Partly cloudy 10°

Partly cloudy, feels like 9°.

Portsmouth, New Hampshire, New Hampshire, United States · Wednesday, 4 November 2026 02:30 local time

Low/High
10°/25°
Humidity
92%
Visibility
12.2 km
Wind
3.2 km/h
Dew point
9°
UV
0.0

Next 24 Hours

Portsmouth, New Hampshire Hourly Weather

Portsmouth, New Hampshire 7-Day Forecast

Portsmouth, New Hampshire 7-Day Forecast
DateLow/HighWeatherChance of rainWindSummary
10 °/25 ° Overcast Overcast 0% 13 km/h
Today Weather

Low/High10°/25°

Humidity70%

Pressure1017 hPa

Sunrise/Sunset

12 °/23 ° Overcast Overcast 26% 24 km/h
Thu 5 Nov Weather

Low/High12°/23°

Humidity79%

Pressure1012 hPa

Sunrise/Sunset

15 °/19 ° Light showers Light showers 83% 17 km/h
Fri 6 Nov Weather

Low/High15°/19°

Humidity93%

Pressure1010 hPa

Sunrise/Sunset

11 °/17 ° Moderate rain Moderate rain 83% 17 km/h
Sat 7 Nov Weather

Low/High11°/17°

Humidity89%

Pressure1005 hPa

Sunrise/Sunset

7 °/11 ° Light showers Light showers 35% 22 km/h
Sun 8 Nov Weather

Low/High7°/11°

Humidity85%

Pressure1000 hPa

Sunrise/Sunset

6 °/13 ° Overcast Overcast 13% 23 km/h
Mon 9 Nov Weather

Low/High6°/13°

Humidity60%

Pressure1010 hPa

Sunrise/Sunset

7 °/17 ° Overcast Overcast 3% 23 km/h
Tue 10 Nov Weather

Low/High7°/17°

Humidity68%

Pressure1010 hPa

Sunrise/Sunset

Portsmouth, New Hampshire Weather Summary

Portsmouth, New Hampshire, Wednesday 4 November 2026: partly cloudy, 10°C (feels like 9°C), with a range of 10–25°C today. The chance of rain over the next 24 hours is low (0% at most). Tomorrow: overcast, 12–23°C — see weather tomorrow or the hourly forecast.

Updated at 02:33 local time, 4 November 2026

Portsmouth, New Hampshire Hourly Temperature and Chance of Rain

Portsmouth, New Hampshire Temperature and Chance of Rain, Next Days

About Portsmouth, New Hampshire

Portsmouth, New Hampshire is a city in New Hampshire, the United States. The forecast uses the local point at 43.08°N, 70.76°W, about 13 m above sea level. Local time is UTC−5 (America/New York). Data combine the ECMWF, ICON and GFS weather models and refresh every 15 minutes; for official warnings, follow the national weather service.

Portsmouth, New Hampshire Air Quality

Good · AQI 44

Air quality is good and poses little or no risk for outdoor activity.

PM2.5 (µg/m³)14
PM10 (µg/m³)14
O₃ (µg/m³)35
NO₂ (µg/m³)27
SO₂ (µg/m³)2.3
CO (µg/m³)368
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