National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Monsoon Flood Threat and Heat Building Out West

The monsoon threat with heavy rain and thunderstorms continues across a large portion of the West. Flash flood watches are in effect from New Mexico to Montana and Idaho and debris flows remain possible near vulnerable burn scars. Also out West, excessive heat watches are in effect and start Tuesday across the Interior Northwest and parts of the Southwest into the desert of southern California. Read More >

Current conditions at

New Haven, Tweed-New Haven Airport (KHVN)

Lat: 41.26°NLon: 72.89°WElev: 13ft.

Mostly Cloudy

79°F

26°C

Humidity 50%
Wind Speed W 8 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 2 Aug 1:53 pm EDT
Extended Forecast for

Derby CT

  • This
    Afternoon

    This Afternoon: Mostly sunny, with a high near 81. Northwest wind around 11 mph.

    Mostly Sunny

    High: 81 °F

  • Tonight

    Tonight: Mostly clear, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.

    Mostly Clear

    Low: 60 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon.

    Partly Sunny

    High: 80 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 62. Calm wind.

    Mostly Cloudy

    Low: 62 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers. Mostly cloudy, with a high near 80. Light and variable wind becoming east around 6 mph in the morning.

    Slight Chance
    Showers

    High: 80 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 61.

    Mostly Cloudy
    then Chance
    Showers

    Low: 61 °F

  • Thursday

    Thursday: A 50 percent chance of showers. Partly sunny, with a high near 80.

    Chance
    Showers

    High: 80 °F

  • Thursday
    Night

    Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 65.

    Chance
    Showers

    Low: 65 °F

  • Friday

    Friday: Mostly sunny, with a high near 83.

    Mostly Sunny

    High: 83 °F

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. Northwest wind around 11 mph.
Tonight
Mostly clear, with a low around 60. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 62. Calm wind.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 80. Light and variable wind becoming east around 6 mph in the morning.
Wednesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 61.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 80.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Partly sunny, with a high near 86.
Saturday Night
Mostly cloudy, with a low around 68.
Sunday
Partly sunny, with a high near 86.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Derby CT
 41.34°N 73.09°W (Elev. 118 ft)
Last Update:
1:31 pm EDT Aug 2, 2021
Forecast Valid:
2pm EDT Aug 2, 2021-6pm EDT Aug 8, 2021
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation