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

White Mountain Regional Airport (KIZG)

Lat: 43.99°NLon: 70.95°WElev: 449ft.

Light Rain

44°F

7°C

Humidity 85%
Wind Speed Calm
Barometer 29.95 in (1014.6 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 13 May 6:54 pm EDT
Extended Forecast for

Porterfield ME

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 2am. Patchy fog after 2am. Otherwise, cloudy, with a low around 43. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Rain, with thunderstorms also possible after 5pm. Patchy fog. High near 58. East wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Rain Likely
    and Patchy
    Fog then Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm. Patchy fog. Low around 45. Northeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 45 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: Rain before 2pm, then showers likely between 2pm and 5pm. High near 57. Northeast wind around 5 mph. Chance of precipitation is 80%.

    High: 57 °F

    Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before 2am. Patchy fog after 2am. Otherwise, cloudy, with a low around 43. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, with thunderstorms also possible after 5pm. Patchy fog. High near 58. East wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Rain and possibly a thunderstorm. Patchy fog. Low around 45. Northeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Friday
Rain before 2pm, then showers likely between 2pm and 5pm. High near 57. Northeast wind around 5 mph. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 43. Calm wind.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 47.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Porterfield ME
 43.88°N 70.91°W (Elev. 531 ft)
Last Update:
2:31 pm EDT May 13, 2026
Forecast Valid:
8pm EDT May 13, 2026-6pm EDT May 20, 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