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Mangum, OK Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Mangum, a city in Greer County, Oklahoma.

Overnight
73°F
Mostly Clear
Mostly clear, with a low around 73. South wind around 12 mph.

7-day forecast for Mangum

WhenTempForecastWindPrecip
Overnight 73°F Mostly Clear 12 mph S 1%
Saturday 101°F Sunny 10 to 14 mph SSW 5%
Saturday Night 73°F Chance Showers And Thunderstorms 9 to 14 mph S 25%
Sunday 99°F Chance Showers And Thunderstorms 9 mph SSW 43%
Sunday Night 65°F Chance Showers And Thunderstorms 7 to 10 mph ENE 43%
Monday 90°F Slight Chance Rain Showers then Mostly Sunny 9 to 13 mph NNE 15%
Monday Night 63°F Chance Showers And Thunderstorms 12 mph NE 25%
Tuesday 86°F Chance Rain Showers 12 mph ENE 25%
Tuesday Night 61°F Mostly Cloudy then Slight Chance Rain Showers 10 mph E 16%
Wednesday 87°F Chance Rain Showers 6 to 9 mph E 26%
Wednesday Night 63°F Mostly Cloudy then Chance Showers And Thunderstorms 8 mph E 28%
Thursday 88°F Chance Showers And Thunderstorms 7 mph ESE 31%
Thursday Night 64°F Mostly Cloudy then Slight Chance Rain Showers 7 mph E 21%
Friday 87°F Slight Chance Rain Showers 8 mph SE 21%

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

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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 Sep 19, 2026.