De Witt, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for De Witt, a community in Onondaga County, New York.
Tonight
45°F
Mostly Cloudy
Mostly cloudy, with a low around 45. North wind 1 to 7 mph.
7-day forecast for De Witt
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Mostly Cloudy | 1 to 7 mph N | 1% |
| Saturday | 68°F | Mostly Sunny | 2 mph NE | 1% |
| Saturday Night | 54°F | Mostly Cloudy then Rain Showers Likely | 2 to 7 mph SE | 65% |
| Sunday | 65°F | Rain Showers | 6 mph SW | 92% |
| Sunday Night | 49°F | Rain Showers Likely then Areas Of Fog | 2 to 6 mph N | 57% |
| Monday | 65°F | Patchy Fog then Mostly Sunny | 3 to 7 mph N | 0% |
| Monday Night | 47°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 | 48°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 | 2 to 6 mph E | 33% |
| Friday | 68°F | Chance Rain Showers | 2 to 6 mph NW | 26% |
Forecast source: National Weather Service (api.weather.gov) for De Witt (43.028, -76.086). Updated through the day.
Growing snapshot for De Witt
Last spring frost
Apr 29
First fall frost
Oct 19
Growing season
173 days
Hardiness zone
6a
More local growing data for De Witt: nearby ZIP 13214 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Syracuse Hancock Intl Ap, Ny (5.1 mi from De Witt). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.