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

Flood Watch in Effect 8 PM This Evening Through Wednesday Evening in south-central Vermont and eastern slopes of the Adirondacks

A Flood Watch is in effect for south-central Vermont and eastern slopes of the Adirondacks due to the potential for heavy rain. Widespread totals of 1-3 inches with localized amounts of 3-5 inches in the area could produce excessive runoff and cause flooding in low-lying or flood prone areas. Read More >

Hazardous Weather Conditions

Current conditions at

Massena, Massena International-Richards Field (KMSS)

Lat: 44.94°NLon: 74.85°WElev: 217ft.

Overcast

68°F

20°C

Humidity 96%
Wind Speed SW 3 mph
Barometer 29.61 in (1002.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 29 Jul 2:53 am EDT
Extended Forecast for

Potsdam NY

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 5am, then a chance of showers. Cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers after 3pm. High near 72. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers
    Likely then
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 9pm. Cloudy, with a low around 59. Light northeast wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 59 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers after noon. Mostly cloudy, with a high near 75. North wind 5 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Light and variable wind.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Light south wind.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82. Southwest wind 3 to 5 mph.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 5am, then a chance of showers. Cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely before noon, then showers and possibly a thunderstorm between noon and 3pm, then showers after 3pm. High near 72. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely, mainly before 9pm. Cloudy, with a low around 59. Light northeast wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 40 percent chance of showers after noon. Mostly cloudy, with a high near 75. North wind 5 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 58. Calm wind.
Friday
Mostly sunny, with a high near 80. Light and variable wind.
Friday Night
Partly cloudy, with a low around 61. Light south wind.
Saturday
Partly sunny, with a high near 82. Southwest wind 3 to 5 mph.
Saturday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 62. Calm wind.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Light southwest wind. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 79. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 59. Calm wind.
Tuesday
Sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Potsdam NY
 44.66°N 74.99°W (Elev. 410 ft)
Last Update:
2:43 am EDT Jul 29, 2026
Forecast Valid:
3am EDT Jul 29, 2026-6pm EDT Aug 4, 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