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

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

55°F

13°C

Humidity 80%
Wind Speed Calm
Barometer 30.09 in (1018.9 mb)
Dewpoint 49°F (9°C)
Visibility NA
Last update 15 Aug 1:56 am EDT
Extended Forecast for

Greenville Junction ME

  • Overnight

    Overnight: Clear, with a low around 53. Northwest wind around 9 mph.

    Low: 53 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 68. North wind 7 to 9 mph.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. Northwest wind 5 to 8 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am. Patchy fog after 5am. Otherwise, cloudy, with a low around 58. South wind 7 to 13 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Chance Rain
    then Rain
    Likely and
    Patchy Fog

  • Monday

    Monday: Rain, with thunderstorms also possible after 2pm. Patchy fog before 8am. High near 62. South wind 9 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: Rain likely, mainly before 9pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. South wind around 6 mph becoming northwest after midnight. Chance of precipitation is 60%.

    Low: 57 °F

    Rain Likely
    and Patchy
    Fog then
    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 53. Northwest wind around 9 mph.
Saturday
Sunny, with a high near 68. North wind 7 to 9 mph.
Saturday Night
Mostly clear, with a low around 51. Northwest wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 69. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunday Night
Rain likely, mainly after 2am. Patchy fog after 5am. Otherwise, cloudy, with a low around 58. South wind 7 to 13 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain, with thunderstorms also possible after 2pm. Patchy fog before 8am. High near 62. South wind 9 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Rain likely, mainly before 9pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 57. South wind around 6 mph becoming northwest after midnight. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 73. Chance of precipitation is 20%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 69. Chance of precipitation is 50%.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 54. Chance of precipitation is 20%.
Friday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Greenville Junction ME
 45.49°N 69.7°W (Elev. 2142 ft)
Last Update:
2:43 am EDT Aug 15, 2026
Forecast Valid:
2am EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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