National Weather Service Forecast for: Winslow ME
Issued by: National Weather Service Gray/Portland, ME
Updated: 2:26 am EDT Jun 30, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 60. Calm wind.
Partly Cloudy

Tuesday

Tuesday: Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Mostly Sunny

Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am.  Increasing clouds, with a low around 63. South wind 5 to 10 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
Wednesday

Wednesday: Mostly sunny and hot, with a high near 93. Heat index values as high as 105. Southwest wind around 5 mph.
Hot

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Thursday

Thursday: Mostly sunny and hot, with a high near 99.
Hot

Thursday
Night
Thursday Night: Partly cloudy, with a low around 73.
Partly Cloudy

Friday

Friday: Sunny and hot, with a high near 97.
Hot

Friday
Night
Friday Night: Mostly clear, with a low around 69.
Mostly Clear

Lo 60 °F Hi 89 °F Lo 63 °F Hi 93 °F Lo 72 °F Hi 99 °F Lo 73 °F Hi 97 °F Lo 69 °F

Extreme Heat Watch
 

Overnight
 
Partly cloudy, with a low around 60. Calm wind.
Tuesday
 
Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
 
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 63. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
Mostly sunny and hot, with a high near 93. Heat index values as high as 105. Southwest wind around 5 mph.
Wednesday Night
 
Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Thursday
 
Mostly sunny and hot, with a high near 99.
Thursday Night
 
Partly cloudy, with a low around 73.
Friday
 
Sunny and hot, with a high near 97.
Friday Night
 
Mostly clear, with a low around 69.
Independence Day
 
A 30 percent chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 91.
Saturday Night
 
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Sunday
 
Mostly sunny, with a high near 88.
Sunday Night
 
Partly cloudy, with a low around 62.
Monday
 
Mostly sunny, with a high near 85.

 

Forecast from NOAA-NWS for Winslow ME.