National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Millinocket, Millinocket Municipal Airport (KMLT)

Lat: 45.65°NLon: 68.69°WElev: 407ft.

Fair

60°F

16°C

Humidity 75%
Wind Speed NW 8 mph
Barometer 29.66 in (1004.8 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 16 Jun 3:53 am EDT
Extended Forecast for

Grand Lake Stream ME

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 76. Northwest wind around 8 mph.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. South wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 66. Calm wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 53. Southeast wind 3 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 53 °F

    Showers

  • Juneteenth

    Juneteenth: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. West wind 6 to 9 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 76. Northwest wind around 8 mph.
Tonight
Mostly clear, with a low around 54. Calm wind.
Wednesday
Sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 52. South wind around 5 mph becoming calm in the evening.
Thursday
Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 66. Calm wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 53. Southeast wind 3 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Juneteenth
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 76. West wind 6 to 9 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Monday
A chance of showers. Mostly sunny, with a high near 74. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Lake Stream ME
 45.18°N 67.77°W (Elev. 299 ft)
Last Update:
2:30 am EDT Jun 16, 2026
Forecast Valid:
4am EDT Jun 16, 2026-6pm EDT Jun 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation