Cornwall

Current Weather

-5.5°C (22.1°F)

Few Clouds

Feels like: -5.5°C (22.1°F)

Humidity: 96%

Sun Schedule

Sunrise
07:14
Sunset
16:55

Today's Weather Summary

Today, expect extremely cold temperatures around -5.5°C (32°F) with high humidity, making it feel even colder. A Winter Storm Watch and Cold Weather Advisory are in effect, so dress in warm layers, avoid prolonged outdoor exposure, and be cautious of potential snow and ice accumulation.

Alert Summary

**Cornwall is under a Winter Storm Watch and Cold Weather Advisory.** Expect heavy snow with accumulations over 7 inches and dangerously cold wind chills as low as -25°F from Friday evening to Saturday morning. Prepare for hazardous travel and protect against frostbite.

Active Weather Alerts

10

Winter Storm Watch

* WHAT...Heavy snow possible. Total snow accumulation greater than 7 inches possible. * WHERE...Northwestern Connecticut, western Massachusetts, all of east central and eastern New York except for northern Fulton, Hamilton and northern Fulton Counties, and southern Vermont. * WHEN...From Sunday morning through Monday evening. * IMPACTS...Dangerous travel conditions will be possible due to snow covered roadways and reduced visibility. * ADDITIONAL DETAILS...An impactful long-duration winter storm is expected Sunday into Monday. Snowfall rates may exceed one inch per hour at times, especially on Sunday night.

From: Jan 22, 2026 12:38 Until: Jan 23, 2026 05:00

Cold Weather Advisory

* WHAT...Very cold wind chills as low as 25 below expected. * WHERE...Portions of northwestern Connecticut and eastern New York. * WHEN...From 7 PM Friday to 10 AM EST Saturday. * IMPACTS...The dangerously cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

From: Jan 22, 2026 12:34 Until: Jan 23, 2026 06:00

Cold Weather Advisory

* WHAT...Very cold wind chills as low as 20 below expected. * WHERE...Much of Southern New England excluding Cape Cod and the Islands and the eastern slopes of the Berkshires. * WHEN...From 10 PM Friday to 10 AM EST Saturday. * IMPACTS...The dangerously cold wind chills as low as 20 below zero could cause frostbite on exposed skin in as little as 30 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

From: Jan 22, 2026 11:48 Until: Jan 23, 2026 07:00

Winter Storm Watch

* WHAT...Heavy snow possible. Potential for snow accumulations between 6 and 12 inches, with localized accumulations over 12 inches possible. * WHERE...Southern New England. * WHEN...From Sunday morning through Monday evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions. The hazardous conditions could impact the Monday morning and evening commutes. Travel during the Monday morning commute is likely to be very difficult.

From: Jan 22, 2026 11:44 Until: Jan 23, 2026 07:00

Cold Weather Advisory

* WHAT...Very cold wind chills around 10 below expected. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...From 10 PM Friday to 10 AM EST Saturday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures for any prolonged period of time.

From: Jan 22, 2026 13:07 Until: Jan 23, 2026 06:00

Winter Storm Watch

* WHAT...Heavy snow possible. Precipitation could mix with sleet and freezing rain for a time Sunday night especially closer to the coast. Potential for snow accumulation of 6 to 12 inches, with localized accumulations over 12 inches possible. * WHERE...All of southeast New York, northeast New Jersey, and southern Connecticut. * WHEN...From late Saturday night through Monday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Visibilities may drop below one quarter mile in heavy snow.

From: Jan 22, 2026 12:26 Until: Jan 22, 2026 20:30

Extreme Cold Watch

* WHAT...Dangerously cold wind chills as low as 25 below possible. * WHERE...Western Franklin MA, Western Hampden MA, and Western Hampshire MA Counties. * WHEN...From Friday evening through Saturday afternoon. * IMPACTS...The dangerously cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes.

From: Jan 22, 2026 00:17 Until: Jan 22, 2026 17:00

Extreme Cold Warning

* WHAT...Dangerously cold wind chills as low as 25 below expected. * WHERE...The eastern slopes of the Berkshires. * WHEN...From 7 PM Friday to 1 PM EST Saturday. * IMPACTS...The dangerously cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

From: Jan 22, 2026 11:48 Until: Jan 23, 2026 07:00

Extreme Cold Watch

* WHAT...Dangerously cold wind chills as low as 25 to 30 below zero possible. * WHERE...In Massachusetts, Berkshire County. In New York, Eastern Rensselaer and Southern Herkimer Counties. * WHEN...From Friday evening through Saturday afternoon. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 10 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

From: Jan 22, 2026 00:27 Until: Jan 22, 2026 16:00

Extreme Cold Warning

* WHAT...Dangerously cold wind chills as low as 30 below expected. * WHERE...In Massachusetts, Berkshire County. In New York, Eastern Rensselaer, Northern Warren, Hamilton, Northern Fulton, Northern Herkimer, and Southern Herkimer Counties. In Vermont, Bennington and Western Windham Counties. * WHEN...From 7 PM Friday to 1 PM EST Saturday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures. Using non-approved heating devices in your home can lead to fires and carbon monoxide poisoning.

From: Jan 22, 2026 12:34 Until: Jan 23, 2026 06:00

Alert History Patterns

Based on 203 historical alerts

Based on 203 historical alerts. Covering 19 different event types. Most common concerns: wind, new, and winter.

wind new winter impacts what snow freeze flood northern southern expected frost warning western evening conditions eastern watch york connecticut high morning afternoon storm counties power county possible result low gusts coast outages massachusetts additional accumulations until down blow around temperature inches hazardous rain west sensitive saturday statement portions gusty
This visualization shows the most common weather concerns based on past alerts for Cornwall

3-Day Weather Forecast

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Marine Conditions

Tide Information

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About Cornwall

Cornwall is a city in United States.

41.843706, -73.329285

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Cornwall
Cornwall
Cornwall
Cornwall, United States
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Past Weather Alerts

5 of 193

Extreme Cold Watch

* WHAT...Dangerously cold wind chills as low as 25 below possible. * WHERE...Western Franklin MA, W...

Jan 22, 2026 - Jan 22, 2026

Extreme Cold Watch

* WHAT...Dangerously cold wind chills as low as 25 to 30 below zero possible. * WHERE...In Massachu...

Jan 22, 2026 - Jan 22, 2026

Winter Weather Advisory

* WHAT...Snow. Additional snow accumulations between 2 and 4 inches. * WHERE...Portions of central ...

Jan 18, 2026 - Jan 19, 2026

Winter Weather Advisory

* WHAT...Snow. Additional snow accumulations between 2 and 4 inches. * WHERE...Portions of central ...

Jan 18, 2026 - Jan 19, 2026

Winter Weather Advisory

* WHAT...Snow. Additional snow accumulations up to one inch. * WHERE...Portions of northwestern Con...

Jan 19, 2026 - Jan 19, 2026