Weather forecast for 10 daysPortsmouth, OH
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 36°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 4mphE 98°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:44 am EDT
- Sunset: 6:49 pm EDT
- details ▼
Today, in Portsmouth, some passing clouds may drift through, but the sun will shine at times.
Temperatures will see a substantial oscillation, reaching a high of a breezy 64.4°F and dropping to a low of a wintry 35.6°F.
The expected temperature peak will correspond with October's average maximum of 65.3°F.
Sunrise was at 7:44 am and sunset will be at 6:49 pm; the daylight will last for 11h and 5min.
Temperatures will see a substantial oscillation, reaching a high of a breezy 64.4°F and dropping to a low of a wintry 35.6°F.
The expected temperature peak will correspond with October's average maximum of 65.3°F.
Sunrise was at 7:44 am and sunset will be at 6:49 pm; the daylight will last for 11h and 5min.
10-day overview
Daily temperatures
Maximum temperature: 72°C.
Coldest day: today 64°C.
Coldest day: today 64°C.
Chance of precipitation
Highest chance: tomorrow 20%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 36°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 4mphE 98°
- Humidity: 53%
- UV index: 5
- Sunrise: 7:44 am EDT
- Sunset: 6:49 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 37°F
Sunny
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 2mphENE 69°
- Humidity: 55%
- UV index: 5
- Sunrise: 7:45 am EDT
- Sunset: 6:48 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 39°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphNNE 20°
- Humidity: 55%
- UV index: 4
- Sunrise: 7:46 am EDT
- Sunset: 6:46 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 72°F
- 41°F
Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 4mphN 9°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:47 am EDT
- Sunset: 6:45 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 43°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 4mphNNE 13°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:48 am EDT
- Sunset: 6:44 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 70°F
- 39°F
Mostly Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 5mphNE 44°
- Humidity: 65%
- UV index: 4
- Sunrise: 7:49 am EDT
- Sunset: 6:42 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 70°F
- 39°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 3mphE 84°
- Humidity: 62%
- UV index: 4
- Sunrise: 7:50 am EDT
- Sunset: 6:41 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 70°F
- 43°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 2mphESE 109°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:51 am EDT
- Sunset: 6:40 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 72°F
- 46°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 2mphNE 42°
- Humidity: 62%
- UV index: 4
- Sunrise: 7:52 am EDT
- Sunset: 6:39 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 72°F
- 46°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphNNE 26°
- Humidity: 64%
- UV index: 4
- Sunrise: 7:53 am EDT
- Sunset: 6:37 pm EDT
- details ▼
Ten-day trends indicate that a combination of sun-filled and gloomy weather is predicted.
Rain is not anticipated in Portsmouth in the upcoming days.
In the upcoming period, the highest temperature will vary between 64.4°F and 71.6°F, while the minimum temperature is forecast to range between 35.6°F and 46.4°F.
Tuesday, Wednesday, next Monday and Tuesday, with the highest temperature of 71.6°F, will be the warmest days; today is the coldest day, with a maximum temperature of 64.4°F.
Rain is not anticipated in Portsmouth in the upcoming days.
In the upcoming period, the highest temperature will vary between 64.4°F and 71.6°F, while the minimum temperature is forecast to range between 35.6°F and 46.4°F.
Tuesday, Wednesday, next Monday and Tuesday, with the highest temperature of 71.6°F, will be the warmest days; today is the coldest day, with a maximum temperature of 64.4°F.
Updated: Oct 18, 2026 @ 12:42:07 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, patchy clouds will move across the sky, allowing for sunshine at times.
Today, the highest temperature will be 64.4°F, while the lowest temperature will be 35.6°F.
The maximum temperature will be in line with the average highest temperature of 65.3°F in October. The lowest temperature will be uncommonly lower than the average low of 46.8°F.
The maximum temperature will be in line with the average highest temperature of 65.3°F in October. The lowest temperature will be uncommonly lower than the average low of 46.8°F.
On Sunday, in Portsmouth, sunrise was at 7:44 am and sunset will be at 6:49 pm (EDT).
In Portsmouth, today, there will be 11h and 5min of daylight.





