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.
This Afternoon
66°F
Mostly Sunny
Mostly sunny, with a high near 66. Northeast wind around 2 mph.
7-day forecast for Round Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Mostly Sunny | 2 mph NE | 0% |
| Tonight | 46°F | Mostly Cloudy | 0 to 5 mph E | 10% |
| Sunday | 58°F | Rain | 7 mph SE | 98% |
| Sunday Night | 45°F | Rain Likely then Chance Rain Showers | 3 to 8 mph NE | 61% |
| Monday | 64°F | Partly Sunny | 9 mph N | 0% |
| Monday Night | 42°F | Mostly Cloudy | 5 to 8 mph N | 1% |
| Tuesday | 64°F | Partly Sunny | 6 mph NE | 1% |
| Tuesday Night | 42°F | Mostly Cloudy | 2 to 6 mph NE | 1% |
| Wednesday | 67°F | Partly Sunny | 7 mph NE | 3% |
| Wednesday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 1 to 6 mph E | 16% |
| Thursday | 65°F | Chance Rain Showers | 7 mph NE | 26% |
| Thursday Night | 44°F | Chance Rain Showers | 5 to 10 mph NE | 28% |
| Friday | 66°F | Chance Rain Showers | 10 mph N | 28% |
| Friday Night | 45°F | Chance Rain Showers | 7 to 10 mph N | 28% |
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 19, 2026.