Herkimer, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Herkimer, a community in Marshall County, Kansas.
Tonight
72°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 72. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
7-day forecast for Herkimer
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 23% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 5 mph W | 46% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 5 mph N | 46% |
| Sunday | 71°F | Rain Showers Likely | 5 mph NE | 55% |
| Sunday Night | 59°F | Rain Showers Likely | 5 mph NE | 55% |
| Monday | 66°F | Slight Chance Rain Showers | 5 mph N | 21% |
| Monday Night | 54°F | Mostly Cloudy | 5 mph NE | 12% |
| Tuesday | 65°F | Partly Sunny | 5 mph NE | 3% |
| Tuesday Night | 51°F | Partly Cloudy | 0 to 5 mph E | 1% |
| Wednesday | 68°F | Partly Sunny | 0 to 5 mph E | 5% |
| Wednesday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SE | 18% |
| Thursday | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 38% |
| Thursday Night | 58°F | Chance Rain Showers | 0 mph | 27% |
| Friday | 70°F | Chance Rain Showers | 0 to 5 mph SE | 27% |
Forecast source: National Weather Service (api.weather.gov) for Herkimer (39.892, -96.709). Updated through the day.
Growing snapshot for Herkimer
Last spring frost
Apr 25
First fall frost
Oct 13
Growing season
171 days
Hardiness zone
6a
More local growing data for Herkimer: nearby ZIP 66412 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Marysville, Ks (8.9 mi from Herkimer). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.