Oswego, KS Weather & Growing Conditions
Tonight
74°F
Mostly Clear
Mostly clear, with a low around 74. South wind 2 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Mostly Clear | 2 to 8 mph S | 1% |
| Saturday | 97°F | Sunny | 8 to 14 mph SSW | 2% |
| Saturday Night | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 7 to 12 mph S | 59% |
| Sunday | 92°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 to 9 mph SSW | 61% |
| Sunday Night | 66°F | Showers And Thunderstorms Likely | 3 to 7 mph NE | 72% |
| Monday | 83°F | Showers And Thunderstorms Likely | 3 to 10 mph N | 57% |
| Monday Night | 60°F | Partly Cloudy | 7 to 12 mph NNE | 12% |
| Tuesday | 78°F | Mostly Sunny | 10 mph NNE | 5% |
| Tuesday Night | 56°F | Partly Cloudy | 6 to 12 mph NE | 0% |
| Wednesday | 79°F | Mostly Sunny | 8 mph NE | 4% |
| Wednesday Night | 58°F | Partly Cloudy | 7 mph NE | 5% |
| Thursday | 80°F | Slight Chance Rain Showers | 6 mph ENE | 19% |
| Thursday Night | 60°F | Partly Cloudy then Slight Chance Rain Showers | 6 mph ENE | 15% |
| Friday | 81°F | Slight Chance Rain Showers | 5 to 8 mph ENE | 15% |
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 Sep 19, 2026.