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

Heat Advisory in Effect for Portions of Northern New York and Vermont Tuesday

A Heat Advisory is in effect for portions of the St. Lawrence and northern Champlain Valley from 8AM EDT Tuesday to 8AM EDT Wednesday. Hot temperatures will result in heat index values in the mid to upper 90s. Take extra precautions when outside and take frequent breaks in shaded or air conditioned environments. Remember to drink fluids and stay hydrated. Read More >

Hazardous Weather Conditions

Current conditions at

St. Johnsbury - Fairbanks (K1V4)

Lat: 44.42°NLon: 72.02°WElev: 696ft.

70°F

21°C

Humidity 82%
Wind Speed NA
Barometer 30.17 in (1020.3 mb)
Dewpoint 64°F (18°C)
Visibility NA
Last update 10 Aug 11:54 pm EDT
Extended Forecast for

Saint Johnsbury VTSimilar City Names

  • Overnight

    Overnight: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Light southwest wind.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 64. Light southwest wind.

    Low: 64 °F

    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. Northwest wind 3 to 5 mph.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Calm wind.
Monday
Sunny, with a high near 89. Calm wind.
Monday Night
Mostly clear, with a low around 62. Calm wind.
Tuesday
Sunny, with a high near 89. Light southwest wind.
Tuesday Night
Mostly clear, with a low around 64. Calm wind.
Wednesday
Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 64. Light southwest wind.
Thursday
Mostly sunny, with a high near 78. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 52. Northwest wind 3 to 5 mph.
Friday
Sunny, with a high near 76. Light northwest wind.
Friday Night
Mostly clear, with a low around 51. Calm wind.
Saturday
Sunny, with a high near 82. Light southwest wind.
Saturday Night
Partly cloudy, with a low around 60. Light south wind.
Sunday
Mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Johnsbury VTSimilar City Names
 44.41°N 71.97°W (Elev. 1424 ft)
Last Update:
3:29 pm EDT Aug 10, 2025
Forecast Valid:
12am EDT Aug 11, 2025-6pm EDT Aug 17, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation