McAlester, OK Weather & Growing Conditions
Today
99°F
Mostly Sunny
Mostly sunny, with a high near 99. Heat index values as high as 100. South wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Mostly Sunny | 5 to 10 mph S | 0% |
| Tonight | 74°F | Mostly Clear | 5 mph S | 3% |
| Sunday | 96°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph S | 30% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 64% |
| Monday | 90°F | Rain Showers Likely | 0 to 5 mph NW | 64% |
| Monday Night | 65°F | Partly Cloudy | 5 mph N | 12% |
| Tuesday | 85°F | Mostly Sunny | 5 mph N | 10% |
| Tuesday Night | 62°F | Partly Cloudy | 0 to 5 mph NE | 6% |
| Wednesday | 86°F | Mostly Sunny | 0 to 5 mph NE | 8% |
| Wednesday Night | 63°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Thursday | 88°F | Mostly Sunny | 0 to 5 mph E | 6% |
| Thursday Night | 64°F | Partly Cloudy | 0 mph | 6% |
| Friday | 88°F | Mostly Sunny | 0 to 5 mph E | 7% |
| Friday Night | 65°F | Partly Cloudy | 0 mph | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for McAlester, OK
Last spring frost
Mar 31
First fall frost
Nov 3
Growing season
216 days
Hardiness zone
7b
Explore more for McAlester, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Mcalester Rgnl Ap, Ok (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.