National Weather Service Forecast for: Portland ME
Issued by: National Weather Service Gray/Portland, ME
Updated: 10:38 am EDT Jun 9, 2025
 
This
Afternoon
This Afternoon: A 20 percent chance of showers. Partly sunny, with a high near 60. East wind around 10 mph, with gusts as high as 20 mph.
Slight Chance
Showers

 Tonight

Tonight: Patchy drizzle and fog with a chance of showers. Mostly cloudy, with a low around 52. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers and
Patchy Fog
 Tuesday

Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 57. Northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Showers
Likely
 Tuesday
Night
Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 55. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 60%.
Showers
Likely then
Scattered
Showers
 Wednesday

Wednesday: Sunny, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 63.
Mostly Clear

 Thursday

Thursday: Mostly sunny, with a high near 74.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 57.
Partly Cloudy

 Friday

Friday: Mostly sunny, with a high near 66.
Mostly Sunny
Hi 60 °F Lo 52 °F Hi 57 °F Lo 55 °F Hi 76 °F Lo 63 °F Hi 74 °F Lo 57 °F Hi 66 °F

Air Quality Alert
 

This Afternoon
 
 A 20 percent chance of showers. Partly sunny, with a high near 60. East wind around 10 mph, with gusts as high as 20 mph.
Tonight
 
 Patchy drizzle and fog with a chance of showers. Mostly cloudy, with a low around 52. East wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
 
 A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Cloudy, with a high near 57. Northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
 
 Showers likely, mainly before 1am. Mostly cloudy, with a low around 55. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 60%.
Wednesday
 
 Sunny, with a high near 76. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
 
 Mostly clear, with a low around 63.
Thursday
 
 Mostly sunny, with a high near 74.
Thursday Night
 
 Partly cloudy, with a low around 57.
Friday
 
 Mostly sunny, with a high near 66.
Friday Night
 
 Mostly cloudy, with a low around 54.
Saturday
 
 Partly sunny, with a high near 63.
Saturday Night
 
 Scattered showers. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
Sunday
 
 Mostly sunny, with a high near 63.

 

Forecast from NOAA-NWS for Portland ME.