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Lamont, OK Weather & Growing Conditions

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

This Afternoon
99°F
Mostly Sunny
Mostly sunny, with a high near 99. Heat index values as high as 102. South wind around 17 mph, with gusts as high as 26 mph.

7-day forecast for Lamont

WhenTempForecastWindPrecip
This Afternoon 99°F Mostly Sunny 17 mph S 3%
Tonight 72°F Chance Showers And Thunderstorms 6 to 15 mph SE 41%
Sunday 91°F Chance Showers And Thunderstorms 8 mph E 40%
Sunday Night 62°F Chance Showers And Thunderstorms 5 to 9 mph NNE 37%
Monday 83°F Slight Chance Rain Showers then Partly Sunny 9 mph N 16%
Monday Night 57°F Mostly Clear 5 to 9 mph NE 2%
Tuesday 80°F Mostly Sunny 5 to 9 mph NE 2%
Tuesday Night 54°F Mostly Clear 5 to 8 mph ENE 1%
Wednesday 80°F Mostly Sunny 7 mph E 4%
Wednesday Night 57°F Partly Cloudy 3 to 7 mph E 10%
Thursday 85°F Chance Showers And Thunderstorms 2 to 6 mph SE 34%
Thursday Night 62°F Chance Showers And Thunderstorms 6 mph ESE 38%
Friday 86°F Chance Rain Showers 3 to 7 mph ESE 38%
Friday Night 64°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 6 mph E 17%

Forecast source: National Weather Service (api.weather.gov) for Lamont (36.691, -97.558). Updated through the day.

Growing snapshot for Lamont

Last spring frost
Apr 18
First fall frost
Oct 20
Growing season
183 days
Hardiness zone
7a

More local growing data for Lamont: nearby ZIP 74643 weather · frost dates · planting calendar · Oklahoma frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Jefferson 3Se, Ok (9.8 mi from Lamont). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.