News Headlines
- Updates to the National Water Prediction Service (NWPS) Website June 15, 2026
- Spring 2026 Frost/Freeze Program Begins for Downeast Maine on May 11th
- How Much Snow Fell This Season, and How Did it Compare to Average?
- Significant Drought Improvement in Eastern/Northern Maine, see the Latest Drought Information Statement
Current conditions at
Greenville (KGNR)
Lat: 45.46°NLon: 69.55°WElev: 1394ft.79°F
26°C
| Humidity | 45% |
| Wind Speed | Vrbl 5 mph |
| Barometer | 29.88 in (1011.7 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | NA |
| Heat Index | 80°F (27°C) |
| Last update | 19 May 11:56 am EDT |
Extended Forecast for
3 Miles W Katahdin Iron Works State Park ME
This Afternoon

High: 81 °F
Chance
ShowersTonight
Low: 66 °F
Scattered
Showers then
Partly CloudyWednesday

High: 80 °F
Mostly Sunny
Wednesday Night

Low: 40 °F
Partly Cloudy
Thursday

High: 55 °F
Sunny
Thursday Night

Low: 37 °F
Mostly Clear
Friday

High: 61 °F
Sunny
Friday Night

Low: 37 °F
Partly Cloudy
Saturday

High: 61 °F
Mostly Sunny
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms. Partly sunny, with a high near 81. West wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 66. Southwest wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 80. West wind 9 to 17 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 40. Northwest wind 15 to 17 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 55. Northwest wind around 15 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 37. Northwest wind 3 to 8 mph.
Friday
Sunny, with a high near 61. Northwest wind 8 to 15 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 20%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 59. Chance of precipitation is 20%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Memorial Day
A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 30%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
3 Miles W Katahdin Iron Works State Park ME
45.44°N 69.21°W (Elev. 899 ft)
45.44°N 69.21°W (Elev. 899 ft)
8:58 am EDT May 19, 2026
12pm EDT May 19, 2026-6pm EDT May 25, 2026


