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Formoso, KS Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Formoso, a city in Jewell County, Kansas.

Today
88°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 88, with temperatures falling to around 83 in the afternoon. North northwest wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Formoso

WhenTempForecastWindPrecip
Today 88°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph NNW 22%
Tonight 63°F Slight Chance Showers And Thunderstorms 10 to 15 mph NNE 62%
Sunday 69°F Chance Rain Showers 10 mph NNE 28%
Sunday Night 60°F Mostly Cloudy 5 to 10 mph NNE 12%
Monday 68°F Partly Sunny 5 to 10 mph NNE 11%
Monday Night 53°F Mostly Cloudy 5 to 10 mph NE 7%
Tuesday 66°F Partly Sunny 5 mph ENE 3%
Tuesday Night 51°F Partly Cloudy 5 to 10 mph ESE 2%
Wednesday 68°F Partly Sunny 5 to 10 mph SE 11%
Wednesday Night 57°F Mostly Cloudy then Chance Showers And Thunderstorms 5 to 10 mph SE 34%
Thursday 70°F Chance Showers And Thunderstorms 5 to 10 mph SE 42%
Thursday Night 60°F Chance Showers And Thunderstorms 5 to 10 mph ESE 30%
Friday 71°F Chance Showers And Thunderstorms 5 to 10 mph ESE 30%
Friday Night 61°F Slight Chance Showers And Thunderstorms 5 to 10 mph SE 32%

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

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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 Sep 19, 2026.