Rensselaer, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rensselaer, a city in Albany County, New York.
Overnight
47°F
Mostly Cloudy
Mostly cloudy, with a low around 47. North wind around 5 mph.
7-day forecast for Rensselaer
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Mostly Cloudy | 5 mph N | 0% |
| Saturday | 66°F | Mostly Sunny | 1 to 5 mph N | 0% |
| Saturday Night | 51°F | Mostly Cloudy then Chance Rain Showers | 0 to 7 mph E | 34% |
| Sunday | 62°F | Rain Showers | 5 to 9 mph SE | 97% |
| Sunday Night | 51°F | Rain Showers | 2 to 7 mph NE | 97% |
| Monday | 64°F | Partly Sunny | 9 mph N | 9% |
| Monday Night | 46°F | Mostly Cloudy | 3 to 8 mph N | 5% |
| Tuesday | 63°F | Mostly Cloudy | 5 mph N | 11% |
| Tuesday Night | 45°F | Mostly Cloudy | 1 to 5 mph NE | 9% |
| Wednesday | 63°F | Partly Sunny | 2 to 6 mph NE | 9% |
| Wednesday Night | 45°F | Slight Chance Rain Showers | 1 to 5 mph NE | 23% |
| Thursday | 61°F | Chance Rain Showers | 2 to 6 mph NE | 30% |
| Thursday Night | 48°F | Chance Rain Showers | 2 to 6 mph N | 31% |
| Friday | 68°F | Chance Rain Showers | 3 to 7 mph N | 25% |
Forecast source: National Weather Service (api.weather.gov) for Rensselaer (42.646, -73.733). Updated through the day.
Growing snapshot for Rensselaer
Last spring frost
Apr 27
First fall frost
Oct 15
Growing season
169 days
Hardiness zone
6a
More local growing data for Rensselaer: nearby ZIP 12207 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Albany
Altamont
Cohoes
Colonie
Green Island
Latham
Loudonville
Menands
Preston-Potter Hollow
Ravena
Roessleville
Siena College
Troy
Voorheesville
Watervliet
Westmere
Climate data from the nearest NOAA station, Albany Ap, Ny (6.8 mi from Rensselaer). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.