Current conditions at

Greenville (KGNR)

Lat: 45.46° N Lon: 69.55° W Elev: 1394 ft.

54°F

12°C

Humidity 83%
Wind Speed Calm
Barometer 30.14 in (1020.6 mb)
Dewpoint 49°F (9°C)
Visibility NA
Last update 22 Aug 1:56 am EDT
Detailed forecast for

Southern Piscataquis

Tonight
Clear. Patchy fog. Lows in the lower 50s. North winds around 5 mph.
Saturday
Mostly sunny in the morning, then mostly cloudy with a slight chance of rain in the afternoon. Patchy fog. Highs in the upper 70s. East winds around 5 mph. Chance of rain 20 percent.
Saturday Night
Rain. Patchy fog in the evening. Areas of fog after midnight. Lows in the upper 50s. Northeast winds around 5 mph. Chance of rain 80 percent.
Sunday
Rain likely. Areas of fog in the morning. Patchy fog in the afternoon. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. East winds around 5 mph. Chance of rain 70 percent.
Sunday Night
Cloudy. Showers likely with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog. Lows in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.
Monday
Mostly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50 percent.
Monday Night
Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the mid 50s. Chance of rain 40 percent.
Tuesday
Partly sunny. Highs in the mid 70s.
Tuesday Night
Partly cloudy in the evening, then clearing. Lows in the mid 50s.
Wednesday
Mostly sunny. Highs in the upper 70s.
Wednesday Night
Mostly clear. Lows in the mid 50s.
Thursday
Partly sunny. Highs around 80.
Thursday Night
Partly cloudy with a 40 percent chance of showers. Lows in the upper 50s.
Friday
Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 50 percent.



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802 PM EDT Fri Aug 21 2026
 
 

Additional Resources

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National Digital Forecast Database