Barnes, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Barnes, a city in Washington County, Kansas.
Today
85°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 4pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 85. East wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Barnes
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph E | 18% |
| Tonight | 64°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 35% |
| Wednesday | 75°F | Chance Showers And Thunderstorms | 10 mph NE | 41% |
| Wednesday Night | 60°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 15% |
| Thursday | 81°F | Mostly Sunny | 0 to 5 mph E | 9% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms | 5 mph SE | 40% |
| Friday | 86°F | Chance Showers And Thunderstorms then Sunny | 0 to 5 mph S | 29% |
| Friday Night | 69°F | Mostly Clear | 5 mph S | 3% |
| Saturday | 90°F | Sunny | 5 to 10 mph S | 2% |
| Saturday Night | 73°F | Mostly Clear | 10 mph S | 1% |
| Sunday | 92°F | Sunny | 10 to 15 mph S | 1% |
| Sunday Night | 74°F | Mostly Clear | 10 to 15 mph S | 1% |
| Monday | 93°F | Mostly Sunny | 15 mph S | 1% |
| Monday Night | 74°F | Mostly Clear | 10 to 15 mph S | 5% |
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 Aug 4, 2026.