National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

62°F

17°C

Humidity 96%
Wind Speed NE 3 mph
Barometer 29.83 in (1009.9 mb)
Dewpoint 61°F (16°C)
Visibility NA
Last update 30 Jul 3:56 am EDT
Extended Forecast for

3 Miles NNE Rockwood ME

  • Overnight

    Overnight: A chance of rain. Patchy fog. Otherwise, cloudy, with a low around 56. Light northeast wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Rain likely, mainly after 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 69. Northeast wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: A chance of rain, mainly before 10pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 54. Light northeast wind. Chance of precipitation is 30%.

    Low: 54 °F

    Chance Rain
    and Patchy
    Fog

  • Friday

    Friday: A slight chance of showers after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 75. North wind around 6 mph. Chance of precipitation is 20%.

    High: 75 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 2pm. Partly sunny, with a high near 78. Light southwest wind. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Showers

Detailed Forecast

Overnight
A chance of rain. Patchy fog. Otherwise, cloudy, with a low around 56. Light northeast wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly after 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 69. Northeast wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain, mainly before 10pm. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 54. Light northeast wind. Chance of precipitation is 30%.
Friday
A slight chance of showers after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 75. North wind around 6 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 56. Calm wind.
Saturday
A slight chance of showers after 2pm. Partly sunny, with a high near 78. Light southwest wind. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 20%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 56. Chance of precipitation is 80%.
Monday
A chance of showers, mainly before 4pm. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Rockwood ME
 45.72°N 69.69°W (Elev. 1299 ft)
Last Update:
4:02 am EDT Jul 30, 2026
Forecast Valid:
4am EDT Jul 30, 2026-6pm EDT Aug 5, 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