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

Hazardous Weather Conditions

Current conditions at

Wiscasset Airport (KIWI)

Lat: 43.96°NLon: 69.71°WElev: 53ft.

Fair

94°F

34°C

Humidity 46%
Wind Speed NA
Barometer 29.81 in (1009.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 3 Jul 1:53 pm EDT
Extended Forecast for

Arrowsic ME

Heat Advisory July 3, 02:30pm until July 3, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 3, 02:30pm until July 3, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 65. West wind 5 to 10 mph.

    Low: 65 °F

    Mostly Clear

  • Independence Day

    Independence Day: Isolated showers after noon. Sunny, with a high near 86. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 86 °F

    Sunny then
    Isolated
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Northwest wind 5 to 10 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 74. North wind 5 to 10 mph becoming south in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 90. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 65. West wind 5 to 10 mph.
Independence Day
Isolated showers after noon. Sunny, with a high near 86. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 60. Northwest wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 74. North wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 71.
Monday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 59.
Tuesday
A 30 percent chance of showers before 3pm. Partly sunny, with a high near 69.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arrowsic ME
 43.84°N 69.79°W (Elev. 3 ft)
Last Update:
2:23 pm EDT Jul 3, 2026
Forecast Valid:
2pm EDT Jul 3, 2026-6pm EDT Jul 9, 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