Lyndon, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lyndon, a city in Osage County, Kansas.
Tonight
43°F
Mostly Cloudy
Mostly cloudy, with a low around 43. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Lyndon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Mostly Cloudy | 10 to 15 mph NW | 8% |
| Wednesday | 59°F | Mostly Sunny | 5 to 15 mph W | 0% |
| Wednesday Night | 38°F | Clear | 5 mph W | 9% |
| Thursday | 58°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph NW | 17% |
| Thursday Night | 37°F | Partly Cloudy | 5 mph NW | 2% |
| Friday | 57°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 36°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 61°F | Mostly Sunny | 0 to 5 mph W | 3% |
| Saturday Night | 37°F | Mostly Clear | 0 mph | 5% |
| Sunday | 66°F | Sunny | 0 to 5 mph W | 4% |
| Sunday Night | 39°F | Clear | 0 to 5 mph SW | 0% |
| Monday | 70°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 70°F | Sunny | 5 to 10 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Lyndon (38.612, -95.684). Updated through the day.
Growing snapshot for Lyndon
Last spring frost
Apr 8
First fall frost
Oct 31
Growing season
205 days
Hardiness zone
6b
More local growing data for Lyndon: nearby ZIP 66451 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Pomona Lake, Ks (6.5 mi from Lyndon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.