Rotterdam, NY Weather & Growing Conditions
This Afternoon
62°F
Mostly Cloudy
Mostly cloudy, with a high near 62. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Mostly Cloudy | 3 mph E | 0% |
| Tonight | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 6 mph SE | 20% |
| Sunday | 57°F | Rain Showers | 5 to 9 mph SE | 99% |
| Sunday Night | 48°F | Rain Showers Likely then Mostly Cloudy | 6 mph NE | 59% |
| Monday | 61°F | Mostly Sunny | 8 mph N | 0% |
| Monday Night | 44°F | Mostly Cloudy | 7 mph NE | 2% |
| Tuesday | 59°F | Partly Sunny | 6 mph NE | 2% |
| Tuesday Night | 43°F | Mostly Cloudy | 2 to 6 mph NE | 1% |
| Wednesday | 61°F | Partly Sunny | 3 to 8 mph NE | 1% |
| Wednesday Night | 42°F | Mostly Cloudy | 2 to 7 mph E | 5% |
| Thursday | 58°F | Slight Chance Rain Showers | 3 to 7 mph NE | 17% |
| Thursday Night | 45°F | Chance Rain Showers | 5 mph NE | 30% |
| Friday | 61°F | Chance Rain Showers | 3 to 7 mph N | 30% |
| Friday Night | 48°F | Chance Rain Showers | 8 mph N | 30% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rotterdam, NY
Last spring frost
May 7
First fall frost
Oct 7
Growing season
153 days
Hardiness zone
5b
Explore more for Rotterdam, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Delanson 2Ne, Ny (7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.