Fontana, KS Weather & Growing Conditions
Tonight
73°F
Mostly Clear
Mostly clear, with a low around 73. South wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Mostly Clear | 7 mph S | 2% |
| Saturday | 97°F | Sunny | 7 to 12 mph SSW | 3% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 2 to 8 mph SW | 61% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 5 mph SW | 53% |
| Sunday Night | 63°F | Showers And Thunderstorms Likely | 6 mph NNE | 62% |
| Monday | 75°F | Showers And Thunderstorms Likely | 5 to 8 mph N | 55% |
| Monday Night | 56°F | Mostly Cloudy | 3 to 8 mph NNE | 11% |
| Tuesday | 71°F | Partly Sunny | 5 to 8 mph NNE | 4% |
| Tuesday Night | 50°F | Partly Cloudy | 3 to 7 mph NE | 4% |
| Wednesday | 74°F | Mostly Sunny | 6 mph ENE | 1% |
| Wednesday Night | 54°F | Partly Cloudy | 5 mph ENE | 3% |
| Thursday | 75°F | Slight Chance Rain Showers | 3 mph E | 19% |
| Thursday Night | 57°F | Mostly Cloudy | 3 mph E | 13% |
| Friday | 76°F | Slight Chance Rain Showers | 2 to 6 mph E | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fontana, KS
Last spring frost
Apr 14
First fall frost
Oct 25
Growing season
192 days
Hardiness zone
6b
Explore more for Fontana, KS: full frost dates · planting calendar · Kansas frost dates
Climate data from the nearest NOAA station, Osawatomie, Ks (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.