Mount Vernon

Sully County, New York, United States

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Current Weather

21°

Mostly Clear

Feels Like: 21°

Min: 11°

Max: 23°

The next few hours will be clear, with tomorrow reaching 26°C and dropping to 20°C. The coming days will be mostly cloudy starting in the afternoon.

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Hourly Forecast

22° 20° 18° 17° 16° 16° 16° 15° 15° 15° 14° 14° 14° 14° 16° 19° 20° 22° 23° 24° 25° 26° 26° 26°
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Today
Tomorrow

Daylight Hours

06:42

Sunrise

18:57

Sunset

12 hours 15 minutes of sunlight today

Moon

Waxing Crescent

11:31

Moonrise

20:29

Moonset

Daily Forecast

Today

11°
23°

Wednesday

14°
26°

Thursday

20°
27°

Friday

19°
25°

Saturday

15°
20°

Sunday

17°
21°

Monday

17°
22°

Tuesday

17°
22°

Wednesday

16°
21°

Thursday

15°
22°

Air Quality Data Available

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UV Index

No protection needed
1 Low
Low Extreme

Humidity

56% Comfortable
Low High

Weather in Mount Vernon tomorrow, September 16, 2026

Mount Vernon stays under cloudy skies on September 16, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. The opening hours look fair, as cloud stays near 31% around 10:00. Morning errands should face fewer weather interruptions.

Expect highs of 26°C and cooler readings close to 14°C. Moisture in the air spans 59%-92%, with the highest values around 03:00. Winds stay light, near 3.1 km/h by 14:00, so the day feels still more than breezy.

Through the afternoon skies look more workable, with cloud near 47% around 15:00. Later outdoor plans have a clearer window than the morning may have suggested. Visibility stays generally good near 16.1 km on average, though it can drop toward 15.6 km in thicker cloud or showers. The sun rises at 06:43 and sets at 18:55, for a total of 12 hours 12 minutes of sunlight today.

Overall, Mount Vernon on September 16, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 26°C.

Frequently asked questions about weather in Mount Vernon

How warm does it get in Mount Vernon?

The warmest month in Mount Vernon is July, with average high temperatures of 29°C. The average temperature during this period is around 25°C.

How cold does it get in Mount Vernon?

The coldest month in Mount Vernon is January, with average low temperatures of -2°C. The average temperature during this period is around 1°C.

What is the wettest time of year in Mount Vernon?

The wettest month in Mount Vernon is July, with an average of 125mm of precipitation.

What is the driest time of year in Mount Vernon?

The driest month in Mount Vernon is November, with an average of 80mm of precipitation.

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