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

Hazardous Weather Conditions

Current conditions at

St. Johnsbury - Fairbanks (K1V4)

Lat: 44.42°NLon: 72.02°WElev: 696ft.

89°F

32°C

Humidity 39%
Wind Speed NA
Barometer 30.00 in (1014.5 mb)
Dewpoint 61°F (16°C)
Visibility NA
Heat Index89°F (32°C)
Last update 15 Jul 4:54 pm EDT
Extended Forecast for

Swiftwater NH

  • Tonight

    Tonight: Widespread haze before 10pm. Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Haze then
    Mostly Clear

  • Wednesday

    Wednesday: Widespread haze. Sunny and hot, with a high near 91. Heat index values as high as 95. Calm wind becoming southwest around 5 mph.

    High: 91 °F

    Haze

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms after 2am. Widespread haze before 9pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Haze then
    Scattered
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Scattered showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 84. Calm wind becoming south around 5 mph. Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: A 50 percent chance of showers between 1am and 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming west after midnight.

    Low: 64 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 76.

    High: 76 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Widespread haze before 10pm. Mostly clear, with a low around 66. Calm wind.
Wednesday
Widespread haze. Sunny and hot, with a high near 91. Heat index values as high as 95. Calm wind becoming southwest around 5 mph.
Wednesday Night
Scattered showers and thunderstorms after 2am. Widespread haze before 9pm. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Scattered showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Patchy fog before 10am. Otherwise, partly sunny, with a high near 84. Calm wind becoming south around 5 mph. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of showers between 1am and 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming west after midnight.
Friday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 54.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 60.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Swiftwater NH
 44.14°N 71.94°W (Elev. 807 ft)
Last Update:
1:48 pm EDT Jul 15, 2025
Forecast Valid:
5pm EDT Jul 15, 2025-6pm EDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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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