Blanco, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blanco, a community in Pittsburg County, Oklahoma.
Tonight
45°F
Partly Cloudy
Partly cloudy, with a low around 45. Northwest wind 0 to 10 mph.
7-day forecast for Blanco
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Partly Cloudy | 0 to 10 mph NW | 1% |
| Wednesday | 70°F | Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 43°F | Partly Cloudy | 0 mph | 0% |
| Thursday | 72°F | Mostly Sunny | 0 to 5 mph SW | 14% |
| Thursday Night | 43°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph N | 15% |
| Friday | 65°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 39°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 66°F | Partly Sunny | 0 to 5 mph N | 1% |
| Saturday Night | 39°F | Mostly Clear | 0 mph | 5% |
| Sunday | 68°F | Sunny | 0 to 5 mph NW | 2% |
| Sunday Night | 39°F | Clear | 0 mph | 1% |
| Monday | 71°F | Sunny | 0 to 5 mph SW | 1% |
| Monday Night | 42°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 75°F | Sunny | 0 to 5 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Blanco (34.751, -95.774). Updated through the day.
Growing snapshot for Blanco
Last spring frost
Mar 31
First fall frost
Nov 3
Growing season
216 days
Hardiness zone
7b
More local growing data for Blanco: nearby ZIP 74528 weather · frost dates · planting calendar · Oklahoma frost dates
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Climate data from the nearest NOAA station, Mcalester Rgnl Ap, Ok (12.8 mi from Blanco). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.