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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
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.