Harman US

Alton, KS Weather & Growing Conditions

Today
88°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 3pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 88, with temperatures falling to around 85 in the afternoon. North northwest wind 5 to 10 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Today 88°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph NNW 17%
Tonight 63°F Slight Chance Showers And Thunderstorms 10 to 15 mph NNE 27%
Sunday 72°F Chance Rain Showers then Mostly Cloudy 10 mph NNE 28%
Sunday Night 59°F Mostly Cloudy 5 to 10 mph NNE 11%
Monday 71°F Partly Sunny 5 to 10 mph NNE 7%
Monday Night 54°F Partly Cloudy 5 to 10 mph ENE 3%
Tuesday 68°F Partly Sunny 5 to 10 mph E 3%
Tuesday Night 54°F Partly Cloudy 10 mph ESE 8%
Wednesday 72°F Slight Chance Rain Showers 10 mph SE 16%
Wednesday Night 59°F Mostly Cloudy then Chance Showers And Thunderstorms 10 mph SE 37%
Thursday 74°F Chance Showers And Thunderstorms 10 mph SSE 39%
Thursday Night 61°F Slight Chance Showers And Thunderstorms 5 to 10 mph SE 29%
Friday 74°F Chance Showers And Thunderstorms 5 to 10 mph SE 29%
Friday Night 62°F Chance Showers And Thunderstorms 10 mph SE 40%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Alton, KS

Last spring frost
Apr 29
First fall frost
Oct 12
Growing season
164 days
Hardiness zone
6a

Explore more for Alton, KS: full frost dates · planting calendar · Kansas frost dates

Climate data from the nearest NOAA station, Alton 1 W, Ks (2.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.