Shamrock, OK Weather & Growing Conditions
Today
97°F
Sunny
Sunny, with a high near 97. South wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Sunny | 5 to 10 mph S | 1% |
| Tonight | 73°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 17% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph S | 68% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph NE | 64% |
| Monday | 82°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 mph N | 47% |
| Monday Night | 60°F | Partly Cloudy | 5 mph NE | 12% |
| Tuesday | 77°F | Mostly Sunny | 5 mph NE | 12% |
| Tuesday Night | 57°F | Partly Cloudy | 5 mph NE | 3% |
| Wednesday | 79°F | Mostly Sunny | 5 mph NE | 5% |
| Wednesday Night | 59°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Thursday | 82°F | Mostly Sunny | 0 to 5 mph E | 13% |
| Thursday Night | 62°F | Mostly Cloudy | 0 mph | 9% |
| Friday | 83°F | Slight Chance Rain Showers | 0 to 5 mph SE | 17% |
| Friday Night | 63°F | Mostly Cloudy | 0 to 5 mph E | 12% |
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 Sep 19, 2026.