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.

63°F

17°C

Humidity 68%
Wind Speed SE 5 mph
Barometer 30.06 in (1017.6 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 26 Aug 11:56 pm EDT
Extended Forecast for

Guilford ME

  • Overnight

    Overnight: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 61. South wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms and
    Patchy Fog

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. Patchy fog before 8am. High near 77. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    Showers and
    Patchy Fog
    then Showers

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 49. Northwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. Northwest wind 3 to 7 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. Light southwest wind.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after 9pm. Mostly cloudy, with a low around 55. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 55. Calm wind.
Thursday
Mostly sunny, with a high near 82. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
A chance of showers and thunderstorms. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 61. South wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. Patchy fog before 8am. High near 77. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 49. Northwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 75. Northwest wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 50. Light southwest wind.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
A slight chance of showers after 9pm. Mostly cloudy, with a low around 55. Chance of precipitation is 20%.
Monday
A slight chance of showers before 11am. Mostly sunny, with a high near 75. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 73. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Guilford ME
 45.16°N 69.38°W (Elev. 499 ft)
Last Update:
6:34 pm EDT Aug 26, 2026
Forecast Valid:
12am EDT Aug 27, 2026-6pm EDT Sep 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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