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

68°F

20°C

Humidity 53%
Wind Speed Calm
Barometer 30.11 in (1020.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 21 Aug 6:53 pm EDT
Extended Forecast for

Grindstone ME

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly clear, with a low around 48. Calm wind.

    Low: 48 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog. Otherwise, increasing clouds, with a high near 80. Calm wind becoming east around 5 mph in the afternoon.

    High: 80 °F

    Patchy Fog

  • Saturday Night

    Saturday Night: Rain, mainly after 10pm. Patchy fog after 2am. Low around 59. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 59 °F

    Rain and
    Patchy Fog

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 2pm. Areas of fog before 11am. High near 73. East wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Rain and
    Areas Fog

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Patchy fog after 10pm. Low around 64. Light south wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers and
    Patchy Fog

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 76. South wind 3 to 8 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 5am. Mostly cloudy, with a low around 56. Light southwest wind. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly clear, with a low around 48. Calm wind.
Saturday
Patchy fog. Otherwise, increasing clouds, with a high near 80. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Rain, mainly after 10pm. Patchy fog after 2am. Low around 59. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain, with thunderstorms also possible after 2pm. Areas of fog before 11am. High near 73. East wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Patchy fog after 10pm. Low around 64. Light south wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 76. South wind 3 to 8 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 5am. Mostly cloudy, with a low around 56. Light southwest wind. Chance of precipitation is 30%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Grindstone ME
 45.72°N 68.58°W (Elev. 351 ft)
Last Update:
7:41 pm EDT Aug 21, 2026
Forecast Valid:
7pm EDT Aug 21, 2026-6pm EDT Aug 28, 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