Unionville, New York Weather
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Weather Forecast for Unionville, New York : St. Lawrence County
Issued: 12:58 am EDT Aug 3, 2025 Latitude: 44.7128351 Longitude: -74.9968642 View on Google Maps

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Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Sunny on Today Mostly Clear on Tonight Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday Sunny on Friday Sunny on Saturday
High: 84°F Low: 59°F High: 84°F High: 83°F High: 86°F High: 85°F High: 87°F High: 89°F
Low: 60°F Low: 61°F Low: 63°F Low: 64°F Low: 66°F  
Sunny Mostly Clear Sunny Mostly Sunny Mostly Sunny Mostly Sunny Sunny Sunny
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Current Conditions at
MASSENA - (KMSS)
59°
Clear
as of 3:53 AM EDST
Rel. Humidity: 77%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
7 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
SARANAC LAKE - (KSLK)
45°
Clear
Mist
as of 3:51 AM EDST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 6 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
FORT DRUM - (KGTB)
63°
Clear
as of 3:55 AM EDST
Rel. Humidity: 63%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
8 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
WATERTOWN - (KART)
61°
Clear
as of 3:56 AM EDST
Rel. Humidity: 63%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
3 MPH
200° South
Cloud Level(s): Clear
Sunny on Today Today... Widespread haze. Sunny, with a high near 84. Southwest wind 7 to 10 mph.
Mostly Clear on Tonight Tonight... Widespread haze. Mostly clear, with a low around 59. Southwest wind 3 to 7 mph.
Sunny on Monday Monday... Sunny, with a high near 84. Calm wind becoming northwest around 6 mph in the afternoon.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 60. Light northeast wind.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 83. Northeast wind 3 to 6 mph.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 61. Light east wind.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 86. Northeast wind 3 to 6 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 63. Light and variable wind.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 64. Light south wind.
Sunny on Friday Friday... Sunny, with a high near 87. Southwest wind 5 to 7 mph.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 66. South wind around 5 mph.
Sunny on Saturday Saturday... Sunny, with a high near 89. Southwest wind around 7 mph.
Current Radar Image


Sun Almanac for Unionville, New York
Sunrise: 05:49 AM
Sunset: 8:23 PM
Civil Sunrise:05:16 AM
Civil Sunset: 8:56 PM
Nautical Sunrise: 04:34 AM
Nautical Sunset: 9:38 PM
Astro Sunrise: 03:47 AM
Astro Sunset: 10:25 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.