Deer River, New York Weather
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Weather Forecast for Deer River, New York : Lewis County
Issued: 4:36 am EDT Sep 14, 2025 Latitude: 43.9297907 Longitude: -75.5890793 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
20% chance of rain on Today Morning Fog on Tonight Sunny on Monday Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday
High: 75°F Low: 48°F High: 76°F High: 79°F High: 81°F High: 81°F High: 75°F High: 67°F
Low: 49°F Low: 51°F Low: 53°F Low: 53°F Low: 46°F  
Rain Morning Fog Sunny Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
WATERTOWN - (KART)
52°
Mostly Clear
Mist
as of 5:20 AM EDST
Rel. Humidity: 100%
Dew Point: 52°F
Visibility: 4 Miles
Pressure: 30.02 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Few at 300ft
Current Conditions at
GRIFFISS AFB - (KRME)
55°
Cloudy
as of 3:53 AM CDST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 5500ft, Solid Overcast at 9500ft
20% chance of rain Today Today... A slight chance of showers before 8am. Patchy fog between 7am and 9am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 20%.

Morning Fog on Tonight Tonight... Patchy fog after 1am. Otherwise, mostly clear, with a low around 48. Calm wind.

Sunny on Monday Monday... Sunny, with a high near 76. Light and variable wind.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 49. Light and variable wind.

Sunny on Tuesday Tuesday... Sunny, with a high near 79. Light and variable wind.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 51. Light and variable wind.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 81. Calm wind.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 53. Calm wind.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 81.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 53.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 75.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 46.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 67.

Sun Almanac for Deer River, New York
Sunrise: 06:41 AM
Sunset: 7:14 PM
Civil Sunrise:06:12 AM
Civil Sunset: 7:43 PM
Nautical Sunrise: 05:38 AM
Nautical Sunset: 8:18 PM
Astro Sunrise: 05:02 AM
Astro Sunset: 8:53 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.