Manhattan, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Manhattan, a city in Riley County, Kansas.
Tonight
66°F
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Showers and thunderstorms likely before 10pm, then a chance of showers and thunderstorms between 10pm and 5am, then a chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 66. North wind 0 to 5 mph. Chance of precipitation is 60%.
7-day forecast for Manhattan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph N | 63% |
| Sunday | 74°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph N | 34% |
| Sunday Night | 62°F | Mostly Cloudy | 0 to 5 mph N | 5% |
| Monday | 70°F | Mostly Cloudy | 5 mph N | 9% |
| Monday Night | 54°F | Mostly Cloudy | 0 to 5 mph NE | 4% |
| Tuesday | 66°F | Partly Sunny | 5 mph NE | 2% |
| Tuesday Night | 51°F | Partly Cloudy | 0 to 5 mph E | 0% |
| Wednesday | 69°F | Mostly Sunny | 0 to 5 mph E | 1% |
| Wednesday Night | 56°F | Mostly Cloudy then Chance Showers And Thunderstorms | 0 to 5 mph E | 30% |
| Thursday | 74°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 41% |
| Thursday Night | 61°F | Chance Rain Showers | 0 to 5 mph SE | 33% |
| Friday | 77°F | Chance Rain Showers | 0 to 5 mph E | 33% |
| Friday Night | 63°F | Chance Rain Showers | 0 to 5 mph E | 25% |
| Saturday | 78°F | Chance Rain Showers | 5 mph SE | 36% |
Forecast source: National Weather Service (api.weather.gov) for Manhattan (39.188, -96.606). Updated through the day.
Growing snapshot for Manhattan
Last spring frost
Apr 16
First fall frost
Oct 19
Growing season
185 days
Hardiness zone
6a
More local growing data for Manhattan: nearby ZIP 66506 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Manhattan, Ks (0.1 mi from Manhattan). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.