North Country Weather: Watertown, Jefferson & St. Lawrence County Forecast
The forecast for the towns across Northern New York, straight from the National Weather Service, with any watches or warnings in force and ClickNNY's latest weather reporting. The Weather bar on this page follows your own location.
What's the weather in Watertown today?
Right now in Watertown: 72°F, mostly cloudy, as of 3:45 PM. National Weather Service forecast for today: A slight chance of rain showers after 5pm. Mostly sunny, with a high near 70. Southwest wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. Tonight: showers and thunderstorms likely then mostly cloudy, low 45°F.
Source: National Weather Service, observed at Watertown, Watertown International Airport. Forecast updated .
Weather alerts in the North Country
No National Weather Service watches, warnings or advisories are in force for Jefferson, Lewis, St. Lawrence, Franklin, Clinton or Oswego counties as of 4:04 PM EDT.
Full alert text and past alertsWeather where you are
Radar
Live radar loop from the National Weather Service Fort Drum (KTYX) station, covering Jefferson, Lewis and St. Lawrence counties. Refreshes every few minutes.
Forecast for North Country towns
Watertown
Jefferson County72°F Mostly Cloudy at 3:45 PM
- Today:
- Mostly Sunny then Slight Chance Rain Showers, high 70°F, 22% chance of precipitation
- Tonight:
- Showers And Thunderstorms Likely then Mostly Cloudy, low 45°F, 59% chance of precipitation
Fort Drum
Jefferson County72°F at 2:55 PM
- This Afternoon:
- Slight Chance Rain Showers, high 70°F, 20% chance of precipitation
- Tonight:
- Showers And Thunderstorms Likely then Mostly Cloudy, low 44°F, 58% chance of precipitation
Clayton
Jefferson County72°F Mostly Cloudy at 3:45 PM
- This Afternoon:
- Chance Rain Showers, high 67°F, 32% chance of precipitation
- Tonight:
- Chance Rain Showers then Mostly Cloudy, low 45°F, 45% chance of precipitation
Ogdensburg
St. Lawrence County70°F Mostly Cloudy at 3:45 PM
- This Afternoon:
- Chance Rain Showers, high 67°F, 31% chance of precipitation
- Tonight:
- Chance Rain Showers then Mostly Cloudy, low 44°F, 38% chance of precipitation
Potsdam
St. Lawrence County70°F Mostly Cloudy at 3:45 PM
- This Afternoon:
- Chance Rain Showers, high 69°F, 26% chance of precipitation
- Tonight:
- Chance Rain Showers then Mostly Cloudy, low 43°F, 42% chance of precipitation
Massena
St. Lawrence County70°F Mostly Cloudy at 3:45 PM
- This Afternoon:
- Chance Rain Showers, high 69°F, 39% chance of precipitation
- Tonight:
- Chance Rain Showers then Mostly Cloudy, low 43°F, 38% chance of precipitation
Lowville
Lewis County72°F at 2:55 PM
- This Afternoon:
- Partly Sunny, high 70°F, 6% chance of precipitation
- Tonight:
- Showers And Thunderstorms, low 43°F, 79% chance of precipitation
Malone
Franklin County70°F Mostly Cloudy at 3:45 PM
- Today:
- Mostly Sunny, high 69°F, 12% chance of precipitation
- Tonight:
- Chance Rain Showers then Mostly Cloudy, low 44°F, 45% chance of precipitation
Plattsburgh
Clinton County66°F Clear at 3:40 PM
- This Afternoon:
- Mostly Sunny, high 66°F, 2% chance of precipitation
- Tonight:
- Slight Chance Rain Showers then Mostly Cloudy, low 48°F, 24% chance of precipitation
Latest ClickNNY weather stories
- Sunny Thursday, then showers and storms tonightToday brings sunshine and highs near 70, with just a slight chance of rain showers after 5pm. Tonight, showers and thunderstorms are likely between 8pm and 11pm.
- Mild Wednesday, then sunny Thursday with afternoon rain chancesWednesday stays mostly sunny and mild with highs near 60. Thursday will be warmer and sunnier, but rain showers are possible after 4 or 5 PM.
- Sunny today, patchy fog at the morning bus stopTuesday brings sunny skies and highs near 47 to 50 across the North Country. Watch for patchy fog at 7 AM when children wait for the school bus.
- Slight chance of showers this afternoon, then sunny TuesdaySlight chance rain showers today in Watertown, with a high near 59. Tonight: partly cloudy, low around 28.
- Pleasant Sunday, chance of showers MondaySunny skies and mild temperatures today. Monday brings a chance of rain showers between morning and early afternoon, with highs in the 50s.
- Pleasant Saturday with patchy morning fog, sunny afternoonSaturday brings patchy fog before 10 AM, then sunny skies. Highs reach 55 to 60 degrees across the region.
- Sunny Friday with patchy morning fog; pleasant weekend aheadFriday brings mostly sunny skies with highs near 50 to 55 across the North Country. Saturday looks even nicer with similar conditions and highs near 55 to 58.
- Sunny Thursday, crisp Friday ahead for North CountryMostly sunny today in Watertown, with a high near 58. Tonight: partly cloudy, low around 34.
- Sunny and pleasant today, mostly sunny ThursdayBeautiful fall weather continues across North Country. Highs near 56 to 60 today under sunny skies. Thursday stays mostly sunny with highs near 51 to 58.
- Boil-water advisory issued for parts of OgdensburgA precautionary boil-water advisory is in effect for the 500 and 600 blocks of Morris Street and the 600 block of Jay Street in Ogdensburg.
- Sunny Tuesday, frost tonight and Wednesday morningMostly sunny today with highs near 59. Clear tonight with patchy to widespread frost after midnight, lows around 31 to 34. Sunny Wednesday with frost before 10 AM.
- North Country forecast calls for frosty start, mild Monday afternoonForecasts for Northern New York on Monday, Oct. 19, 2026, call for a cold start followed by mostly sunny, mild and mostly dry conditions.
Weather on ClickNNY News
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Common questions
- Where does ClickNNY's forecast come from?
- From the National Weather Service. The town forecasts, current conditions and alerts on this page are read from the NWS public API (api.weather.gov) and shown in the agency's own words. ClickNNY does not make its own forecast.
- Which National Weather Service office covers the North Country?
- Two offices. The NWS office in Buffalo covers Jefferson, Lewis and Oswego counties, including Watertown, Fort Drum, Clayton and Lowville. The NWS office in Burlington, Vermont covers St. Lawrence, Franklin and Clinton counties, including Ogdensburg, Potsdam, Massena, Malone and Plattsburgh.
- How often is this page updated?
- Alerts are re-checked about every minute, current conditions about every 10 minutes and town forecasts about every 30 minutes, which is as often as the National Weather Service usually changes them.
- Why does the Weather bar show a different town from mine?
- The Weather bar follows your own location, worked out from your device or your internet connection. On a VPN it shows the city your connection appears to come from. You can pick any North Country town from the forecast panel.
Forecasts, observations and alerts are from the National Weather Service (public domain) and are shown in the agency's words. ClickNNY is not affiliated with NOAA or the National Weather Service.