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.

Light Rain

66°F

19°C

Humidity 90%
Wind Speed S 5 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 Jun 11:53 am EDT
Extended Forecast for

South Bristol ME

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 3pm. Cloudy, with a high near 65. South wind around 10 mph.

    High: 65 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, cloudy, with a low around 58. South wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Patchy Fog

  • Juneteenth

    Juneteenth: Patchy fog before 10am, then patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 72. South wind 5 to 10 mph.

    High: 72 °F

    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers between 7pm and 2am. Patchy fog before 7pm. Otherwise, mostly cloudy, with a low around 61. Southwest wind around 10 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Mostly sunny, with a high near 76. West wind around 10 mph, with gusts as high as 20 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 3pm. Cloudy, with a high near 65. South wind around 10 mph.
Tonight
Patchy fog after 9pm. Otherwise, cloudy, with a low around 58. South wind around 5 mph becoming calm in the evening.
Juneteenth
Patchy fog before 10am, then patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 72. South wind 5 to 10 mph.
Thursday Night
A chance of showers between 7pm and 2am. Patchy fog before 7pm. Otherwise, mostly cloudy, with a low around 61. Southwest wind around 10 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 76. West wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Bristol ME
 43.86°N 69.58°W (Elev. 98 ft)
Last Update:
11:26 am EDT Jun 18, 2025
Forecast Valid:
1pm EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
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