Mangum, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mangum, a city in Greer County, Oklahoma.
Today
105°F
Sunny
Sunny, with a high near 105. Heat index values as high as 102. South wind 9 to 14 mph, with gusts as high as 21 mph.
7-day forecast for Mangum
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 105°F | Sunny | 9 to 14 mph S | 1% |
| Tonight | 75°F | Mostly Clear | 9 to 14 mph S | 2% |
| Wednesday | 104°F | Sunny | 8 to 15 mph SSW | 2% |
| Wednesday Night | 75°F | Mostly Clear | 9 to 16 mph S | 2% |
| Thursday | 103°F | Sunny | 8 to 15 mph SSW | 5% |
| Thursday Night | 75°F | Mostly Clear | 9 to 15 mph SSE | 9% |
| Friday | 102°F | Sunny | 8 to 13 mph S | 9% |
| Friday Night | 73°F | Mostly Clear | 8 to 14 mph SSE | 11% |
| Saturday | 102°F | Sunny | 7 to 12 mph S | 9% |
| Saturday Night | 74°F | Clear | 10 to 14 mph SSE | 1% |
| Sunday | 102°F | Sunny | 9 to 15 mph S | 1% |
| Sunday Night | 74°F | Clear | 13 to 16 mph SSE | 0% |
| Monday | 102°F | Sunny | 12 to 18 mph S | 0% |
| Monday Night | 74°F | Clear | 14 to 18 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Mangum (34.879, -99.504). Updated through the day.
Growing snapshot for Mangum
Last spring frost
Apr 8
First fall frost
Nov 2
Growing season
207 days
Hardiness zone
7b
More local growing data for Mangum: nearby ZIP 73554 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mangum, Ok (6.9 mi from Mangum). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.