Lamar, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lamar, a town in Hughes County, Oklahoma.
This Afternoon
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 102. South wind around 7 mph.
7-day forecast for Lamar
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Sunny | 7 mph S | 0% |
| Tonight | 74°F | Mostly Clear | 6 mph S | 0% |
| Saturday | 99°F | Sunny | 5 to 9 mph SSW | 0% |
| Saturday Night | 74°F | Mostly Clear | 5 to 8 mph S | 7% |
| Sunday | 97°F | Slight Chance Showers And Thunderstorms | 8 mph SSW | 42% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 5 mph SW | 64% |
| Monday | 90°F | Slight Chance Showers And Thunderstorms | 1 to 6 mph NNE | 62% |
| Monday Night | 65°F | Partly Cloudy | 5 mph NNE | 10% |
| Tuesday | 85°F | Mostly Sunny | 8 mph NNE | 13% |
| Tuesday Night | 63°F | Partly Cloudy | 3 to 7 mph NNE | 4% |
| Wednesday | 86°F | Mostly Sunny | 6 mph NE | 10% |
| Wednesday Night | 63°F | Partly Cloudy | 1 to 5 mph NE | 8% |
| Thursday | 88°F | Mostly Sunny | 1 to 5 mph ENE | 7% |
| Thursday Night | 65°F | Partly Cloudy | 3 mph ENE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Lamar (35.094, -96.125). Updated through the day.
Growing snapshot for Lamar
Last spring frost
Mar 29
First fall frost
Nov 5
Growing season
221 days
Hardiness zone
7b
More local growing data for Lamar: nearby ZIP 74850 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Holdenville 3Ese Mesonet, Ok (14.3 mi from Lamar). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.