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.

59°F

15°C

Humidity 93%
Wind Speed NE 8 mph
Barometer 29.89 in (1012.3 mb)
Dewpoint 57°F (14°C)
Visibility NA
Last update 23 Jun 10:56 am EDT
Extended Forecast for

Johnson Corner ME

  • Today

    Today: Mostly cloudy, with a high near 72. North wind around 5 mph.

    High: 72 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog between midnight and 2am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 56. Calm wind becoming north around 5 mph after midnight.

    Low: 56 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Northwest wind around 5 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 76. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.

    High: 76 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. High near 72. Chance of precipitation is 90%.

    High: 72 °F

    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 72. North wind around 5 mph.
Tonight
Patchy fog between midnight and 2am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 56. Calm wind becoming north around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 74. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 55. Northwest wind around 5 mph.
Thursday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny, with a high near 76. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Friday
Showers, with thunderstorms also possible after 2pm. High near 72. Chance of precipitation is 90%.
Friday Night
Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 77.
Saturday Night
A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around 58.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Sunday Night
A chance of thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Johnson Corner ME
 45.05°N 69.84°W (Elev. 738 ft)
Last Update:
5:28 am EDT Jun 23, 2026
Forecast Valid:
11am EDT Jun 23, 2026-6pm EDT Jun 29, 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