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Latest Briefing: High Heat and Humidity through Midweek
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Hazardous Weather Conditions

Current conditions at

New Haven, Tweed-New Haven Airport (KHVN)

Lat: 41.26°NLon: 72.89°WElev: 13ft.

Fair

74°F

23°C

Humidity	94%
Wind Speed	Calm
Barometer	29.98 in (1015.3 mb)
Dewpoint	72°F (22°C)
Visibility	7.00 mi
Last update	29 Jul 3:53 am EDT

More Information:

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

Extended Forecast for

Derby CT

Heat Advisory July 29, 04:18am until July 30, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 29, 04:18am until July 30, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
Today
High: 97 °F
Sunny
Tonight
Low: 73 °F
Mostly Clear
Wednesday
High: 93 °F
Sunny then
Slight Chance
T-storms
Wednesday Night
Low: 72 °F
Chance
T-storms
Thursday
High: 82 °F
Showers
Likely
Thursday Night
Low: 63 °F
Showers
Likely
Friday
High: 75 °F
Chance
Showers
Friday Night
Low: 59 °F
Partly Cloudy

Detailed Forecast

Today

Sunny, with a high near 97. Heat index values as high as 104. Calm wind becoming west around 6 mph in the morning.

Tonight

Mostly clear, with a low around 73. Light and variable wind.

Wednesday

A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Heat index values as high as 98. Calm wind becoming south 5 to 7 mph in the afternoon.

Wednesday Night

A 50 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. East wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers likely and possibly a thunderstorm. Cloudy, with a low around 63. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 75.

Friday Night

Partly cloudy, with a low around 59.

Saturday

Sunny, with a high near 82.

Saturday Night

Mostly clear, with a low around 59.

Sunday

Sunny, with a high near 85.

Sunday Night

Mostly clear, with a low around 62.