Weather forecast for 10 days
Portsmouth, RI

Weather forecast for the weekend

Saturday, Jun 21.

Mostly Sunny
5:09 am

8:24 pm
EDT
Mostly Sunny
79°F / 66°F
  • Wind: 10mph SW
  • Humidity: 58%
  • Precip. probability: 4%
  • Precipitation: 0"
  • UV index: 9
On Saturday, June 21, mainly sunny conditions will dominate the day.
Predicted temperatures will peak at a temperate 78.8°F and dip to a minimum of an enjoyable 66.2°F.
On Saturday, the forecast leans warmer as the expected high better matches July's average of 78.3°F.
Sunrise will be at 5:09 am and sunset at 8:24 pm; the daylight will last for 15h and 15min.

Sunday, Jun 22.

Partly Cloudy
5:09 am

8:24 pm
EDT
Partly Cloudy
81°F / 66°F
  • Wind: 11mph SSW
  • Humidity: 70%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 8
On Sunday, June 22, expect a partly sunny afternoon with variable cloud cover.
The forecasted temperature range extends from a high of a warm 80.6°F to a low of a breezy 66.2°F.
On Sunday, the forecasted high will be higher and closer to July's typical value of 78.3°F than June's 70.5°F.
Sunrise will be at 5:09 am and sunset at 8:24 pm; the daylight will last for 15h and 15min.

Frequently asked questions

What is the weather forecast for Portsmouth for Saturday?
On Saturday, in Portsmouth, sunshine will lead the day, with clouds making only brief appearances.
What will be the highest temperature in Portsmouth on Saturday?
On Saturday, the highest temperature will be 78.8°F, while the lowest temperature will be 66.2°F.
What is the weather forecast for Portsmouth for Sunday?
On Sunday, in Portsmouth, a partly cloudy sky is anticipated.
What will be the highest temperature on Sunday?
On Sunday, the maximum temperature in Portsmouth will be 80.6°F, while the minimum temperature will be 66.2°F.
What is the weather forecast for Portsmouth for the next ten days?
In Portsmouth, weather will be unstable, and a combination of gloomy, dry and sunny, rainy and misty weather is forecasted for the next ten days.
Will it rain in the next ten days?
Rain is anticipated only on Thursday. With a probability of 20%, minimal precipitation of 0.08" is expected.
How hot will it be in the next ten days in Portsmouth?
The maximum temperature will range between 69.8°F and 87.8°F, as the minimum temperature will range between 59°F and 71.6°F.
Combining with the humidity, the maximum feel-like temperature will vary between 69.8°F and 95°F.
What will be the hottest and the coldest days?
With the maximum temperature of 87.8°F, next Tuesday will be the hottest day. The coldest days will be Monday and Tuesday, with a maximum of 69.8°F.

Long-term weather forecast

MonJun 16.
  • 70°F
  • 59°F
Cloudy
Cloudy
  • Wind: 10mph E
  • Humidity: 74%
  • UV index: 6
  • Precip. probability: 11%
  • Precipitation: 0"
  • 5:08 am 8:23 pm EDT
TueJun 17.
  • 70°F
  • 63°F
Cloudy
Cloudy
  • Wind: 9mph ESE
  • Humidity: 82%
  • UV index: 4
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:08 am 8:23 pm EDT
WedJun 18.
  • 73°F
  • 64°F
AM Showers
AM Showers
  • Wind: 9mph SSW
  • Humidity: 85%
  • UV index: 4
  • Precip. probability: 36%
  • Precipitation: 0"
  • 5:08 am 8:23 pm EDT
ThuJun 19.
  • 81°F
  • 66°F
AM Fog / PM Sun
AM Fog / PM Sun
  • Wind: 14mph SSW
  • Humidity: 78%
  • UV index: 9
  • Precip. probability: 20%
  • Precipitation: 0.08"
  • 5:09 am 8:23 pm EDT
FriJun 20.
  • 81°F
  • 63°F
Mostly Sunny
Mostly Sunny
  • Wind: 10mph WNW
  • Humidity: 56%
  • UV index: 9
  • Precip. probability: 8%
  • Precipitation: 0"
  • 5:09 am 8:24 pm EDT
SatJun 21.
  • 79°F
  • 66°F
Mostly Sunny
Mostly Sunny
  • Wind: 10mph SW
  • Humidity: 58%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:09 am 8:24 pm EDT
SunJun 22.
  • 81°F
  • 66°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph SSW
  • Humidity: 70%
  • UV index: 8
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:09 am 8:24 pm EDT
MonJun 23.
  • 82°F
  • 72°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph S
  • Humidity: 69%
  • UV index: 9
  • Precip. probability: 6%
  • Precipitation: 0"
  • 5:09 am 8:24 pm EDT
TueJun 24.
  • 88°F
  • 70°F
Mostly Sunny
Mostly Sunny
  • Wind: 11mph SW
  • Humidity: 62%
  • UV index: 9
  • Precip. probability: 10%
  • Precipitation: 0"
  • 5:10 am 8:24 pm EDT
WedJun 25.
  • 84°F
  • 66°F
Mostly Sunny
Mostly Sunny
  • Wind: 9mph W
  • Humidity: 59%
  • UV index: 9
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:10 am 8:24 pm EDT
Over the course of the next ten days, expect shifting weather, and a mix of cloud-filled, sun-filled, showery and hazy weather is expected.
With a probability of 20%, rainfall is anticipated only on Thursday. Forecasted precipitation will be minimal at 0.08".
Temperature fluctuation will be noticeable over the next several days. Forecast highs will fluctuate between 69.8°F and 87.8°F, while the nightly low temperatures will show also a considerable swing, as the minimum temperature is expected to range between 59°F and 71.6°F.
Expect the hottest day on next Tuesday, with temperatures peaking at 87.8°F; Monday and Tuesday, with the highest temperature of 69.8°F, will be the coldest days in Portsmouth.
Combining with the humidity, the maximum feel-like temperature may increase and vary between 69.8°F and a steamy 95°F.
Updated: Jun 16, 2025 @ 07:00:49 UTC
Published by: Weather U.S. | About Us
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