Mankato, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mankato, a city in Jewell County, Kansas.
Today
82°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Mankato
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph NE | 22% |
| Tonight | 61°F | Chance Showers And Thunderstorms | 15 to 20 mph NNE | 29% |
| Wednesday | 74°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 46% |
| Wednesday Night | 59°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Thursday | 82°F | Mostly Sunny | 5 to 10 mph E | 3% |
| Thursday Night | 64°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 18% |
| Friday | 88°F | Slight Chance Showers And Thunderstorms then Sunny | 5 to 10 mph SSE | 18% |
| Friday Night | 69°F | Clear | 5 to 10 mph SSE | 2% |
| Saturday | 93°F | Sunny | 5 to 15 mph S | 2% |
| Saturday Night | 73°F | Mostly Clear | 15 mph S | 2% |
| Sunday | 95°F | Sunny | 10 to 20 mph S | 2% |
| Sunday Night | 74°F | Mostly Clear | 15 to 20 mph S | 4% |
| Monday | 96°F | Mostly Sunny | 15 to 20 mph S | 4% |
| Monday Night | 73°F | Mostly Clear | 15 to 20 mph SSE | 5% |
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 Aug 4, 2026.