National Weather Service Forecast for: Lebanon ME
Issued by: National Weather Service Gray/Portland, ME
Updated: 2:25 am EDT Aug 20, 2026
 
Today

Today: Patchy fog between 8am and 9am. Otherwise, increasing clouds, with a high near 83. Calm wind becoming southwest around 5 mph.
Patchy Fog
then Partly
Sunny
 Tonight

Tonight: A slight chance of showers between 11pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 58. Calm wind. Chance of precipitation is 20%.
Slight Chance
Showers then
Partly Cloudy
 Friday

Friday: A slight chance of showers between noon and 1pm. Mostly sunny, with a high near 79. Northeast wind around 5 mph becoming east in the afternoon. Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
Showers
 Friday
Night
Friday Night: Increasing clouds, with a low around 55. Calm wind.
Increasing
Clouds

 Saturday

Saturday: Showers likely, mainly after 3pm. Mostly cloudy, with a high near 72. East wind 5 to 10 mph. Chance of precipitation is 60%.
Showers
Likely

 Saturday
Night
Saturday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Showers
Likely

 Sunday

Sunday: A 40 percent chance of showers. Mostly cloudy, with a high near 79.
Chance
Showers

 Sunday
Night
Sunday Night: A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 59.
Chance
Showers

 Monday

Monday: Mostly sunny, with a high near 80.
Mostly Sunny
Hi 83 °F Lo 58 °F Hi 79 °F Lo 55 °F Hi 72 °F Lo 56 °F Hi 79 °F Lo 59 °F Hi 80 °F

 

Today
 
 Patchy fog between 8am and 9am. Otherwise, increasing clouds, with a high near 83. Calm wind becoming southwest around 5 mph.
Tonight
 
 A slight chance of showers between 11pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 58. Calm wind. Chance of precipitation is 20%.
Friday
 
 A slight chance of showers between noon and 1pm. Mostly sunny, with a high near 79. Northeast wind around 5 mph becoming east in the afternoon. Chance of precipitation is 20%.
Friday Night
 
 Increasing clouds, with a low around 55. Calm wind.
Saturday
 
 Showers likely, mainly after 3pm. Mostly cloudy, with a high near 72. East wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday Night
 
 Showers likely, mainly before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Sunday
 
 A 40 percent chance of showers. Mostly cloudy, with a high near 79.
Sunday Night
 
 A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 59.
Monday
 
 Mostly sunny, with a high near 80.
Monday Night
 
 Mostly clear, with a low around 54.
Tuesday
 
 Sunny, with a high near 79.
Tuesday Night
 
 Mostly clear, with a low around 54.
Wednesday
 
 Sunny, with a high near 81.

 

Forecast from NOAA-NWS for Lebanon ME.