Oswego, KS Weather & Growing Conditions
Overnight
47°F
Partly Cloudy
Partly cloudy, with a low around 47. West northwest wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Partly Cloudy | 8 mph WNW | 0% |
| Wednesday | 62°F | Mostly Sunny | 7 to 12 mph W | 0% |
| Wednesday Night | 43°F | Clear | 0 to 5 mph WSW | 1% |
| Thursday | 61°F | Sunny then Chance Rain Showers | 0 to 8 mph WNW | 33% |
| Thursday Night | 44°F | Partly Cloudy | 6 mph NNW | 7% |
| Friday | 58°F | Mostly Sunny | 6 to 9 mph N | 0% |
| Friday Night | 39°F | Mostly Cloudy | 2 to 6 mph NNE | 0% |
| Saturday | 57°F | Mostly Sunny | 5 mph NE | 0% |
| Saturday Night | 37°F | Partly Cloudy | 2 mph N | 0% |
| Sunday | 63°F | Sunny | 1 to 5 mph NNW | 0% |
| Sunday Night | 39°F | Clear | 2 mph WSW | 0% |
| Monday | 67°F | Sunny | 2 to 9 mph SSW | 0% |
| Monday Night | 43°F | Clear | 6 mph SSW | 1% |
| Tuesday | 69°F | Sunny | 3 to 8 mph SSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Oswego, KS
Last spring frost
Apr 11
First fall frost
Oct 26
Growing season
196 days
Hardiness zone
7a
Explore more for Oswego, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Parsons 2 Nw, Ks (15.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.