Harman US

Shamrock, OK Weather & Growing Conditions

Overnight
47°F
Mostly Clear
Mostly clear, with a low around 47. West wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 47°F Mostly Clear 0 to 5 mph W 0%
Wednesday 67°F Sunny 0 to 5 mph W 0%
Wednesday Night 47°F Mostly Clear 0 mph 0%
Thursday 63°F Mostly Sunny then Chance Rain Showers 0 to 5 mph NE 55%
Thursday Night 43°F Slight Chance Rain Showers then Partly Cloudy 5 mph N 16%
Friday 59°F Mostly Sunny 5 mph N 0%
Friday Night 42°F Mostly Cloudy 0 mph 0%
Saturday 59°F Mostly Sunny 0 mph 0%
Saturday Night 39°F Partly Cloudy 0 mph 1%
Sunday 63°F Sunny 0 mph 0%
Sunday Night 40°F Clear 0 mph 0%
Monday 67°F Sunny 0 to 5 mph S 0%
Monday Night 44°F Clear 0 mph 1%
Tuesday 69°F Sunny 0 to 5 mph S 1%

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

Growing snapshot for Shamrock, OK

Last spring frost
Apr 9
First fall frost
Oct 25
Growing season
196 days
Hardiness zone
7b

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

Climate data from the nearest NOAA station, Bristow, Ok (11.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.