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.

54°F

12°C

Humidity 67%
Wind Speed Vrbl 7 mph
Barometer 29.72 in (1006.4 mb)
Dewpoint 43°F (6°C)
Visibility NA
Wind Chill52°F (11°C)
Last update 10 Sep 10:56 pm EDT
Extended Forecast for

Three Streams ME

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. Northwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 65. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, clear, with a low around 38. West wind around 5 mph becoming calm after midnight.

    Low: 38 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.

    High: 76 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53. South wind around 5 mph becoming calm.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Northwest wind around 10 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 65. Northwest wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Patchy fog after 2am. Otherwise, clear, with a low around 38. West wind around 5 mph becoming calm after midnight.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 53. South wind around 5 mph becoming calm.
Sunday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 71.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Three Streams ME
 45.51°N 70.25°W (Elev. 1194 ft)
Last Update:
10:19 pm EDT Sep 10, 2026
Forecast Valid:
12am EDT Sep 11, 2026-6pm EDT Sep 17, 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