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.
Tonight
48°F
Mostly Cloudy
Mostly cloudy, with a low around 48. East wind 0 to 5 mph.
7-day forecast for Round Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Mostly Cloudy | 0 to 5 mph E | 9% |
| Sunday | 61°F | Rain Showers | 3 to 7 mph SE | 100% |
| Sunday Night | 47°F | Rain Showers Likely then Mostly Cloudy | 3 to 7 mph N | 66% |
| Monday | 65°F | Partly Sunny | 7 to 10 mph N | 0% |
| Monday Night | 43°F | Mostly Cloudy | 5 to 8 mph NE | 1% |
| Tuesday | 65°F | Partly Sunny | 6 mph NE | 1% |
| Tuesday Night | 43°F | Mostly Cloudy | 2 to 6 mph NE | 1% |
| Wednesday | 67°F | Partly Sunny | 7 mph NE | 1% |
| Wednesday Night | 42°F | Mostly Cloudy | 1 to 5 mph NE | 5% |
| Thursday | 65°F | Slight Chance Rain Showers | 6 mph NE | 17% |
| Thursday Night | 44°F | Chance Rain Showers | 2 to 7 mph NE | 29% |
| Friday | 66°F | Chance Rain Showers | 8 mph N | 29% |
| Friday Night | 46°F | Chance Rain Showers | 7 to 12 mph N | 29% |
| Saturday | 69°F | Chance Rain Showers | 12 mph N | 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 Sep 20, 2026.