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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.