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Riley, KS Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Riley, a city in Riley County, Kansas.

This Afternoon
61°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a high near 61. Northwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.

7-day forecast for Riley

WhenTempForecastWindPrecip
This Afternoon 61°F Chance Rain Showers 15 to 20 mph NW 26%
Tonight 42°F Slight Chance Drizzle then Cloudy 10 to 15 mph NW 22%
Wednesday 57°F Mostly Sunny 5 to 15 mph W 0%
Wednesday Night 38°F Mostly Clear 5 mph W 3%
Thursday 56°F Mostly Sunny 5 to 10 mph NW 11%
Thursday Night 37°F Partly Cloudy 5 mph N 0%
Friday 56°F Mostly Sunny 0 to 5 mph N 0%
Friday Night 37°F Mostly Cloudy 0 mph 0%
Saturday 62°F Mostly Sunny 0 to 5 mph W 4%
Saturday Night 39°F Clear 0 to 5 mph W 6%
Sunday 66°F Sunny 5 mph SW 2%
Sunday Night 42°F Clear 5 mph SW 0%
Monday 69°F Sunny 5 to 10 mph SW 0%
Monday Night 44°F Mostly Clear 5 mph NW 0%

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

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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 Nov 4, 2026.