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

St. Johnsbury - Fairbanks (K1V4)

Lat: 44.42°NLon: 72.02°WElev: 696ft.

67°F

19°C

Humidity 79%
Wind Speed NA
Barometer 29.88 in (1011.0 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 19 Aug 9:54 pm EDT
Extended Forecast for

Pettyboro NH

  • Tonight

    Tonight: Areas of dense fog after 3am. Otherwise, partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy
    then Areas
    Dense Fog

  • Thursday

    Thursday: Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.

    High: 78 °F

    Areas Fog
    then Cloudy

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, sunny, with a high near 80. Calm wind.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 9pm, then a chance of showers between 9pm and 1am. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Showers then
    Chance
    Showers

Detailed Forecast

Tonight
Areas of dense fog after 3am. Otherwise, partly cloudy, with a low around 58. Calm wind.
Thursday
Areas of fog before 9am. Otherwise, mostly cloudy, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Patchy fog after 3am. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 52. Calm wind.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 80. Calm wind.
Friday Night
Partly cloudy, with a low around 55. Calm wind.
Saturday
Partly sunny, with a high near 78.
Saturday Night
A 30 percent chance of showers after 11pm. Mostly cloudy, with a low around 57.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 78. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 9pm, then a chance of showers between 9pm and 1am. Low around 57. Chance of precipitation is 80%.
Monday
A 30 percent chance of showers after 4pm. Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pettyboro NH
 44.21°N 71.95°W (Elev. 699 ft)
Last Update:
6:00 pm EDT Aug 19, 2026
Forecast Valid:
10pm EDT Aug 19, 2026-6pm EDT Aug 26, 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