Mankato, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mankato, a city in Jewell County, Kansas.
This Afternoon
100°F
Mostly Sunny
Mostly sunny. High near 100, with temperatures falling to around 97 in the afternoon. South wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Mankato
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 100°F | Mostly Sunny | 15 mph S | 2% |
| Tonight | 69°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 15 mph SSW | 26% |
| Saturday | 83°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 5 to 10 mph N | 17% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 10 mph NNE | 30% |
| Sunday | 69°F | Chance Showers And Thunderstorms | 10 mph NNE | 43% |
| Sunday Night | 60°F | Chance Rain Showers | 5 to 10 mph NNE | 32% |
| Monday | 68°F | Slight Chance Rain Showers | 5 to 10 mph N | 15% |
| Monday Night | 55°F | Partly Cloudy | 5 to 10 mph NE | 14% |
| Tuesday | 66°F | Partly Sunny | 5 mph ENE | 2% |
| Tuesday Night | 54°F | Partly Cloudy | 5 to 10 mph ESE | 4% |
| Wednesday | 68°F | Slight Chance Rain Showers | 5 to 10 mph SE | 15% |
| Wednesday Night | 59°F | Mostly Cloudy then Chance Showers And Thunderstorms | 10 mph SE | 40% |
| Thursday | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph SSE | 40% |
| Thursday Night | 60°F | Chance Rain Showers | 5 to 10 mph SE | 32% |
Forecast source: National Weather Service (api.weather.gov) for Mankato (39.787, -98.208). Updated through the day.
Growing snapshot for Mankato
Last spring frost
Apr 30
First fall frost
Oct 14
Growing season
165 days
Hardiness zone
6a
More local growing data for Mankato: nearby ZIP 66956 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mankato, Ks (0.8 mi from Mankato). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.