C
-1°C
-2°C
-3°C
-3°C
-4°C
-5°C
-5°C
-5°C
-6°C
Day Statistics
Maximum Wind
31 km/h
Humidity
66%
Precipitation
1 mm
UV Index
0
Visibility
10 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
07:05 AM
Sunset
04:08 PM
Moonrise
11:52 PM
Moonset
11:52 AM
Moon Phase
Last Quarter
Moon Illumination
59%
Air Quality
PM2.5
2.4
μg/m³
PM10
2.5
μg/m³
NO₂
8.2
μg/m³
O₃
60.5
μg/m³
SO₂
3.2
μg/m³
CO
212.2
μg/m³
Sunny
Friday, December 12, 2025
High
1°C
Low
-8°C
Rain Chance
0%
Hourly Forecast
-6°C
-6°C
-6°C
-7°C
-7°C
-7°C
-7°C
-7°C
-6°C
-5°C
-4°C
-2°C
-1°C
-0°C
0°C
0°C
0°C
-1°C
-2°C
-3°C
-4°C
-4°C
-5°C
-5°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
07:06 AM
Sunset
04:08 PM
Moonrise
No moonrise
Moonset
12:09 PM
Moon Phase
Waning Crescent
Moon Illumination
49%
Air Quality
PM2.5
2.2
μg/m³
PM10
2.6
μg/m³
NO₂
2.8
μg/m³
O₃
78
μg/m³
SO₂
1.6
μg/m³
CO
163.5
μg/m³
Sunny
Saturday, December 13, 2025
High
2°C
Low
-7°C
Rain Chance
0%
Hourly Forecast
-5°C
-6°C
-6°C
-6°C
-7°C
-7°C
-7°C
-7°C
-6°C
-6°C
-5°C
-3°C
-1°C
1°C
1°C
2°C
2°C
1°C
0°C
-1°C
-1°C
-2°C
-3°C
-3°C
Day Statistics
Maximum Wind
23 km/h
Humidity
63%
Precipitation
0 mm
UV Index
0
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:07 AM
Sunset
04:08 PM
Moonrise
12:55 AM
Moonset
12:27 PM
Moon Phase
Waning Crescent
Moon Illumination
39%
Air Quality
PM2.5
3.7
μg/m³
PM10
3.9
μg/m³
NO₂
6.2
μg/m³
O₃
72.5
μg/m³
SO₂
1.8
μg/m³
CO
198.8
μg/m³
Partly Cloudy
Sunday, December 14, 2025
High
0°C
Low
-3°C
Rain Chance
0%
Hourly Forecast
-2°C
-2°C
-2°C
-2°C
-2°C
-2°C
-2°C
-3°C
-3°C
-3°C
-2°C
-2°C
-1°C
-0°C
-0°C
-0°C
-1°C
-2°C
-2°C
-2°C
-3°C
-3°C
-3°C
-3°C
Day Statistics
Maximum Wind
18 km/h
Humidity
63%
Precipitation
0 mm
UV Index
0
Visibility
10 km
Rain Chance
0%
Snow Chance
16%
Sun & Moon
Sunrise
07:07 AM
Sunset
04:09 PM
Moonrise
01:59 AM
Moonset
12:46 PM
Moon Phase
Waning Crescent
Moon Illumination
30%
Air Quality
PM2.5
11.9
μg/m³
PM10
11.9
μg/m³
NO₂
17.8
μg/m³
O₃
46.5
μg/m³
SO₂
6.6
μg/m³
CO
256.3
μg/m³
Partly Cloudy
Monday, December 15, 2025
High
-4°C
Low
-6°C
Rain Chance
0%
Hourly Forecast
-4°C
-4°C
-4°C
-5°C
-5°C
-6°C
-6°C
-6°C
-6°C
-6°C
-5°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
-6°C
Day Statistics
Maximum Wind
27 km/h
Humidity
59%
Precipitation
0 mm
UV Index
0
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:08 AM
Sunset
04:09 PM
Moonrise
03:02 AM
Moonset
01:08 PM
Moon Phase
Waning Crescent
Moon Illumination
22%
Overcast
Tuesday, December 16, 2025
High
-1°C
Low
-6°C
Rain Chance
0%
Hourly Forecast
-6°C
-6°C
-6°C
-6°C
-6°C
-6°C
-6°C
-6°C
-6°C
-5°C
-5°C
-4°C
-3°C
-2°C
-2°C
-2°C
-2°C
-3°C
-3°C
-4°C
-4°C
-4°C
-5°C
-5°C
Day Statistics
Maximum Wind
16 km/h
Humidity
58%
Precipitation
0 mm
UV Index
1
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:09 AM
Sunset
04:09 PM
Moonrise
04:06 AM
Moonset
01:33 PM
Moon Phase
Waning Crescent
Moon Illumination
14%
Sunny
Wednesday, December 17, 2025
High
2°C
Low
-6°C
Rain Chance
0%
Hourly Forecast
-5°C
-5°C
-5°C
-6°C
-6°C
-6°C
-6°C
-6°C
-5°C
-4°C
-3°C
-2°C
-1°C
1°C
1°C
1°C
1°C
1°C
0°C
0°C
0°C
0°C
1°C
1°C
Day Statistics
Maximum Wind
23 km/h
Humidity
62%
Precipitation
0 mm
UV Index
2
Visibility
10 km
Rain Chance
0%
Snow Chance
0%
Sun & Moon
Sunrise
07:10 AM
Sunset
04:10 PM
Moonrise
05:11 AM
Moonset
02:03 PM
Moon Phase
Waning Crescent
Moon Illumination
8%
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