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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

WhenTempForecastWindPrecip
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

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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.