Old Saybrook Center, CT Weather & Growing Conditions
Today
81°F
Mostly Sunny
Mostly sunny, with a high near 81. Southwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Mostly Sunny | 3 mph SW | 0% |
| Tonight | 64°F | Mostly Cloudy | 3 mph SE | 7% |
| Wednesday | 81°F | Mostly Sunny | 5 mph W | 6% |
| Wednesday Night | 70°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph S | 24% |
| Thursday | 85°F | Slight Chance Rain Showers then Mostly Sunny | 3 to 9 mph SW | 15% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 9 mph SW | 15% |
| Friday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 mph SW | 17% |
| Friday Night | 72°F | Slight Chance Showers And Thunderstorms | 1 to 7 mph SW | 22% |
| Saturday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 7 mph SW | 21% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph SW | 23% |
| Sunday | 86°F | Mostly Sunny | 2 to 7 mph SW | 13% |
| Sunday Night | 71°F | Mostly Clear | 2 to 6 mph SW | 8% |
| Monday | 87°F | Sunny | 2 to 9 mph SW | 10% |
| Monday Night | 70°F | Partly Cloudy | 2 to 7 mph W | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Old Saybrook Center, CT
Last spring frost
Apr 6
First fall frost
Nov 17
Growing season
221 days
Hardiness zone
7a
Explore more for Old Saybrook Center, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Orient Pt Sp, Ny (13.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.