Simpson, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Simpson, a city in Mitchell County, Kansas.
Overnight
71°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 71. East southeast wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Simpson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Slight Chance Showers And Thunderstorms | 10 mph ESE | 21% |
| Tuesday | 85°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 10 mph ENE | 18% |
| Tuesday Night | 64°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 15 mph NNE | 18% |
| Wednesday | 79°F | Chance Showers And Thunderstorms | 10 mph NNE | 37% |
| Wednesday Night | 63°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Thursday | 84°F | Mostly Sunny | 5 to 10 mph E | 7% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 32% |
| Friday | 91°F | Chance Showers And Thunderstorms then Sunny | 5 to 10 mph SSE | 32% |
| Friday Night | 70°F | Clear | 5 to 10 mph SSE | 4% |
| Saturday | 95°F | Sunny | 5 to 15 mph S | 4% |
| Saturday Night | 75°F | Mostly Clear | 10 to 15 mph S | 2% |
| Sunday | 97°F | Sunny | 10 to 20 mph S | 2% |
| Sunday Night | 76°F | Mostly Clear | 15 to 20 mph S | 3% |
| Monday | 98°F | Mostly Sunny | 15 to 20 mph S | 3% |
Forecast source: National Weather Service (api.weather.gov) for Simpson (39.386, -97.934). Updated through the day.
Growing snapshot for Simpson
Last spring frost
Apr 19
First fall frost
Oct 19
Growing season
181 days
Hardiness zone
6b
More local growing data for Simpson: nearby ZIP 67478 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Beloit, Ks (10 mi from Simpson). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.