Old Saybrook Center, CT Weather & Growing Conditions
Overnight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Partly Cloudy | 5 mph SW | 3% |
| Wednesday | 69°F | Sunny | 5 to 10 mph SW | 3% |
| Wednesday Night | 59°F | Partly Cloudy | 6 to 9 mph SW | 2% |
| Thursday | 68°F | Slight Chance Rain Showers | 6 to 13 mph SW | 21% |
| Thursday Night | 62°F | Rain Showers | 8 to 12 mph SW | 83% |
| Friday | 66°F | Showers And Thunderstorms | 8 mph S | 91% |
| Friday Night | 55°F | Showers And Thunderstorms | 2 to 6 mph SW | 91% |
| Saturday | 66°F | Rain Showers Likely | 5 to 8 mph NW | 66% |
| Saturday Night | 43°F | Chance Rain Showers | 7 mph NW | 31% |
| Sunday | 61°F | Slight Chance Rain Showers then Mostly Sunny | 9 mph W | 19% |
| Sunday Night | 40°F | Partly Cloudy then Slight Chance Light Rain | 5 to 8 mph W | 16% |
| Monday | 60°F | Chance Light Rain | 8 to 13 mph NW | 29% |
| Monday Night | 39°F | Chance Light Rain | 10 mph W | 29% |
| Tuesday | 60°F | Chance Light Rain then Mostly Sunny | 14 mph W | 26% |
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 Nov 4, 2026.