Oswego, NY Weather & Growing Conditions
This Afternoon
80°F
Sunny
Sunny, with a high near 80. Northwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Sunny | 7 mph NW | 0% |
| Tonight | 62°F | Mostly Clear | 2 to 6 mph E | 0% |
| Wednesday | 87°F | Mostly Sunny | 7 mph S | 0% |
| Wednesday Night | 69°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph SE | 23% |
| Thursday | 84°F | Showers And Thunderstorms Likely | 6 mph SW | 62% |
| Thursday Night | 68°F | Showers And Thunderstorms Likely | 3 mph SW | 62% |
| Friday | 81°F | Chance Rain Showers then Chance Showers And Thunderstorms | 6 mph W | 42% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 3 mph SW | 47% |
| Saturday | 82°F | Chance Showers And Thunderstorms | 6 mph SW | 47% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 28% |
| Sunday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 8 mph SW | 21% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 to 7 mph SW | 46% |
| Monday | 81°F | Chance Rain Showers | 7 to 12 mph W | 46% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 5 to 9 mph W | 52% |
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 Aug 4, 2026.