Round Lake, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Round Lake, a village in Saratoga County, New York.
Overnight
47°F
Partly Cloudy
Partly cloudy, with a low around 47. South wind around 1 mph.
7-day forecast for Round Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Partly Cloudy | 1 mph S | 6% |
| Wednesday | 72°F | Mostly Sunny | 1 to 7 mph S | 5% |
| Wednesday Night | 54°F | Mostly Cloudy | 2 to 7 mph S | 7% |
| Thursday | 68°F | Rain Showers | 9 mph S | 89% |
| Thursday Night | 56°F | Chance Rain Showers | 0 to 6 mph SW | 32% |
| Friday | 65°F | Chance Rain Showers then Light Rain Likely | 2 mph NW | 56% |
| Friday Night | 49°F | Light Rain Likely | 3 mph N | 56% |
| Saturday | 61°F | Chance Light Rain | 6 mph NW | 44% |
| Saturday Night | 41°F | Chance Light Rain | 6 mph W | 44% |
| Sunday | 57°F | Chance Light Rain | 5 to 9 mph W | 36% |
| Sunday Night | 35°F | Slight Chance Light Rain | 5 mph W | 22% |
| Monday | 56°F | Chance Light Rain | 5 to 12 mph W | 26% |
| Monday Night | 33°F | Chance Light Rain | 3 to 7 mph W | 26% |
| Tuesday | 57°F | Chance Light Rain | 6 to 10 mph SW | 26% |
Forecast source: National Weather Service (api.weather.gov) for Round Lake (42.938, -73.796). Updated through the day.
Growing snapshot for Round Lake
Last spring frost
May 2
First fall frost
Oct 7
Growing season
158 days
Hardiness zone
6a
More local growing data for Round Lake: nearby ZIP 12151 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Ballston Spa
Clifton Gardens
Clifton Knolls-Mill Creek
Corinth
Country Knolls
Galway
Hudson Falls
Mechanicville
Milton
North Ballston Spa
Saratoga Springs
Schuylerville
South Glens Falls
Victory
Waterford
Climate data from the nearest NOAA station, Saratoga Springs 4 Sw, Ny (8.4 mi from Round Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.