Mankato, KS Weather & Growing Conditions
Today
85°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 85, with temperatures falling to around 81 in the afternoon. North wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph N | 20% |
| Tonight | 62°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph NNE | 61% |
| Sunday | 68°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NNE | 29% |
| Sunday Night | 59°F | Mostly Cloudy | 5 to 10 mph NNE | 12% |
| Monday | 66°F | Partly Sunny | 10 mph NNE | 10% |
| Monday Night | 52°F | Mostly Cloudy | 5 to 10 mph ENE | 8% |
| Tuesday | 64°F | Partly Sunny | 5 to 10 mph E | 3% |
| Tuesday Night | 52°F | Partly Cloudy | 10 mph ESE | 3% |
| Wednesday | 67°F | Partly Sunny | 5 to 10 mph SE | 14% |
| Wednesday Night | 57°F | Mostly Cloudy then Chance Showers And Thunderstorms | 10 mph SE | 36% |
| Thursday | 69°F | Chance Showers And Thunderstorms | 10 mph SE | 42% |
| Thursday Night | 60°F | Chance Showers And Thunderstorms | 10 mph SE | 29% |
| Friday | 70°F | Chance Showers And Thunderstorms | 10 mph ESE | 29% |
| Friday Night | 61°F | Slight Chance Showers And Thunderstorms | 10 mph SE | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mankato, KS
Last spring frost
Apr 30
First fall frost
Oct 14
Growing season
165 days
Hardiness zone
6a
Explore more for Mankato, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Mankato, Ks (0.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.