Blackwell, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blackwell, a city in Kay County, Oklahoma.
Today
101°F
Mostly Sunny
Mostly sunny, with a high near 101. Heat index values as high as 101. South southeast wind 8 to 12 mph.
7-day forecast for Blackwell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 101°F | Mostly Sunny | 8 to 12 mph SSE | 1% |
| Tonight | 77°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 8 to 12 mph SSE | 12% |
| Wednesday | 100°F | Slight Chance Showers And Thunderstorms | 9 mph SW | 26% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms | 8 mph E | 26% |
| Thursday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 mph W | 21% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 mph ESE | 58% |
| Friday | 96°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 7 to 10 mph SSE | 58% |
| Friday Night | 73°F | Mostly Clear | 9 mph SSE | 11% |
| Saturday | 98°F | Sunny | 6 to 12 mph S | 11% |
| Saturday Night | 75°F | Clear | 12 mph S | 2% |
| Sunday | 99°F | Sunny | 8 to 14 mph S | 1% |
| Sunday Night | 75°F | Clear | 13 mph S | 0% |
| Monday | 99°F | Sunny | 10 to 15 mph S | 1% |
| Monday Night | 77°F | Mostly Clear | 14 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Blackwell (36.801, -97.301). Updated through the day.
Growing snapshot for Blackwell
Last spring frost
Apr 12
First fall frost
Oct 29
Growing season
199 days
Hardiness zone
7a
More local growing data for Blackwell: nearby ZIP 74631 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Blackwell 1Ssw, Ok (1.3 mi from Blackwell). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.