Harman US

Lamar, OK Weather & Growing Conditions

Tonight
46°F
Mostly Clear
Mostly clear, with a low around 46. West northwest wind 1 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 46°F Mostly Clear 1 to 5 mph WNW 1%
Wednesday 68°F Sunny 0 to 5 mph WNW 0%
Wednesday Night 46°F Mostly Clear 0 mph 0%
Thursday 68°F Mostly Sunny then Chance Rain Showers 0 to 6 mph W 38%
Thursday Night 44°F Partly Cloudy 5 mph N 13%
Friday 64°F Mostly Sunny 2 to 7 mph N 0%
Friday Night 41°F Partly Cloudy 2 mph N 0%
Saturday 64°F Mostly Sunny 0 to 5 mph N 1%
Saturday Night 41°F Mostly Clear 0 mph 4%
Sunday 68°F Sunny 0 to 3 mph NW 3%
Sunday Night 40°F Clear 0 mph 1%
Monday 70°F Sunny 0 to 6 mph WSW 0%
Monday Night 44°F Mostly Clear 2 mph W 1%
Tuesday 73°F Sunny 1 to 7 mph SSW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Lamar, OK

Last spring frost
Mar 29
First fall frost
Nov 5
Growing season
221 days
Hardiness zone
7b

Explore more for Lamar, OK: full frost dates · planting calendar · Oklahoma frost dates

Climate data from the nearest NOAA station, Holdenville 3Ese Mesonet, Ok (14.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.