Grainfield, KS Weather & Growing Conditions
Today
82°F
Partly Sunny
Partly sunny, with a high near 82. North wind 10 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Partly Sunny | 10 to 15 mph N | 14% |
| Tonight | 60°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 53% |
| Sunday | 70°F | Chance Rain Showers then Mostly Cloudy | 10 mph NE | 31% |
| Sunday Night | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph NE | 19% |
| Monday | 72°F | Slight Chance Rain Showers then Mostly Sunny | 5 mph NE | 19% |
| Monday Night | 53°F | Partly Cloudy | 5 to 10 mph E | 14% |
| Tuesday | 69°F | Partly Sunny | 5 to 10 mph SE | 14% |
| Tuesday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph SE | 17% |
| Wednesday | 74°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph SE | 17% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 10 to 15 mph SE | 47% |
| Thursday | 77°F | Chance Rain Showers | 10 mph S | 47% |
| Thursday Night | 60°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 34% |
| Friday | 77°F | Chance Rain Showers | 5 to 10 mph SE | 34% |
| Friday Night | 61°F | Chance Rain Showers | 10 mph SE | 41% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grainfield, KS
Last spring frost
Apr 24
First fall frost
Oct 18
Growing season
176 days
Hardiness zone
6a
Explore more for Grainfield, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Quinter, Ks (13.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.