Blackwell, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blackwell, a city in Kay County, Oklahoma.
This Afternoon
62°F
Mostly Cloudy
Mostly cloudy. High near 62, with temperatures falling to around 58 in the afternoon. Northwest wind 15 to 21 mph, with gusts as high as 32 mph.
7-day forecast for Blackwell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Mostly Cloudy | 15 to 21 mph NW | 2% |
| Tonight | 44°F | Partly Cloudy | 3 to 12 mph WNW | 1% |
| Wednesday | 63°F | Sunny | 3 to 8 mph W | 0% |
| Wednesday Night | 45°F | Mostly Clear | 2 mph SSE | 5% |
| Thursday | 58°F | Rain Showers | 2 to 8 mph N | 82% |
| Thursday Night | 39°F | Mostly Clear | 5 mph NNW | 11% |
| Friday | 60°F | Sunny | 6 mph N | 0% |
| Friday Night | 39°F | Partly Cloudy | 0 to 3 mph NNE | 0% |
| Saturday | 62°F | Mostly Sunny | 0 to 5 mph WNW | 2% |
| Saturday Night | 40°F | Mostly Clear | 2 mph W | 4% |
| Sunday | 66°F | Sunny | 5 mph WSW | 1% |
| Sunday Night | 41°F | Clear | 3 mph SSW | 1% |
| Monday | 69°F | Sunny | 3 to 10 mph SSW | 0% |
| Monday Night | 45°F | Mostly Clear | 5 mph S | 0% |
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 Nov 3, 2026.