Harman US

Oswego, NY Weather & Growing Conditions

This Afternoon
66°F
Partly Sunny
Partly sunny, with a high near 66. Northeast wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 66°F Partly Sunny 5 mph NE 0%
Tonight 50°F Mostly Cloudy then Rain Showers Likely 3 to 7 mph E 74%
Sunday 66°F Rain Showers 7 to 13 mph E 91%
Sunday Night 48°F Partly Cloudy 6 to 13 mph NE 1%
Monday 63°F Partly Sunny 13 mph NE 0%
Monday Night 46°F Mostly Cloudy 5 to 13 mph NE 1%
Tuesday 65°F Partly Sunny 5 to 10 mph NE 2%
Tuesday Night 47°F Mostly Cloudy 6 to 10 mph E 2%
Wednesday 67°F Mostly Sunny 7 to 10 mph E 1%
Wednesday Night 46°F Partly Cloudy 9 mph E 6%
Thursday 66°F Partly Sunny 8 mph E 8%
Thursday Night 47°F Mostly Cloudy 3 to 8 mph E 12%
Friday 66°F Partly Sunny then Slight Chance Rain Showers 3 to 12 mph NE 20%
Friday Night 48°F Slight Chance Rain Showers 5 to 12 mph NE 20%

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 Sep 20, 2026.