DeWitt, NY Weather & Growing Conditions
Overnight
45°F
Mostly Cloudy
Mostly cloudy, with a low around 45. Northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Mostly Cloudy | 1 mph NE | 0% |
| Saturday | 68°F | Mostly Sunny | 2 mph NE | 1% |
| Saturday Night | 52°F | Mostly Cloudy then Rain Showers Likely | 2 to 7 mph SE | 65% |
| Sunday | 66°F | Rain Showers | 6 mph SW | 93% |
| Sunday Night | 48°F | Rain Showers Likely then Areas Of Fog | 2 to 6 mph N | 59% |
| Monday | 66°F | Areas Of Fog then Mostly Sunny | 2 to 7 mph N | 0% |
| Monday Night | 46°F | Mostly Cloudy | 3 to 7 mph NE | 8% |
| Tuesday | 63°F | Slight Chance Rain Showers | 3 to 7 mph E | 23% |
| Tuesday Night | 46°F | Mostly Cloudy | 3 to 7 mph E | 14% |
| Wednesday | 62°F | Slight Chance Rain Showers | 5 to 9 mph E | 21% |
| Wednesday Night | 47°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph E | 29% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 6 mph E | 33% |
| Thursday Night | 49°F | Chance Showers And Thunderstorms | 1 to 6 mph NE | 33% |
| Friday | 68°F | Chance Rain Showers | 2 to 7 mph NW | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for DeWitt, NY
Last spring frost
Apr 29
First fall frost
Oct 19
Growing season
173 days
Hardiness zone
6a
Explore more for DeWitt, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Syracuse Hancock Intl Ap, Ny (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.