Caldwell, KS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Caldwell, a city in Sumner County, Kansas.
Overnight
73°F
Mostly Clear
Mostly clear, with a low around 73. South southeast wind around 8 mph, with gusts as high as 18 mph.
7-day forecast for Caldwell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Mostly Clear | 8 mph SSE | 3% |
| Tuesday | 101°F | Mostly Sunny | 9 mph SSE | 8% |
| Tuesday Night | 76°F | Partly Cloudy | 9 mph SSE | 5% |
| Wednesday | 98°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 9 mph W | 16% |
| Wednesday Night | 71°F | Slight Chance Showers And Thunderstorms | 7 mph NE | 20% |
| Thursday | 95°F | Chance Showers And Thunderstorms | 6 mph WSW | 27% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 7 mph ESE | 62% |
| Friday | 95°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 9 mph SE | 57% |
| Friday Night | 72°F | Mostly Clear | 5 to 8 mph SSE | 7% |
| Saturday | 98°F | Sunny | 5 to 10 mph S | 7% |
| Saturday Night | 74°F | Clear | 10 mph SSE | 2% |
| Sunday | 99°F | Sunny | 8 to 13 mph S | 1% |
| Sunday Night | 75°F | Clear | 12 mph S | 0% |
| Monday | 99°F | Sunny | 10 to 14 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Caldwell (37.035, -97.609). Updated through the day.
Growing snapshot for Caldwell
Last spring frost
Apr 15
First fall frost
Oct 29
Growing season
195 days
Hardiness zone
7a
More local growing data for Caldwell: nearby ZIP 67022 weather · frost dates · planting calendar · Kansas frost dates
Nearby towns & communities
Argonia
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Geuda Springs
Hunnewell
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Milton
Mulvane
Oxford
Peck
South Haven
Wellington
Climate data from the nearest NOAA station, Wellington, Ks (17.4 mi from Caldwell). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.