Cornwall

Current Weather

4.5°C (40.1°F)

Few Clouds

Feels like: 3.3°C (37.9°F)

Humidity: 88%

Sun Schedule

Sunrise
07:17
Sunset
17:57

Today's Weather Summary

Today's temperature will be quite chilly, only reaching a high of 4.5°C (32°F), and feeling like 3.3°C, so dress warmly. The humidity is high at 88%, which may make the air feel damp. There are no significant winds, but do be aware of the Frost Advisory - protect sensitive plants and take necessary precautions for potential frost damage.

Alert Summary

A Frost Advisory is in effect from 11 PM tonight to 9 AM Saturday for Northern Fairfield County in Connecticut and Putnam County in New York. Overnight temperatures are expected to drop to 36 degrees, which may result in frost formation. Take precautions to protect sensitive plants and vegetation.

Active Weather Alerts

1

Frost Advisory

* WHAT...Temperatures as low as 36 will result in frost formation. * WHERE...In Connecticut, Northern Fairfield County. In New York, Putnam County. * WHEN...From 11 PM this evening to 9 AM EDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

From: Oct 24, 2025 13:49 Until: Oct 25, 2025 09:00

Alert History Patterns

Based on 39 historical alerts

Based on 39 historical alerts. Covering 9 different event types. Most common concerns: flood, coast, and new.

flood coast new freeze frost southern waterfront low near afternoon vulnerable what impacts northern shoreline statement counties expected watch ground sensitive level county york eastern warning connecticut outdoor monday lying temperature result western hudson wind vegetation locally moderate evening high tide conditions fairfield minor including possible sunday friday middlesex haven
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

Time Type Height

Wave Conditions

About Cornwall

Cornwall is a city in United States.

41.843706, -73.329285

Weather Map

City Images

Cornwall
Cornwall
Cornwall
Cornwall, United States
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Past Weather Alerts

5 of 38

Frost Advisory

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In Connecticut, Northe...

Oct 17, 2025 - Oct 18, 2025

Frost Advisory

* WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Litchfield County in C...

Oct 17, 2025 - Oct 18, 2025

Frost Advisory

* WHAT...Areas of frost formation due to low temperatures ranging widely from 33 to 36 degrees. * W...

Oct 16, 2025 - Oct 17, 2025

Frost Advisory

* WHAT...Low temperatures ranging from 33 to 36 degrees will result in areas of frost formation. * ...

Oct 16, 2025 - Oct 16, 2025

Coastal Flood Advisory

* WHAT...1 to 1 1/2 ft, locally 2 ft of inundation above ground level expected in vulnerable areas n...

Oct 12, 2025 - Oct 14, 2025