Guilford Center, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Guilford Center, a community in New Haven County, Connecticut.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Southwest wind around 5 mph.
7-day forecast for Guilford Center
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 5 mph SW | 0% |
| Tonight | 64°F | Mostly Cloudy | 3 mph E | 5% |
| Wednesday | 83°F | Partly Sunny | 5 mph SW | 5% |
| Wednesday Night | 71°F | Mostly Cloudy then Chance Rain Showers | 3 mph S | 26% |
| Thursday | 87°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 8 mph SW | 18% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph SW | 18% |
| Friday | 88°F | Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 23% |
| Friday Night | 72°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 26% |
| Saturday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph SW | 28% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 28% |
| Sunday | 87°F | Mostly Sunny | 2 to 7 mph W | 14% |
| Sunday Night | 72°F | Mostly Clear | 2 to 6 mph SW | 9% |
| Monday | 89°F | Sunny | 2 to 9 mph SW | 10% |
| Monday Night | 70°F | Partly Cloudy | 2 to 7 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov) for Guilford Center (41.281, -72.676). Updated through the day.
Growing snapshot for Guilford Center
Last spring frost
Apr 17
First fall frost
Oct 27
Growing season
193 days
Hardiness zone
7a
More local growing data for Guilford Center: nearby ZIP 06437 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Ansonia
Branford Center
Cheshire Village
Derby
East Haven
Heritage Village
Madison Center
Meriden
Milford city
Naugatuck
New Haven
North Haven
Northford
Orange
Quinnipiac University
Wallingford Center
Waterbury
West Haven
Woodmont
Climate data from the nearest NOAA station, New Haven Tweed Ap, Ct (10.9 mi from Guilford Center). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.