Hailesboro, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hailesboro, a community in St. Lawrence County, New York.
Today
76°F
Mostly Sunny
Mostly sunny. High near 76, with temperatures falling to around 70 in the afternoon. South wind 5 to 8 mph.
7-day forecast for Hailesboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Mostly Sunny | 5 to 8 mph S | 3% |
| Tonight | 56°F | Mostly Cloudy then Chance Rain Showers | 7 to 10 mph S | 40% |
| Thursday | 66°F | Rain Showers | 8 to 12 mph SW | 86% |
| Thursday Night | 47°F | Patchy Fog | 7 mph SW | 1% |
| Friday | 62°F | Patchy Fog then Slight Chance Light Rain | 2 to 6 mph SW | 16% |
| Friday Night | 41°F | Chance Light Rain | 3 mph NE | 25% |
| Saturday | 52°F | Chance Light Rain | 7 mph N | 47% |
| Saturday Night | 34°F | Chance Light Rain | 5 mph NW | 47% |
| Sunday | 50°F | Chance Light Rain | 5 to 9 mph W | 35% |
| Sunday Night | 32°F | Chance Light Rain | 5 mph SW | 30% |
| Monday | 50°F | Chance Light Rain | 5 to 9 mph W | 30% |
| Monday Night | 31°F | Slight Chance Light Rain | 2 to 6 mph SW | 21% |
| Tuesday | 51°F | Chance Light Rain | 6 to 13 mph SW | 41% |
| Tuesday Night | 29°F | Chance Light Rain | 3 to 7 mph W | 41% |
Forecast source: National Weather Service (api.weather.gov) for Hailesboro (44.312, -75.433). Updated through the day.
Growing snapshot for Hailesboro
Last spring frost
May 14
First fall frost
Sep 26
Growing season
134 days
Hardiness zone
4b
More local growing data for Hailesboro: nearby ZIP 13645 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Gouverneur 3 Nw, Ny (4.5 mi from Hailesboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.