Portsmouth, New Hampshire Hourly Weather

Overcast 10°

Overcast, feels like 10°.

Portsmouth, New Hampshire, New Hampshire, United States · Wednesday, 4 November 2026 03:30 local time

Low/High
10°/25°
Humidity
96%
Visibility
0.2 km
Wind
2.9 km/h
Dew point
9°
UV
0.0

Next 24 Hours

Portsmouth, New Hampshire Hourly Weather — 48 hours ahead

TimeWeatherTemperatureFeels likeRainHumidityWind
Partly cloudy 10°9°0% 93%1 km/h
Overcast 10°10°0% 99%4 km/h
Overcast 11°10°0% 100%4 km/h
Overcast 10°10°0% 98%2 km/h
Partly cloudy 10°9°0% 100%3 km/h
Partly cloudy 13°12°0% 74%6 km/h
Overcast 16°15°0% 64%7 km/h
Mostly clear 20°20°0% 54%6 km/h
Partly cloudy 23°22°0% 47%8 km/h
Mostly clear 24°23°0% 43%10 km/h
Mostly clear 25°23°0% 41%12 km/h
Clear sky 25°23°0% 41%12 km/h
Clear sky 25°23°0% 42%11 km/h
Mostly clear 23°22°0% 46%8 km/h
Overcast 20°18°0% 52%9 km/h
Mostly clear 19°17°0% 54%11 km/h
Clear sky 18°16°0% 59%10 km/h
Clear sky 17°15°0% 65%9 km/h
Clear sky 16°15°0% 71%10 km/h
Clear sky 16°14°0% 73%11 km/h
Clear sky 15°14°0% 75%11 km/h
Clear sky 14°13°0% 77%10 km/h
Clear sky 14°12°0% 80%10 km/h
Clear sky 14°12°0% 77%11 km/h
Clear sky 13°11°0% 81%9 km/h
Mostly clear 12°11°0% 87%7 km/h
Partly cloudy 11°10°0% 87%8 km/h
Overcast 11°10°0% 88%8 km/h
Overcast 11°10°0% 91%7 km/h
Overcast 15°14°0% 88%12 km/h
Overcast 18°16°0% 79%19 km/h
Overcast 20°18°0% 74%19 km/h
Overcast 22°20°1% 68%22 km/h
Overcast 22°21°3% 65%22 km/h
Overcast 22°21°6% 66%20 km/h
Overcast 21°21°13% 69%16 km/h
Overcast 22°21°21% 67%20 km/h
Overcast 21°21°26% 68%11 km/h
Overcast 20°20°25% 72%6 km/h
Overcast 19°19°20% 76%9 km/h
Overcast 18°17°16% 81%10 km/h
Overcast 17°17°12% 88%10 km/h
Partly cloudy 17°17°8% 90%11 km/h
Partly cloudy 17°17°6% 91%12 km/h
Partly cloudy 17°17°8% 90%13 km/h
Overcast 17°17°13% 92%12 km/h
Overcast 17°17°19% 89%11 km/h
Overcast 17°17°26% 91%13 km/h

Summary

Over the next 48 hours in Portsmouth, New Hampshire, temperatures range from 10–25°C. The chance of rain stays low (26% at most).

Updated at 03:33 local time, 4 November 2026

Portsmouth, New Hampshire Hourly Temperature and Chance of Rain

Portsmouth, New Hampshire Air Quality

Good · AQI 45

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

PM2.5 (µg/m³)12
PM10 (µg/m³)13
O₃ (µg/m³)39
NO₂ (µg/m³)22
SO₂ (µg/m³)2.1
CO (µg/m³)336

Air Quality →

Weather Near Portsmouth, New Hampshire
Gloucester, Massachusetts 52 kmLawrence 53 kmManchester 57 kmLowell 67 kmNashua 67 kmLynn 70 kmPortland 76 kmSomerville 82 kmMount Washington 140 km
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