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.

52°F

11°C

Humidity 89%
Wind Speed N 12 mph
Barometer 29.94 in (1014.1 mb)
Dewpoint 49°F (9°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 6 Sep 1:56 am EDT
Extended Forecast for

Williamsburg ME

  • Overnight

    Overnight: Partly cloudy, with a low around 46. North wind around 8 mph.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70. North wind 9 to 13 mph.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. Northwest wind 5 to 8 mph.

    Low: 48 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Sunny, with a high near 78. Northwest wind 7 to 9 mph.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. Northwest wind around 6 mph.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 73. Northwest wind around 8 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Light north wind.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly after 3pm. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 2am, then a chance of showers after 2am. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 46. North wind around 8 mph.
Sunday
Mostly sunny, with a high near 70. North wind 9 to 13 mph.
Sunday Night
Partly cloudy, with a low around 48. Northwest wind 5 to 8 mph.
Labor Day
Sunny, with a high near 78. Northwest wind 7 to 9 mph.
Monday Night
Partly cloudy, with a low around 53. Northwest wind around 6 mph.
Tuesday
Sunny, with a high near 73. Northwest wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 45. Light north wind.
Wednesday
A chance of showers, mainly after 3pm. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.
Wednesday Night
Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 2am, then a chance of showers after 2am. Low around 55. Chance of precipitation is 80%.
Thursday
A chance of showers, mainly before 7am. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Sunny, with a high near 71.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg ME
 45.38°N 69.11°W (Elev. 446 ft)
Last Update:
9:43 pm EDT Sep 5, 2026
Forecast Valid:
2am EDT Sep 6, 2026-6pm EDT Sep 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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