Portsmouth (US)
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Weather Forecast for Portsmouth (US)

New Hampshire, United States of America

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Partly cloudy

Current Weather - Portsmouth (US): -4°C

New Hampshire, United States of America

Partly cloudy

Feels like -8°C

Wind

11 km/h WSW

Humidity

52%

Pressure

1017 mb

UV Index

0

Visibility

16 km
Sunny

Sunny

Saturday, February 14, 2026

High

5°C

Low

-7°C

Rain Chance

0%

Hourly Forecast

Sunny -7°C
07:00
Sunny -6°C
08:00
Sunny -4°C
09:00
Sunny -2°C
10:00
Sunny 0°C
11:00
Sunny 3°C
12:00
Sunny 4°C
13:00
Sunny 4°C
14:00
Partly Cloudy 4°C
15:00
Cloudy 3°C
16:00
Overcast 3°C
17:00
Cloudy 3°C
18:00
Partly Cloudy 2°C
19:00
Clear 2°C
20:00
Clear 1°C
21:00
Clear 1°C
22:00
Clear 0°C
23:00
Feb 15

Day Statistics

Maximum Wind

14 km/h

Humidity

65%

Precipitation

0 mm

UV Index

0

Visibility

10 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

06:42 AM

Sunset

05:13 PM

Moonrise

05:23 AM

Moonset

02:07 PM

Moon Phase

Waning Crescent

Moon Illumination

12%

Air Quality

PM2.5

5.8

μg/m³

PM10

5.9

μg/m³

NO₂

6.9

μg/m³

O₃

78.8

μg/m³

SO₂

2.1

μg/m³

CO

220.1

μg/m³

US EPA Index: 1 GB DEFRA Index: 1