Harman US

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

WhenTempForecastWindPrecip
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.