Weather forecast for 10 daysPortsmouth, RI
Weather forecast for the weekend
Sunday Oct 18, 2026
- 55°F
- 37°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNE 22°
- Humidity: 44%
- UV index: 4
- Sunrise: 7:00 am EDT
- Sunset: 5:59 pm EDT
- details ▼
Today, on Sunday, October 18, sunny and dry conditions are anticipated.
Temperatures will oscillate between a moderate 55.4°F at their highest and a wintry 37.4°F at their lowest.
Today, the forecasted high temperature is lower and fits better with November's average than with October's usual.
Sunrise was at 7:00 am and sunset will be at 5:59 pm; the daylight will last for 10h and 59min.
Temperatures will oscillate between a moderate 55.4°F at their highest and a wintry 37.4°F at their lowest.
Today, the forecasted high temperature is lower and fits better with November's average than with October's usual.
Sunrise was at 7:00 am and sunset will be at 5:59 pm; the daylight will last for 10h and 59min.
10-day overview
Daily temperatures
Warmest day: Monday 26.10. 64°C.
Coldest day: Friday 54°C.
Coldest day: Friday 54°C.
Chance of precipitation
Highest chance: Thursday 39%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 55°F
- 37°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNNE 22°
- Humidity: 44%
- UV index: 4
- Sunrise: 7:00 am EDT
- Sunset: 5:59 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 61°F
- 46°F
Mostly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 14mphNE 40°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:01 am EDT
- Sunset: 5:57 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 61°F
- 48°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 18mphNNE 23°
- Humidity: 65%
- UV index: 3
- Sunrise: 7:03 am EDT
- Sunset: 5:56 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 55°F
- 45°F
Mostly Cloudy
- Precip. probability: 19%
- Precipitation: 0.12"
- Wind: 19mphNNE 33°
- Humidity: 70%
- UV index: 3
- Sunrise: 7:04 am EDT
- Sunset: 5:55 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 59°F
- 43°F
AM Showers
- Precip. probability: 39%
- Precipitation: 0.04"
- Wind: 14mphNNE 16°
- Humidity: 68%
- UV index: 4
- Sunrise: 7:05 am EDT
- Sunset: 5:53 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 54°F
- 41°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 16mphNNE 13°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:06 am EDT
- Sunset: 5:52 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 57°F
- 39°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 11mphNNE 22°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:07 am EDT
- Sunset: 5:50 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 61°F
- 43°F
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 7mphW 280°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:08 am EDT
- Sunset: 5:49 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 64°F
- 46°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphWNW 291°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:10 am EDT
- Sunset: 5:47 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 59°F
- 41°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 11mphN 358°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:11 am EDT
- Sunset: 5:46 pm EDT
- details ▼
clear, dull and showery weather is expected.
Rainfall is anticipated on Wednesday and Thursday.
In the upcoming period, the highest temperature will range between 53.6°F and 64.4°F, while nighttime temperatures are expected to vary from 37.4°F to 48.2°F.
With the highest temperature of 64.4°F, next Monday will be the warmest day; the lowest daytime temperature of the period will be reached on Friday, peaking at 53.6°F.
Rainfall is anticipated on Wednesday and Thursday.
In the upcoming period, the highest temperature will range between 53.6°F and 64.4°F, while nighttime temperatures are expected to vary from 37.4°F to 48.2°F.
With the highest temperature of 64.4°F, next Monday will be the warmest day; the lowest daytime temperature of the period will be reached on Friday, peaking at 53.6°F.
Updated: Oct 18, 2026 @ 14:40:05 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, sunny and dry conditions are anticipated.
Today, the highest temperature will be 55.4°F, while the lowest temperature will be 37.4°F.
The maximum temperature will be a couple of degrees lower than the average highest temperature of 61.7°F in October. The lowest temperature today will be notably lower than the average low of 51.3°F.
The maximum temperature will be a couple of degrees lower than the average highest temperature of 61.7°F in October. The lowest temperature today will be notably lower than the average low of 51.3°F.
On Sunday, in Portsmouth, sunrise was at 7:00 am and sunset will be at 5:59 pm (EDT).
Today, the daylight will last for 10h and 59min.





