Kirwin, KS Weather & Growing Conditions
Tonight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 10pm, then a chance of showers and thunderstorms. Mostly cloudy. Low around 69, with temperatures rising to around 72 overnight. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 28% |
| Saturday | 82°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph N | 16% |
| Saturday Night | 62°F | Mostly Cloudy then Chance Showers And Thunderstorms | 10 mph NNE | 44% |
| Sunday | 71°F | Chance Showers And Thunderstorms | 10 mph NNE | 40% |
| Sunday Night | 60°F | Mostly Cloudy | 5 to 10 mph NNE | 13% |
| Monday | 70°F | Partly Sunny | 5 mph N | 13% |
| Monday Night | 55°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Tuesday | 69°F | Partly Sunny | 5 to 10 mph E | 4% |
| Tuesday Night | 57°F | Mostly Cloudy | 10 mph ESE | 12% |
| Wednesday | 72°F | Slight Chance Rain Showers | 10 mph SE | 16% |
| Wednesday Night | 60°F | Chance Rain Showers | 5 to 10 mph SE | 50% |
| Thursday | 73°F | Chance Rain Showers | 5 to 10 mph SSE | 50% |
| Thursday Night | 61°F | Chance Rain Showers | 5 to 10 mph SE | 34% |
| Friday | 74°F | Chance Rain Showers | 5 to 10 mph SE | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Kirwin, KS
Last spring frost
Apr 30
First fall frost
Oct 7
Growing season
159 days
Hardiness zone
6a
Explore more for Kirwin, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Kirwin Dam, Ks (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.