Oswego, NY Weather & Growing Conditions
Overnight
54°F
Partly Cloudy
Partly cloudy, with a low around 54. South wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Partly Cloudy | 8 mph S | 0% |
| Wednesday | 75°F | Mostly Sunny | 9 mph S | 0% |
| Wednesday Night | 57°F | Mostly Cloudy then Rain Showers | 13 mph S | 82% |
| Thursday | 68°F | Rain Showers | 5 to 13 mph SW | 86% |
| Thursday Night | 47°F | Mostly Cloudy | 3 mph SW | 10% |
| Friday | 62°F | Mostly Cloudy | 5 mph W | 11% |
| Friday Night | 42°F | Chance Rain Showers | 6 mph NE | 42% |
| Saturday | 54°F | Rain Showers Likely | 6 to 12 mph NW | 55% |
| Saturday Night | 37°F | Rain Showers Likely | 10 mph NW | 58% |
| Sunday | 52°F | Chance Rain Showers | 9 to 13 mph W | 46% |
| Sunday Night | 35°F | Chance Rain Showers | 12 mph W | 36% |
| Monday | 52°F | Chance Rain Showers | 9 to 14 mph W | 36% |
| Monday Night | 35°F | Chance Rain Showers | 9 mph W | 26% |
| Tuesday | 54°F | Chance Rain Showers | 8 to 16 mph W | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Oswego, NY
Last spring frost
Apr 22
First fall frost
Oct 29
Growing season
187 days
Hardiness zone
6a
Explore more for Oswego, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Oswego, Ny (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.