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Fall 2026 Frost/Freeze Program

Hazardous Weather Conditions

Current conditions at

New Haven, Tweed-New Haven Airport (KHVN)

Lat: 41.26°NLon: 72.89°WElev: 13ft.

Light Rain

52°F

11°C

Humidity	66%
Wind Speed	N 12 G 21 mph
Barometer	29.92 in (1013.2 mb)
Dewpoint	41°F (5°C)
Visibility	10.00 mi
Wind Chill	48°F (9°C)
Last update	17 Oct 4:53 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Derby CT

Freeze Warning October 18, 12:00am until October 18, 09:00am

Click here for hazard details and duration

Freeze Warning

Overnight
Low: 41 °F
Chance
Showers
Saturday
High: 51 °F
Chance
Showers then
Partly Sunny
Saturday Night
Low: 33 °F
Mostly Clear
Sunday
High: 55 °F
Sunny
Sunday Night
Low: 37 °F
Clear
Monday
High: 59 °F
Mostly Sunny
Monday Night
Low: 41 °F
Mostly Cloudy
Tuesday
High: 64 °F
Mostly Sunny
Tuesday Night
Low: 44 °F
Partly Cloudy

Detailed Forecast

Overnight

A 40 percent chance of showers. Cloudy, with a low around 41. Northwest wind around 14 mph.

Saturday

A 30 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 51. North wind around 14 mph, with gusts as high as 26 mph.

Saturday Night

Mostly clear, with a low around 33. North wind 6 to 8 mph.

Sunday

Sunny, with a high near 55. North wind around 5 mph becoming light and variable in the afternoon.

Sunday Night

Clear, with a low around 37. Calm wind.

Monday

Mostly sunny, with a high near 59.

Monday Night

Mostly cloudy, with a low around 41.

Tuesday

Mostly sunny, with a high near 64.