Weather forecast for tomorrowSouth Portland, ME
Weather forecast for tomorrow
Monday Oct 19, 2026
- 57°F
- 41°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 8mphS 186°
- Humidity: 67%
- UV index: 3
- Sunrise: 7:00 am EDT
- Sunset: 5:51 pm EDT
- details ▼
Tomorrow, conditions remain stable and sunny, with little cloud presence.
The temperature will vary between a maximum of a refreshing 57.2°F and a minimum of an icy 41°F.
October's typical peak of 56.3°F is expected to be mirrored in the day’s high.
Sunrise will be at 7:00 am and sunset at 5:51 pm; tomorrow's daylight will last for 10h and 51min.
The temperature will vary between a maximum of a refreshing 57.2°F and a minimum of an icy 41°F.
October's typical peak of 56.3°F is expected to be mirrored in the day’s high.
Sunrise will be at 7:00 am and sunset at 5:51 pm; tomorrow's daylight will last for 10h and 51min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 55°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°C.
Chance of precipitation
Highest chance: 9 pm 7%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphSSW 201°
- Humidity: 79%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:39°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphSW 215°
- Humidity: 84%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:37°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 3mphSW 227°
- Humidity: 87%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphWSW 244°
- Humidity: 87%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:00 am
- 8 am
- 41°F
- Feels like:41°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphWSW 237°
- Humidity: 81%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:50°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 3mphSW 218°
- Humidity: 66%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 12 pm
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSSE 166°
- Humidity: 57%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphSSE 160°
- Humidity: 59%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSSE 161°
- Humidity: 60%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
Sunset: 5:51 pm
- 6 pm
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphSSE 154°
- Humidity: 70%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 1mphSSE 163°
- Humidity: 83%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 45°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 0mphNW 307°
- Humidity: 92%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily sun-filled and occasionally dull weather is anticipated.
The temperature will vary between the lowest temperature of 37.4°F and the highest temperature of 55.4°F. The warmest part of the day will be from noon to 4 pm.
The maximum temperature will be close to October's average highest temperature of 56.3°F. The minimum temperature will be more similar to November's average low of 37.2°F than October's typical 47.5°F.
The temperature will vary between the lowest temperature of 37.4°F and the highest temperature of 55.4°F. The warmest part of the day will be from noon to 4 pm.
The maximum temperature will be close to October's average highest temperature of 56.3°F. The minimum temperature will be more similar to November's average low of 37.2°F than October's typical 47.5°F.
Updated: Oct 18, 2026 @ 19:49:53 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 Monday, in South Portland, sunshine will likely continue with scattered clouds at most.
Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 41°F.
The highest temperature will be in line with the average maximum of 56.3°F in October. The lowest temperature will be moderately lower than the average low of 47.5°F.
The highest temperature will be in line with the average maximum of 56.3°F in October. The lowest temperature will be moderately lower than the average low of 47.5°F.
On Monday, in South Portland, sunrise will be at 7:00 am and sunset at 5:51 pm (EDT).
In South Portland, tomorrow, there will be 10h and 51min of daylight.
