Allen, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Allen, a city in Lyon County, Kansas.
This Afternoon
65°F
Chance Rain Showers
A chance of rain showers before 5pm. Mostly cloudy. High near 65, with temperatures falling to around 54 in the afternoon. Northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
7-day forecast for Allen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Chance Rain Showers | 20 mph NW | 29% |
| Tonight | 44°F | Mostly Cloudy | 10 to 20 mph NW | 5% |
| 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% |
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 3, 2026.