Colby, KS Weather & Growing Conditions
This Afternoon
78°F
Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 5pm. Partly sunny, with a high near 78. Northeast wind around 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Slight Chance Showers And Thunderstorms | 10 mph NE | 24% |
| Tonight | 58°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph NE | 89% |
| Sunday | 69°F | Chance Rain Showers then Mostly Cloudy | 5 mph NE | 34% |
| Sunday Night | 55°F | Chance Rain Showers | 0 to 5 mph NE | 28% |
| Monday | 69°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 28% |
| Monday Night | 52°F | Slight Chance Showers And Thunderstorms | 5 mph E | 20% |
| Tuesday | 68°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 5 to 15 mph SE | 16% |
| Tuesday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph SE | 15% |
| Wednesday | 73°F | Slight Chance Rain Showers | 15 to 20 mph S | 15% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 10 to 15 mph S | 37% |
| Thursday | 76°F | Chance Rain Showers | 5 to 10 mph S | 32% |
| Thursday Night | 59°F | Slight Chance Showers And Thunderstorms | 5 mph SE | 21% |
| Friday | 75°F | Slight Chance Rain Showers | 5 to 10 mph SE | 21% |
| Friday Night | 60°F | Chance Showers And Thunderstorms | 10 mph SE | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Colby, KS
Last spring frost
May 2
First fall frost
Oct 9
Growing season
156 days
Hardiness zone
6a
Explore more for Colby, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Colby 1Sw, Ks (1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.