Harman US

Guilford Center, CT Weather & Growing Conditions

Today
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 64 in the afternoon. Southwest wind 5 to 9 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 73°F Sunny 5 to 9 mph SW 0%
Tonight 56°F Partly Cloudy 5 mph S 0%
Thursday 72°F Mostly Cloudy 5 to 10 mph S 11%
Thursday Night 61°F Showers And Thunderstorms Likely 3 to 8 mph SW 70%
Friday 69°F Showers And Thunderstorms 5 mph S 94%
Friday Night 54°F Showers And Thunderstorms 2 mph SW 84%
Saturday 66°F Slight Chance Rain Showers 2 to 8 mph NW 19%
Saturday Night 45°F Slight Chance Light Rain 5 to 8 mph W 21%
Sunday 59°F Slight Chance Light Rain then Mostly Sunny 7 to 10 mph W 20%
Sunday Night 40°F Partly Cloudy 7 mph W 4%
Monday 57°F Sunny then Slight Chance Light Rain 7 to 14 mph W 15%
Monday Night 39°F Slight Chance Light Rain then Mostly Clear 5 to 8 mph W 15%
Tuesday 60°F Sunny 8 to 13 mph W 6%
Tuesday Night 39°F Mostly Clear 8 mph W 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Guilford Center, CT

Last spring frost
Apr 17
First fall frost
Oct 27
Growing season
193 days
Hardiness zone
7a

Explore more for Guilford Center, CT: full frost dates · planting calendar · Connecticut frost dates

Climate data from the nearest NOAA station, New Haven Tweed Ap, Ct (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.