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.

83°F

28°C

Humidity 33%
Wind Speed NA
Barometer 30.05 in (1016.4 mb)
Dewpoint 51°F (11°C)
Visibility NA
Heat Index82°F (28°C)
Last update 4 Aug 2:54 pm EDT
Extended Forecast for

Pettyboro NH

  • Tonight

    Tonight: Patchy dense fog after 4am. Otherwise, mostly clear, with a low around 55. West wind around 5 mph becoming calm.

    Low: 55 °F

    Clear then
    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy dense fog before 7am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph.

    High: 84 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy dense fog after 4am. Otherwise, partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Dense Fog

  • Thursday

    Thursday: A 30 percent chance of showers after 4pm. Patchy dense fog before 7am. Otherwise, increasing clouds, with a high near 84. Calm wind.

    High: 84 °F

    Patchy Dense
    Fog then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely then
    Partly Cloudy

Detailed Forecast

Tonight
Patchy dense fog after 4am. Otherwise, mostly clear, with a low around 55. West wind around 5 mph becoming calm.
Wednesday
Patchy dense fog before 7am. Otherwise, mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph.
Wednesday Night
Patchy dense fog after 4am. Otherwise, partly cloudy, with a low around 61. Calm wind.
Thursday
A 30 percent chance of showers after 4pm. Patchy dense fog before 7am. Otherwise, increasing clouds, with a high near 84. Calm wind.
Thursday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 66. Calm wind.
Friday
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers after noon. Partly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 61.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 79.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pettyboro NH
 44.21°N 71.98°W (Elev. 1040 ft)
Last Update:
2:19 pm EDT Aug 4, 2026
Forecast Valid:
3pm EDT Aug 4, 2026-6pm EDT Aug 11, 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