Henderson, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Henderson, a community in Jefferson County, New York.
This Afternoon
61°F
Partly Sunny
Partly sunny, with a high near 61. South wind around 9 mph.
7-day forecast for Henderson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Partly Sunny | 9 mph S | 7% |
| Tonight | 55°F | Mostly Cloudy | 10 mph S | 7% |
| Wednesday | 70°F | Mostly Sunny | 10 mph S | 6% |
| Wednesday Night | 57°F | Mostly Cloudy then Rain Showers | 13 mph S | 80% |
| Thursday | 65°F | Light Rain | 6 to 13 mph S | 80% |
| Thursday Night | 49°F | Chance Rain Showers then Mostly Cloudy | 5 mph SW | 18% |
| Friday | 60°F | Slight Chance Rain Showers | 6 mph W | 17% |
| Friday Night | 43°F | Chance Rain Showers | 6 mph N | 34% |
| Saturday | 53°F | Chance Rain Showers | 9 mph NW | 45% |
| Saturday Night | 39°F | Chance Rain Showers | 8 mph NW | 45% |
| Sunday | 51°F | Chance Rain Showers then Slight Chance Light Rain | 6 to 12 mph W | 25% |
| Sunday Night | 38°F | Slight Chance Light Rain then Chance Rain Showers | 9 mph W | 42% |
| Monday | 51°F | Chance Light Rain | 8 to 13 mph NW | 42% |
| Monday Night | 38°F | Chance Light Rain then Chance Rain Showers | 10 mph W | 31% |
Forecast source: National Weather Service (api.weather.gov) for Henderson (43.848, -76.185). Updated through the day.
Growing snapshot for Henderson
Last spring frost
May 11
First fall frost
Oct 1
Growing season
140 days
Hardiness zone
5b
More local growing data for Henderson: nearby ZIP 13651 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Watertown Intl Ap, Ny (11.6 mi from Henderson). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.