Alton, KS Weather & Growing Conditions
Tonight
37°F
Partly Cloudy
Partly cloudy, with a low around 37. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 37°F | Partly Cloudy | 10 to 15 mph NW | 1% |
| Wednesday | 55°F | Sunny | 5 to 10 mph WNW | 0% |
| Wednesday Night | 37°F | Mostly Clear | 5 mph WNW | 1% |
| Thursday | 54°F | Partly Sunny | 5 to 10 mph NW | 6% |
| Thursday Night | 34°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Friday | 54°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 36°F | Partly Cloudy | 5 mph S | 0% |
| Saturday | 63°F | Mostly Sunny | 5 mph W | 3% |
| Saturday Night | 37°F | Clear | 0 to 5 mph W | 3% |
| Sunday | 66°F | Sunny | 5 mph WSW | 0% |
| Sunday Night | 42°F | Clear | 5 to 10 mph SSW | 0% |
| Monday | 68°F | Sunny | 5 to 10 mph W | 0% |
| Monday Night | 42°F | Mostly Clear | 5 mph N | 0% |
| Tuesday | 65°F | Mostly Sunny | 5 mph NE | 0% |
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 Nov 4, 2026.