Swan Lake, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Swan Lake, a community in Sullivan County, New York.
This Afternoon
67°F
Partly Sunny
Partly sunny, with a high near 67. Southeast wind around 3 mph.
7-day forecast for Swan Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Partly Sunny | 3 mph SE | 0% |
| Tonight | 51°F | Mostly Cloudy then Rain Showers Likely | 5 mph SE | 58% |
| Sunday | 63°F | Rain Showers | 7 mph SE | 98% |
| Sunday Night | 49°F | Rain Showers Likely then Mostly Cloudy | 5 mph N | 67% |
| Monday | 66°F | Mostly Sunny | 5 mph NE | 1% |
| Monday Night | 43°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph NE | 22% |
| Tuesday | 59°F | Slight Chance Rain Showers | 3 to 7 mph E | 23% |
| Tuesday Night | 42°F | Mostly Cloudy | 5 to 9 mph E | 5% |
| Wednesday | 58°F | Partly Sunny | 10 mph E | 4% |
| Wednesday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 8 mph E | 19% |
| Thursday | 57°F | Slight Chance Rain Showers | 9 mph E | 20% |
| Thursday Night | 43°F | Chance Rain Showers | 6 mph NE | 32% |
| Friday | 62°F | Chance Rain Showers | 8 mph N | 31% |
| Friday Night | 45°F | Chance Rain Showers | 6 to 9 mph N | 31% |
Forecast source: National Weather Service (api.weather.gov) for Swan Lake (41.761, -74.783). Updated through the day.
Growing snapshot for Swan Lake
Last spring frost
May 9
First fall frost
Oct 5
Growing season
149 days
Hardiness zone
6a
More local growing data for Swan Lake: nearby ZIP 12734 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Barryville
Bloomingburg
Bridgeville
Eldred
Fallsburg
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Hortonville
Hurleyville
Jeffersonville
Kauneonga Lake
Kiamesha Lake
Lake Huntington
Liberty
Livingston Manor
Loch Sheldrake
Mongaup Valley
Monticello
Mountain Dale
Rock Hill
Smallwood
South Fallsburg
White Lake
Woodbourne
Woodridge
Wurtsboro
Wurtsboro Hills
Climate data from the nearest NOAA station, Liberty 1 Ne, Ny (4.7 mi from Swan Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.