Riley, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Riley, a city in Riley County, Kansas.
This Afternoon
94°F
Mostly Sunny
Mostly sunny, with a high near 94. South wind around 15 mph.
7-day forecast for Riley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 94°F | Mostly Sunny | 15 mph S | 1% |
| Tonight | 75°F | Partly Cloudy | 10 to 15 mph S | 8% |
| Saturday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 10 mph SW | 22% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 56% |
| Sunday | 74°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 52% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 52% |
| Monday | 70°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph N | 22% |
| Monday Night | 55°F | Partly Cloudy | 5 to 10 mph NE | 6% |
| Tuesday | 67°F | Partly Sunny | 5 to 10 mph NE | 3% |
| Tuesday Night | 52°F | Partly Cloudy | 5 mph E | 2% |
| Wednesday | 70°F | Partly Sunny | 5 mph E | 6% |
| Wednesday Night | 58°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 24% |
| Thursday | 71°F | Chance Rain Showers | 5 mph SE | 33% |
| Thursday Night | 59°F | Mostly Cloudy then Chance Rain Showers | 5 mph SE | 27% |
Forecast source: National Weather Service (api.weather.gov) for Riley (39.299, -96.828). Updated through the day.
Growing snapshot for Riley
Last spring frost
Apr 22
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
6b
More local growing data for Riley: nearby ZIP 66531 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Tuttle Creek Lake, Ks (13.6 mi from Riley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.