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

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Current conditions at

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

73°F

23°C

Humidity 59%
Wind Speed Vrbl 7 G 17 mph
Barometer 29.78 in (1008.0 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 28 Jul 10:56 am EDT
Extended Forecast for

4 Miles NW Barnard ME

  • Today

    Today: Mostly sunny, with a high near 79. South wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated showers between 2am and 3am. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 58. South wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Mostly Cloudy
    then Isolated
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 72. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 3am. Mostly cloudy, with a low around 59. East wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 59 °F

    Rain Likely

  • Thursday

    Thursday: Rain, with thunderstorms also possible after 1pm. High near 67. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely before 8pm, then a chance of showers after 8pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 59. Northeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Rain Likely
    and Patchy
    Fog

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 72. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. South wind 7 to 10 mph, with gusts as high as 20 mph.
Tonight
Isolated showers between 2am and 3am. Patchy fog after 4am. Otherwise, increasing clouds, with a low around 58. South wind 6 to 9 mph. Chance of precipitation is 20%.
Wednesday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 72. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Rain likely, mainly after 3am. Mostly cloudy, with a low around 59. East wind around 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain, with thunderstorms also possible after 1pm. High near 67. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain likely before 8pm, then a chance of showers after 8pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 59. Northeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 72. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Barnard ME
 45.4°N 69.25°W (Elev. 1588 ft)
Last Update:
4:02 am EDT Jul 28, 2026
Forecast Valid:
11am EDT Jul 28, 2026-6pm EDT Aug 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation