Portsmouth, NH Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Mostly Cloudy 40°F
Feels Like 40°F  
Humidity 63% Dew Point 28°F Wind Calm Barometer 29.89 in.759.2 mm
Report from a personal weather station 0.4 miles WNW of central Portsmouth
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Point Forecast at a Glance

FriNov 14
Fri Nov 14: Mostly Clear, Low 27F
 
27
SatNov 15
Sat Nov 15: Increasing Clouds, High 43F, Low 36F
43
36
SunNov 16
Sun Nov 16: Rain Likely, High 50F, Low 29F
70%
50
29
MonNov 17
Mon Nov 17: Mostly Sunny, High 42F, Low 30F
42
30
TueNov 18
Tue Nov 18: Sunny, High 46F, Low 28F
46
28
WedNov 19
Wed Nov 19: Sunny, High 46F, Low 28F
46
28
ThuNov 20
Thu Nov 20: Mostly Sunny, High 47F, Low 34F
47
34

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 42°F to 50°F. Some rain possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 3°F below the historical average for November. Normal highs for this period are around 49°F with lows around 31°F.

This Date in Weather History

1974 - A storm produced 15 inches of snow at the Buffalo, NY, airport, and 30 inches on the south shore of Lake Erie.

More on this and other weather history

Portsmouth, NH 7 Day Weather Forecast Details

Friday Nov 14

Mostly Clear

Night: Mostly clear, with a low around 27. Northwest wind around 5 mph.

Saturday Nov 15

Increasing Clouds

Day: Increasing clouds, with a high near 43. West wind around 5 mph.

Rain

Night: Rain, mainly after 9pm. Low around 36. Southwest wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Nov 16

Rain Likely

Day: Rain likely, mainly before 9am. Partly sunny, with a high near 50. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

Mostly Cloudy

Night: Mostly cloudy, with a low around 29. West wind 10 to 15 mph, with gusts as high as 30 mph.

Monday Nov 17

Mostly Sunny

Day: Mostly sunny, with a high near 42.

Mostly Clear

Night: Mostly clear, with a low around 30.

Tuesday Nov 18

Sunny

Day: Sunny, with a high near 46.

Mostly Clear

Night: Mostly clear, with a low around 28.

Wednesday Nov 19

Sunny

Day: Sunny, with a high near 46.

Partly Cloudy

Night: Partly cloudy, with a low around 28.

Thursday Nov 20

Mostly Sunny

Day: Mostly sunny, with a high near 47.

Showers

Night: Scattered showers. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

Friday Nov 21

Showers

Day: Scattered showers. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.


About Portsmouth, NH

Portsmouth is a city in Rockingham County, New Hampshire, United States. At the 2020 census it had a population of 21,956. A historic seaport and popular summer tourist destination on the Piscataqua River bordering the state of Maine, Portsmouth was formerly the home of the Strategic Air Command's Pease Air Force Base, since converted to Portsmouth International Airport at Pease.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.