Grainfield, KS Weather & Growing Conditions
Overnight
65°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 1am. Partly cloudy. Low around 65, with temperatures rising to around 68 overnight. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NW | 21% |
| Saturday | 82°F | Partly Sunny | 5 to 15 mph N | 14% |
| Saturday Night | 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 Partly Sunny | 5 mph N | 19% |
| Monday Night | 55°F | Partly Cloudy | 5 to 10 mph E | 10% |
| Tuesday | 71°F | Partly Sunny | 5 to 10 mph SE | 11% |
| Tuesday Night | 57°F | Mostly Cloudy then Chance Rain Showers | 10 mph SE | 25% |
| Wednesday | 74°F | Chance Rain Showers | 15 mph SE | 27% |
| Wednesday Night | 60°F | Chance Rain Showers | 10 to 15 mph S | 51% |
| Thursday | 76°F | Chance Rain Showers | 10 mph S | 51% |
| Thursday Night | 60°F | Chance Rain Showers | 5 to 10 mph SE | 34% |
| Friday | 76°F | Chance Rain Showers | 10 mph SE | 34% |
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.