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
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 65 in the afternoon. Southwest wind 3 to 8 mph.
7-day forecast for Guilford Center
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Sunny | 3 to 8 mph SW | 0% |
| Tonight | 57°F | Partly Cloudy | 3 mph S | 0% |
| Thursday | 72°F | Mostly Cloudy | 5 to 10 mph S | 12% |
| Thursday Night | 62°F | Showers And Thunderstorms Likely | 3 to 8 mph SW | 73% |
| Friday | 68°F | Showers And Thunderstorms | 2 to 6 mph S | 95% |
| Friday Night | 54°F | Showers And Thunderstorms | 2 mph SW | 86% |
| Saturday | 66°F | Slight Chance Rain Showers | 2 to 8 mph NW | 19% |
| Saturday Night | 44°F | Slight Chance Light Rain | 8 mph W | 20% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 10 mph W | 20% |
| Sunday Night | 40°F | Partly Cloudy | 8 mph W | 5% |
| Monday | 58°F | Sunny then Slight Chance Light Rain | 9 to 14 mph W | 16% |
| Monday Night | 39°F | Slight Chance Light Rain then Mostly Clear | 8 mph W | 16% |
| Tuesday | 60°F | Sunny | 9 to 13 mph W | 6% |
| Tuesday Night | 39°F | Mostly Clear | 9 mph W | 3% |
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 Nov 4, 2026.