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

Hazardous Weather Conditions

Current conditions at

White Mountain Regional Airport (KIZG)

Lat: 43.99°NLon: 70.95°WElev: 449ft.

Fair

64°F

18°C

Humidity 25%
Wind Speed Vrbl 6 mph
Barometer 30.17 in (1021.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 21 May 4:54 pm EDT
Extended Forecast for

2 Miles ESE Porterfield ME

Frost Advisory May 21, 11:00pm until May 22, 08:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, mostly clear, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Partly Cloudy
    then Areas
    Frost

  • Friday

    Friday: Sunny, with a high near 69. Calm wind becoming north around 5 mph.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 67. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 67 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Showers

  • Memorial Day

    Memorial Day: Showers likely, mainly before 8am. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Areas of frost after 3am. Otherwise, mostly clear, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 69. Calm wind becoming north around 5 mph.
Friday Night
Partly cloudy, with a low around 39. Calm wind.
Saturday
Mostly cloudy, with a high near 67. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 43. Calm wind.
Sunday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Sunday Night
Showers. Low around 42. Chance of precipitation is 80%.
Memorial Day
Showers likely, mainly before 8am. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 75.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Porterfield ME
 43.88°N 70.88°W (Elev. 400 ft)
Last Update:
3:57 pm EDT May 21, 2026
Forecast Valid:
5pm EDT May 21, 2026-6pm EDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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