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Chaumont NY

[NOTICE]

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Last Update: 9:57 pm EDT Sep 18, 2026
Forecast Valid: 12am EDT Sep 19, 2026-6pm EDT Sep 25, 2026

Overnight

NE wind around 7 kt. Partly cloudy. Waves 1 ft or less.

Saturday

NE wind around 6 kt becoming variable and less than 5 kt in the afternoon. Mostly sunny. Waves 1 ft or less.

Saturday Night

Variable winds 5 kt or less. A chance of showers after 2am. Waves 1 ft or less.

Sunday

Variable winds less than 5 kt becoming NE 5 to 9 kt in the morning. Showers likely, mainly between 7am and 2pm. Waves 1 ft or less.

Sunday Night

NNE wind 5 to 7 kt. A slight chance of showers before 8pm. Waves 1 ft or less.

Monday

NNE wind around 12 kt. Mostly sunny. Waves 1 ft or less.

Monday Night

NE wind around 9 kt. Mostly cloudy. Waves 1 ft or less.

Tuesday

NE wind around 10 kt. Partly sunny. Waves 1 ft or less.

Tuesday Night

ENE wind 5 to 8 kt. Partly cloudy. Waves 1 ft or less.

The water temperature off Cape Vincent is 70 degrees.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.