Lamont, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lamont, a town in Grant County, Oklahoma.
Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 102. South wind around 15 mph, with gusts as high as 23 mph.
7-day forecast for Lamont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 15 mph S | 13% |
| Tonight | 71°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 to 13 mph S | 59% |
| Sunday | 90°F | Showers And Thunderstorms Likely | 7 mph ESE | 59% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 7 mph NNE | 52% |
| Monday | 81°F | Slight Chance Rain Showers then Mostly Sunny | 7 to 10 mph NNE | 17% |
| Monday Night | 57°F | Partly Cloudy | 6 to 10 mph NE | 6% |
| Tuesday | 77°F | Mostly Sunny | 8 mph NE | 7% |
| Tuesday Night | 54°F | Partly Cloudy | 5 to 8 mph ENE | 3% |
| Wednesday | 78°F | Mostly Sunny | 7 mph E | 7% |
| Wednesday Night | 56°F | Partly Cloudy | 6 mph E | 11% |
| Thursday | 81°F | Chance Rain Showers | 3 to 7 mph SE | 33% |
| Thursday Night | 61°F | Slight Chance Rain Showers | 6 mph ESE | 22% |
| Friday | 83°F | Slight Chance Rain Showers | 3 to 7 mph SE | 22% |
| Friday Night | 61°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph ESE | 18% |
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.