Formoso, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Formoso, a city in Jewell County, Kansas.
Tonight
40°F
Mostly Cloudy
Mostly cloudy, with a low around 40. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Formoso
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 40°F | Mostly Cloudy | 10 to 15 mph NW | 4% |
| Wednesday | 55°F | Mostly Sunny | 5 to 10 mph WNW | 0% |
| Wednesday Night | 38°F | Mostly Clear | 5 mph WNW | 3% |
| Thursday | 54°F | Partly Sunny | 5 to 10 mph NW | 11% |
| Thursday Night | 35°F | Mostly Clear | 5 mph N | 0% |
| Friday | 54°F | Mostly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 36°F | Partly Cloudy | 0 mph | 1% |
| Saturday | 62°F | Mostly Sunny | 0 to 5 mph W | 3% |
| Saturday Night | 39°F | Mostly Clear | 0 to 5 mph WNW | 3% |
| Sunday | 65°F | Sunny | 5 mph WSW | 0% |
| Sunday Night | 42°F | Clear | 5 mph SSW | 0% |
| Monday | 68°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 43°F | Mostly Clear | 5 mph N | 0% |
| Tuesday | 65°F | Mostly Sunny | 5 mph ENE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Formoso (39.778, -97.993). Updated through the day.
Growing snapshot for Formoso
Last spring frost
Apr 17
First fall frost
Oct 21
Growing season
187 days
Hardiness zone
6a
More local growing data for Formoso: nearby ZIP 66942 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Courtland, Ks (5.5 mi from Formoso). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.