Weather forecast for 10 daysSouth Portland, ME
Weather forecast for the weekend
Sunday Oct 18, 2026
- 52°F
- 36°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSSW 193°
- Humidity: 46%
- UV index: 3
- Sunrise: 6:59 am EDT
- Sunset: 5:53 pm EDT
- details ▼
On Sunday, October 18, the forecast calls for abundant sunshine.
A temperature range of a cool 51.8°F to an icy 35.6°F is forecasted.
Today's top temperature will be relatively lower than October's standard maximum of 56.3°F.
Sunrise was at 6:59 am and sunset will be at 5:53 pm; the daylight will last for 10h and 54min.
A temperature range of a cool 51.8°F to an icy 35.6°F is forecasted.
Today's top temperature will be relatively lower than October's standard maximum of 56.3°F.
Sunrise was at 6:59 am and sunset will be at 5:53 pm; the daylight will last for 10h and 54min.
10-day overview
Daily temperatures
Warmest day: Tuesday 63°C.
Coldest day: today 52°C.
Coldest day: today 52°C.
Chance of precipitation
Highest chance: Monday 26.10. 12%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 52°F
- 36°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphSSW 193°
- Humidity: 46%
- UV index: 3
- Sunrise: 6:59 am EDT
- Sunset: 5:53 pm EDT
- details ▼
- Monday
- Oct 19, 2026
- 57°F
- 41°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphS 185°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:00 am EDT
- Sunset: 5:51 pm EDT
- details ▼
- Tuesday
- Oct 20, 2026
- 63°F
- 39°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 12mphNNE 13°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:01 am EDT
- Sunset: 5:49 pm EDT
- details ▼
- Wednesday
- Oct 21, 2026
- 55°F
- 39°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphNNE 33°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:02 am EDT
- Sunset: 5:48 pm EDT
- details ▼
- Thursday
- Oct 22, 2026
- 61°F
- 39°F
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 9mphN 359°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:04 am EDT
- Sunset: 5:46 pm EDT
- details ▼
- Friday
- Oct 23, 2026
- 55°F
- 36°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 15mphN 0°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:05 am EDT
- Sunset: 5:45 pm EDT
- details ▼
- Saturday
- Oct 24, 2026
- 54°F
- 36°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 7mphN 359°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:06 am EDT
- Sunset: 5:43 pm EDT
- details ▼
- Sunday
- Oct 25, 2026
- 57°F
- 39°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 8mphW 270°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:07 am EDT
- Sunset: 5:42 pm EDT
- details ▼
- Monday
- Oct 26, 2026
- 61°F
- 39°F
Sunny
- Precip. probability: 12%
- Precipitation: 0"
- Wind: 6mphNW 315°
- Humidity: 60%
- UV index: 3
- Sunrise: 7:09 am EDT
- Sunset: 5:40 pm EDT
- details ▼
- Tuesday
- Oct 27, 2026
- 55°F
- 36°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 10mphNNW 342°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:10 am EDT
- Sunset: 5:39 pm EDT
- details ▼
Over the next ten days, primarily mostly clear and occasionally cloudy weather is expected.
Rainfall is not predicted in South Portland in the upcoming days.
In the upcoming days, the highest temperature will range between 51.8°F and 62.6°F, while the overnight low will be nearly unchanged, as the overnight low will fall between 35.6°F and 41°F.
Tuesday will be the warmest day, with a maximum temperature of 62.6°F; today is the coldest day, with a maximum temperature of 51.8°F.
Rainfall is not predicted in South Portland in the upcoming days.
In the upcoming days, the highest temperature will range between 51.8°F and 62.6°F, while the overnight low will be nearly unchanged, as the overnight low will fall between 35.6°F and 41°F.
Tuesday will be the warmest day, with a maximum temperature of 62.6°F; today is the coldest day, with a maximum temperature of 51.8°F.
Updated: Oct 18, 2026 @ 15:03:38 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
Today, bright and sunny weather is expected.
Today, the highest temperature will be 51.8°F, while the lowest temperature will be 35.6°F.
The maximum temperature will be a couple of degrees lower than the average highest temperature of 56.3°F in October. The lowest temperature will be uncommonly lower than the average low of 47.5°F.
The maximum temperature will be a couple of degrees lower than the average highest temperature of 56.3°F in October. The lowest temperature will be uncommonly lower than the average low of 47.5°F.
On Sunday, in South Portland, sunrise was at 6:59 am and sunset will be at 5:53 pm (EDT).
In South Portland, today, there will be 10h and 54min of daylight.
