National Weather Service Forecast for: Portland ME
Issued by: National Weather Service Gray/Portland, ME
Updated: 5:30 am EDT Jun 22, 2026
 
Today

Today: Scattered showers, mainly after 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 68. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Patchy Fog
then
Scattered
Showers
 Tonight

Tonight: Showers likely before 8pm, then rain between 8pm and 11pm, then rain and possibly a thunderstorm after 11pm. Low around 55. South wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Showers

 Tuesday

Tuesday: Showers likely before 11am, then rain between 11am and noon, then scattered showers after noon. High near 71. South wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Rain then
Scattered
Showers
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 58. Northwest wind around 5 mph.
Partly Cloudy

 Wednesday

Wednesday: Sunny, with a high near 77. West wind 5 to 10 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 59.
Mostly Clear

 Thursday

Thursday: Mostly sunny, with a high near 79.
Mostly Sunny

 Thursday
Night
Thursday Night: A 50 percent chance of showers after 11pm. Mostly cloudy, with a low around 58.
Chance
Showers

 Friday

Friday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Showers
Likely
Hi 68 °F Lo 55 °F Hi 71 °F Lo 58 °F Hi 77 °F Lo 59 °F Hi 79 °F Lo 58 °F Hi 71 °F

 

Today
 
 Scattered showers, mainly after 5pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 68. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
 
 Showers likely before 8pm, then rain between 8pm and 11pm, then rain and possibly a thunderstorm after 11pm. Low around 55. South wind 5 to 10 mph becoming east in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tuesday
 
 Showers likely before 11am, then rain between 11am and noon, then scattered showers after noon. High near 71. South wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
 
 Partly cloudy, with a low around 58. Northwest wind around 5 mph.
Wednesday
 
 Sunny, with a high near 77. West wind 5 to 10 mph.
Wednesday Night
 
 Mostly clear, with a low around 59.
Thursday
 
 Mostly sunny, with a high near 79.
Thursday Night
 
 A 50 percent chance of showers after 11pm. Mostly cloudy, with a low around 58.
Friday
 
 Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Friday Night
 
 A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Saturday
 
 Mostly sunny, with a high near 75.
Saturday Night
 
 Partly cloudy, with a low around 61.
Sunday
 
 Mostly sunny, with a high near 76.

 

Forecast from NOAA-NWS for Portland ME.