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.

76°F

24°C

Humidity 37%
Wind Speed NA
Barometer 30.20 in (1022.2 mb)
Dewpoint 48°F (9°C)
Visibility NA
Heat Index78°F (26°C)
Last update 6 Jul 12:56 pm EDT
Extended Forecast for

Williamsburg ME

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. Calm wind.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 56. South wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Sunny, with a high near 86. Light southwest wind.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. Light west wind.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers after 3pm. Mostly sunny and hot, with a high near 89. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. Calm wind.
Tonight
Partly cloudy, with a low around 57. Calm wind.
Tuesday
Mostly sunny, with a high near 79. Light and variable wind.
Tuesday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 56. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86. Light southwest wind.
Wednesday Night
Partly cloudy, with a low around 62. Light west wind.
Thursday
A slight chance of showers after 3pm. Mostly sunny and hot, with a high near 89. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
A slight chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Williamsburg ME
 45.38°N 69.11°W (Elev. 446 ft)
Last Update:
10:18 am EDT Jul 6, 2026
Forecast Valid:
1pm EDT Jul 6, 2026-6pm EDT Jul 12, 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