Blanco, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blanco, a community in Pittsburg County, Oklahoma.
This Afternoon
100°F
Mostly Sunny
Mostly sunny, with a high near 100. Heat index values as high as 100. South wind 5 to 10 mph.
7-day forecast for Blanco
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 100°F | Mostly Sunny | 5 to 10 mph S | 0% |
| Tonight | 74°F | Mostly Clear | 5 mph S | 2% |
| Sunday | 97°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 24% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph SE | 59% |
| Monday | 92°F | Rain Showers Likely | 0 to 5 mph NE | 59% |
| Monday Night | 66°F | Partly Cloudy | 5 mph N | 14% |
| Tuesday | 87°F | Mostly Sunny | 5 to 10 mph N | 10% |
| Tuesday Night | 63°F | Partly Cloudy | 0 to 10 mph N | 8% |
| Wednesday | 88°F | Mostly Sunny | 0 to 5 mph NE | 7% |
| Wednesday Night | 63°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Thursday | 90°F | Mostly Sunny | 0 to 5 mph E | 5% |
| Thursday Night | 65°F | Partly Cloudy | 0 mph | 5% |
| Friday | 91°F | Mostly Sunny | 0 to 5 mph E | 6% |
| Friday Night | 66°F | Partly Cloudy | 0 mph | 7% |
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 Sep 19, 2026.