Harman US

Manchester, OK Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Manchester, a town in Grant County, Oklahoma.

Today
103°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 103. Heat index values as high as 100. South southeast wind around 9 mph.

7-day forecast for Manchester

WhenTempForecastWindPrecip
Today 103°F Mostly Sunny then Slight Chance Showers And Thunderstorms 9 mph SSE 12%
Tonight 74°F Slight Chance Showers And Thunderstorms 8 mph SE 12%
Wednesday 100°F Slight Chance Showers And Thunderstorms 6 to 9 mph WSW 15%
Wednesday Night 70°F Slight Chance Showers And Thunderstorms 8 mph NE 23%
Thursday 96°F Chance Showers And Thunderstorms 6 mph WSW 33%
Thursday Night 72°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 7 mph SE 60%
Friday 97°F Chance Showers And Thunderstorms 5 to 10 mph SSE 50%
Friday Night 71°F Mostly Clear 3 to 8 mph SSE 7%
Saturday 99°F Sunny 3 to 10 mph S 7%
Saturday Night 74°F Clear 9 mph SSE 2%
Sunday 100°F Sunny 7 to 13 mph S 0%
Sunday Night 74°F Mostly Clear 12 mph S 0%
Monday 100°F Sunny 8 to 14 mph S 0%
Monday Night 75°F Mostly Clear 9 to 13 mph SSE 1%

Forecast source: National Weather Service (api.weather.gov) for Manchester (36.994, -98.035). Updated through the day.

Growing snapshot for Manchester

Last spring frost
Apr 5
First fall frost
Nov 1
Growing season
209 days
Hardiness zone
7a

More local growing data for Manchester: nearby ZIP 73758 weather · frost dates · planting calendar · Oklahoma frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Great Salt Plains Dam, Ok (13.5 mi from Manchester). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.