Alton, KS Weather & Growing Conditions
Tonight
70°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1am. Mostly cloudy. Low around 70, with temperatures rising to around 73 overnight. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 15 mph SSW | 23% |
| Saturday | 84°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph N | 18% |
| Saturday Night | 63°F | Mostly Cloudy then Chance Showers And Thunderstorms | 10 mph NNE | 41% |
| Sunday | 72°F | Chance Showers And Thunderstorms | 10 mph NNE | 44% |
| Sunday Night | 60°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NNE | 15% |
| Monday | 72°F | Partly Sunny | 5 to 10 mph N | 12% |
| Monday Night | 55°F | Mostly Clear | 5 to 10 mph NE | 6% |
| Tuesday | 70°F | Partly Sunny | 5 to 10 mph E | 2% |
| Tuesday Night | 57°F | Mostly Cloudy | 10 mph ESE | 8% |
| Wednesday | 72°F | Slight Chance Rain Showers | 10 mph SE | 17% |
| Wednesday Night | 60°F | Chance Rain Showers | 10 mph SE | 47% |
| Thursday | 73°F | Chance Rain Showers | 10 mph SSE | 47% |
| Thursday Night | 62°F | Chance Rain Showers | 5 to 10 mph SE | 33% |
| Friday | 75°F | Chance Rain Showers | 5 to 10 mph SE | 33% |
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.