Weather forecast for 10 days
Portsmouth, NH

Weather forecast for the weekend

Sunday, Jun 15.

Partly Cloudy
5:01 am

8:25 pm
EDT
Partly Cloudy
64°F / 52°F
  • Wind: 8mph ESE
  • Humidity: 73%
  • Precip. probability: 4%
  • Precipitation: 0"
  • UV index: 8
On Sunday, June 15, variable cloud cover will persist, but sunshine will break through.
Temperatures will oscillate between a breezy 64.4°F at their highest and a fresh 51.8°F at their lowest.
Today, the expected high will be moderately lower than the average June maximum of 69.3°F.
Sunrise will be at 5:01 am and sunset at 8:25 pm; the daylight will last for 15h and 25min.

Frequently asked questions

What is the weather forecast for Portsmouth for the next ten days?
In Portsmouth, predominantly dull and occasionally lightning-active weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rain is predicted for Wednesday and Friday in Portsmouth. With light precipitation of 0.16", Friday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will vary between 64.4°F and 84.2°F, as the minimum temperature will vary between 51.8°F and 68°F.
What will be the hottest and the coldest days?
With a maximum temperature of 84.2°F, next Monday and Tuesday will be the hottest days. Today is the coldest day, with a maximum temperature of 64.4°F.

Long-term weather forecast

SunJun 15.
  • 64°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Wind: 8mph ESE
  • Humidity: 73%
  • UV index: 8
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:01 am 8:25 pm EDT
MonJun 16.
  • 66°F
  • 55°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SE
  • Humidity: 75%
  • UV index: 8
  • Precip. probability: 11%
  • Precipitation: 0"
  • 5:01 am 8:26 pm EDT
TueJun 17.
  • 66°F
  • 59°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 8mph ESE
  • Humidity: 79%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:01 am 8:26 pm EDT
WedJun 18.
  • 75°F
  • 64°F
AM Clouds / PM Sun
AM Clouds / PM Sun
  • Wind: 9mph S
  • Humidity: 81%
  • UV index: 5
  • Precip. probability: 24%
  • Precipitation: 0.08"
  • 5:01 am 8:27 pm EDT
ThuJun 19.
  • 81°F
  • 64°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 10mph SSW
  • Humidity: 73%
  • UV index: 7
  • Precip. probability: 41%
  • Precipitation: 0"
  • 5:01 am 8:27 pm EDT
FriJun 20.
  • 77°F
  • 61°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph W
  • Humidity: 67%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0.16"
  • 5:01 am 8:27 pm EDT
SatJun 21.
  • 75°F
  • 63°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SW
  • Humidity: 57%
  • UV index: 8
  • Precip. probability: 14%
  • Precipitation: 0"
  • 5:02 am 8:27 pm EDT
SunJun 22.
  • 81°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SSW
  • Humidity: 62%
  • UV index: 8
  • Precip. probability: 19%
  • Precipitation: 0"
  • 5:02 am 8:27 pm EDT
MonJun 23.
  • 84°F
  • 68°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph SW
  • Humidity: 64%
  • UV index: 8
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:02 am 8:28 pm EDT
TueJun 24.
  • 84°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Wind: 10mph WSW
  • Humidity: 60%
  • UV index: 8
  • Precip. probability: 23%
  • Precipitation: 0"
  • 5:03 am 8:28 pm EDT
For the next ten days, primarily dull and occasionally unstable weather is expected.
Rain is predicted for Wednesday and Friday.
Temperature differences will be noticeable over the next several days. Forecast highs will fluctuate between 64.4°F and 84.2°F, while the lowest nightly temperature differences will be also quite pronounced, as nighttime lows are forecast to fall between 51.8°F and 68°F.
Next Monday and Tuesday, with the highest temperature of 84.2°F, will be the hottest days in Portsmouth; today is the coldest day, with a maximum temperature of 64.4°F.
Updated: Jun 15, 2025 @ 05:13:28 UTC
Published by: Weather U.S. | About Us
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