Grantville, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grantville, a community in Jefferson County, Kansas.
Overnight
73°F
Mostly Clear
Mostly clear, with a low around 73. South wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Grantville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Mostly Clear | 5 to 10 mph S | 7% |
| Saturday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 15% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 81% |
| Sunday | 79°F | Showers And Thunderstorms Likely | 5 mph N | 59% |
| Sunday Night | 62°F | Showers And Thunderstorms Likely | 5 to 10 mph NE | 59% |
| Monday | 72°F | Chance Rain Showers | 5 to 10 mph N | 47% |
| Monday Night | 55°F | Mostly Cloudy | 5 to 10 mph NE | 6% |
| Tuesday | 69°F | Partly Sunny | 5 to 10 mph NE | 4% |
| Tuesday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Wednesday | 72°F | Mostly Sunny | 0 to 5 mph E | 1% |
| Wednesday Night | 55°F | Partly Cloudy | 0 to 5 mph E | 6% |
| Thursday | 74°F | Slight Chance Rain Showers | 0 to 5 mph E | 24% |
| Thursday Night | 57°F | Slight Chance Rain Showers | 0 to 5 mph E | 21% |
| Friday | 74°F | Slight Chance Rain Showers | 0 to 5 mph SE | 24% |
Forecast source: National Weather Service (api.weather.gov) for Grantville (39.081, -95.561). Updated through the day.
Growing snapshot for Grantville
Last spring frost
Apr 12
First fall frost
Oct 23
Growing season
191 days
Hardiness zone
6b
More local growing data for Grantville: nearby ZIP 66429 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Topeka Muni Ap, Ks (5.1 mi from Grantville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.