Carthage, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Carthage, a village in Jefferson County, New York.
This Afternoon
64°F
Mostly Cloudy
Mostly cloudy, with a high near 64. South wind around 7 mph.
7-day forecast for Carthage
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Mostly Cloudy | 7 mph S | 7% |
| Tonight | 53°F | Mostly Cloudy | 7 mph S | 6% |
| Wednesday | 74°F | Mostly Sunny | 6 mph S | 6% |
| Wednesday Night | 58°F | Mostly Cloudy then Rain Showers Likely | 6 to 10 mph S | 83% |
| Thursday | 67°F | Light Rain | 5 to 12 mph SW | 92% |
| Thursday Night | 46°F | Chance Rain Showers | 3 mph SW | 50% |
| Friday | 62°F | Slight Chance Rain Showers | 3 mph SW | 19% |
| Friday Night | 41°F | Chance Rain Showers | 2 mph N | 33% |
| Saturday | 54°F | Chance Rain Showers | 6 mph NW | 48% |
| Saturday Night | 35°F | Chance Rain Showers | 5 mph W | 48% |
| Sunday | 50°F | Chance Rain Showers then Slight Chance Light Rain | 3 to 8 mph W | 25% |
| Sunday Night | 32°F | Slight Chance Light Rain then Chance Rain Showers | 5 mph W | 38% |
| Monday | 51°F | Chance Light Rain | 3 to 9 mph W | 38% |
| Monday Night | 32°F | Chance Light Rain then Slight Chance Rain Showers | 7 mph SW | 33% |
Forecast source: National Weather Service (api.weather.gov) for Carthage (43.983, -75.603). Updated through the day.
Growing snapshot for Carthage
Last spring frost
May 8
First fall frost
Oct 1
Growing season
145 days
Hardiness zone
4b
More local growing data for Carthage: nearby ZIP 13619 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Lowville, Ny (13.9 mi from Carthage). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.