Allen, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Allen, a city in Lyon County, Kansas.
Tonight
44°F
Mostly Cloudy
Mostly cloudy, with a low around 44. Northwest wind 10 to 20 mph, with gusts as high as 25 mph.
7-day forecast for Allen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Mostly Cloudy | 10 to 20 mph NW | 8% |
| Wednesday | 58°F | Mostly Sunny | 5 to 15 mph W | 0% |
| Wednesday Night | 40°F | Mostly Clear | 5 mph W | 11% |
| Thursday | 57°F | Slight Chance Rain Showers | 5 to 10 mph NW | 21% |
| Thursday Night | 39°F | Partly Cloudy | 5 mph N | 0% |
| Friday | 56°F | Mostly Sunny | 5 mph N | 0% |
| Friday Night | 37°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 61°F | Mostly Sunny | 0 to 5 mph W | 4% |
| Saturday Night | 39°F | Mostly Clear | 0 to 5 mph W | 6% |
| Sunday | 65°F | Sunny | 5 mph W | 3% |
| Sunday Night | 41°F | Mostly Clear | 5 mph SW | 0% |
| Monday | 69°F | Sunny | 5 to 15 mph SW | 0% |
| Monday Night | 44°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 69°F | Sunny | 5 to 10 mph E | 0% |
Forecast source: National Weather Service (api.weather.gov) for Allen (38.655, -96.170). Updated through the day.
Growing snapshot for Allen
Last spring frost
Apr 16
First fall frost
Oct 23
Growing season
189 days
Hardiness zone
6b
More local growing data for Allen: nearby ZIP 66833 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Eskridge, Ks (12.3 mi from Allen). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.