Barnes, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Barnes, a city in Washington County, Kansas.
Tonight
40°F
Mostly Cloudy
Mostly cloudy, with a low around 40. Northwest wind around 10 mph, with gusts as high as 25 mph.
7-day forecast for Barnes
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 40°F | Mostly Cloudy | 10 mph NW | 12% |
| Wednesday | 55°F | Partly Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 37°F | Mostly Clear | 5 mph W | 5% |
| Thursday | 54°F | Partly Sunny | 5 to 10 mph NW | 14% |
| Thursday Night | 36°F | Mostly Cloudy | 5 mph N | 0% |
| Friday | 55°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 35°F | Mostly 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 | 65°F | Sunny | 0 to 5 mph W | 1% |
| Sunday Night | 40°F | Clear | 5 mph SW | 0% |
| Monday | 68°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Tuesday | 67°F | Mostly Sunny | 0 to 5 mph E | 0% |
Forecast source: National Weather Service (api.weather.gov) for Barnes (39.712, -96.873). Updated through the day.
Growing snapshot for Barnes
Last spring frost
Apr 24
First fall frost
Oct 14
Growing season
171 days
Hardiness zone
6a
More local growing data for Barnes: nearby ZIP 66933 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Washington, Ks (13.4 mi from Barnes). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.