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.43°F
6°C
| Humidity | 80% |
| Wind Speed | NE 5 mph |
| Barometer | 30.16 in (1021.9 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | NA |
| Wind Chill | 40°F (4°C) |
| Last update | 18 May 4:56 am EDT |
Extended Forecast for
3 Miles W Katahdin Iron Works State Park ME
Today
High: 63 °F
Mostly Cloudy
Tonight
Low: 48 °F
Partly Cloudy
Tuesday
High: 79 °F
Chance
Showers then
Showers
LikelyTuesday Night
Low: 63 °F
Chance
Showers then
Partly CloudyWednesday
High: 80 °F
Slight Chance
Showers then
Slight Chance
T-stormsWednesday Night
Low: 41 °F
Mostly Clear
Thursday
High: 55 °F
Sunny
Thursday Night
Low: 37 °F
Clear
Friday
High: 61 °F
Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 63. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Partly cloudy, with a low around 48. South wind around 6 mph becoming light and variable after midnight.
Tuesday
A slight chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. Calm wind becoming west 5 to 8 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers before 8pm. Mostly cloudy during the early evening, then becoming mostly clear, with a low around 63. West wind 3 to 7 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 2pm, then a slight chance of showers after 2pm. Mostly sunny, with a high near 80. West wind 10 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 41. Northwest wind 16 to 18 mph, with gusts as high as 32 mph.
Thursday
Sunny, with a high near 55. Northwest wind 16 to 18 mph, with gusts as high as 32 mph.
Thursday Night
Clear, with a low around 37.
Friday
Sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Partly sunny, with a high near 61.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 20%.
Sunday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 30%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT 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)
4:03 am EDT May 18, 2026
5am EDT May 18, 2026-6pm EDT May 24, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
