Weather forecast for 10 days
Portsmouth, RI

Weather forecast for the weekend

Saturday, May 17.

PM Showers
5:21 am

8:01 pm
EDT
PM Showers
66°F / 59°F
  • Wind: 9mph SSE
  • Humidity: 81%
  • Precip. probability: 44%
  • Precipitation: 0.28"
  • UV index: 5
On Saturday, in Portsmouth, a mix of clouds and showers is expected later in the afternoon.
The likelihood of rainfall is low, and light precipitation is predicted. Temperature is forecasted to reach a high of a breezy 66.2°F during the day, slightly dropping to a low of a moderate 59°F at night.
On Saturday, expect the temperature to remain near May's average maximum of 62.6°F.
Sunrise will be at 5:21 am and sunset at 8:01 pm; the daylight will last for 14h and 40min.

Sunday, May 18.

Partly Cloudy
5:20 am

8:02 pm
EDT
Partly Cloudy
72°F / 57°F
  • Wind: 12mph WSW
  • Humidity: 70%
  • Precip. probability: 24%
  • Precipitation: 0"
  • UV index: 7
On Sunday, in Portsmouth, expect a mix of sun and clouds throughout the day.
Rainfall is not predicted. The temperature will vary between a maximum of a delightful 71.6°F and a minimum of a moderate 57.2°F.
On Sunday, the maximum temperature is expected to align with June's average high of 70.5°F instead of May's.
Sunrise will be at 5:20 am and sunset at 8:02 pm; the daylight will last for 14h and 41min.

Frequently asked questions

What is the weather forecast for Portsmouth for Saturday?
On Saturday, in Portsmouth, occasional afternoon showers are expected, though they may be brief.
Will it rain on Saturday?
Light precipitation of 0.28" is forecasted on Saturday. The possibility of rainfall is 44%.
What will be the highest temperature on Saturday?
On Saturday, the highest temperature will be 66.2°F, while the lowest temperature will be 59°F.
What is the weather forecast for Portsmouth for Sunday?
On Sunday, clouds and sunshine will alternate throughout the day.
Will it rain on Sunday?
No, it will not rain on Sunday in Portsmouth.
What will be the highest temperature on Sunday?
On Sunday, the highest temperature in Portsmouth will be 71.6°F, while the lowest temperature will be 57.2°F.
What is the weather forecast for Portsmouth for the next ten days?
In Portsmouth, a combination of cloudy, rain-filled and clear weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rainfall is anticipated on Wednesday through Saturday, next Wednesday and Thursday in Portsmouth. With light precipitation of 0.28", Wednesday and Saturday will be the wettest days.
How warm will it be in the next ten days?
The maximum temperature will vary between 62.6°F and 71.6°F, while the minimum temperature will be between 51.8°F and 59°F.
What will be the warmest and the coldest days?
The warmest day will be Sunday, with a maximum of 71.6°F. Next Thursday will be the coldest day, with a maximum temperature of 62.6°F.

Long-term weather forecast

TueMay 13.
  • 70°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Wind: 12mph ESE
  • Humidity: 39%
  • UV index: 8
  • Precip. probability: 1%
  • Precipitation: 0"
  • 5:25 am 7:57 pm EDT
WedMay 14.
  • 68°F
  • 57°F
Cloudy
Cloudy
  • Wind: 10mph ESE
  • Humidity: 74%
  • UV index: 4
  • Precip. probability: 22%
  • Precipitation: 0.28"
  • 5:24 am 7:58 pm EDT
ThuMay 15.
  • 66°F
  • 59°F
AM Showers
AM Showers
  • Wind: 7mph SE
  • Humidity: 84%
  • UV index: 3
  • Precip. probability: 39%
  • Precipitation: 0.04"
  • 5:23 am 7:59 pm EDT
FriMay 16.
  • 70°F
  • 57°F
Cloudy
Cloudy
  • Wind: 9mph S
  • Humidity: 79%
  • UV index: 6
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • 5:22 am 8:00 pm EDT
SatMay 17.
  • 66°F
  • 59°F
PM Showers
PM Showers
  • Wind: 9mph SSE
  • Humidity: 81%
  • UV index: 5
  • Precip. probability: 44%
  • Precipitation: 0.28"
  • 5:21 am 8:01 pm EDT
SunMay 18.
  • 72°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph WSW
  • Humidity: 70%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:20 am 8:02 pm EDT
MonMay 19.
  • 68°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph WNW
  • Humidity: 60%
  • UV index: 8
  • Precip. probability: 20%
  • Precipitation: 0"
  • 5:19 am 8:03 pm EDT
TueMay 20.
  • 64°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Wind: 11mph N
  • Humidity: 51%
  • UV index: 7
  • Precip. probability: 10%
  • Precipitation: 0"
  • 5:18 am 8:04 pm EDT
WedMay 21.
  • 64°F
  • 54°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph ESE
  • Humidity: 59%
  • UV index: 5
  • Precip. probability: 24%
  • Precipitation: 0.04"
  • 5:18 am 8:05 pm EDT
ThuMay 22.
  • 63°F
  • 54°F
Showers
Showers
  • Wind: 12mph ESE
  • Humidity: 67%
  • UV index: 5
  • Precip. probability: 43%
  • Precipitation: 0.24"
  • 5:17 am 8:06 pm EDT
Models point to a combination of cloud-filled, showery and mostly clear weather is expected.
Rainfall is forecasted for Wednesday through Saturday, next Wednesday and Thursday. With light precipitation of 0.28", Wednesday and Saturday will be the wettest days.
In the coming days, the highest temperature will vary between 62.6°F and 71.6°F, while the low temperature range extends from 51.8°F to 59°F.
Sunday is expected to be the warmest, reaching up to 71.6°F; expect the coldest day on next Thursday with a high of 62.6°F.
Updated: May 13, 2025 @ 16:12:23 UTC
Published by: Weather Atlas | About Us
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