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 39%
Wind Speed NA
Barometer 30.17 in (1021.2 mb)
Dewpoint 49°F (9°C)
Visibility NA
Heat Index78°F (26°C)
Last update 12 Jul 2:56 pm EDT
Extended Forecast for

Three Streams ME

  • Tonight

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

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers, mainly after 2pm. Increasing clouds, with a high near 80. Light southwest wind becoming west 5 to 10 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 7pm. Increasing clouds, with a low around 64. West wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 87. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 87 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before midnight, then showers likely. Low around 62. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before 7am. Sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers after 3pm. Mostly sunny, with a high near 74.

    High: 74 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. Calm wind.
Monday
A 30 percent chance of showers, mainly after 2pm. Increasing clouds, with a high near 80. Light southwest wind becoming west 5 to 10 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 30 percent chance of showers, mainly before 7pm. Increasing clouds, with a low around 64. West wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Partly sunny, with a high near 87. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and thunderstorms before midnight, then showers likely. Low around 62. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday
A 30 percent chance of showers before 7am. Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
A 30 percent chance of showers after 3pm. Mostly sunny, with a high near 74.
Thursday Night
A 30 percent chance of showers before 11pm. Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Three Streams ME
 45.51°N 70.25°W (Elev. 1194 ft)
Last Update:
2:40 pm EDT Jul 12, 2026
Forecast Valid:
3pm EDT Jul 12, 2026-6pm EDT Jul 19, 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