Sentinel, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sentinel, a town in Washita County, Oklahoma.
Tonight
74°F
Mostly Clear
Mostly clear, with a low around 74. South wind around 13 mph, with gusts as high as 20 mph.
7-day forecast for Sentinel
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Mostly Clear | 13 mph S | 1% |
| Saturday | 100°F | Sunny | 12 to 16 mph S | 4% |
| Saturday Night | 74°F | Chance Showers And Thunderstorms | 12 to 16 mph S | 25% |
| Sunday | 99°F | Slight Chance Showers And Thunderstorms | 12 mph SSW | 47% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 8 to 12 mph NE | 47% |
| Monday | 89°F | Slight Chance Rain Showers then Mostly Sunny | 14 mph NNE | 17% |
| Monday Night | 63°F | Partly Cloudy then Slight Chance Rain Showers | 13 mph NE | 20% |
| Tuesday | 85°F | Slight Chance Rain Showers | 13 mph ENE | 21% |
| Tuesday Night | 62°F | Partly Cloudy then Slight Chance Rain Showers | 9 to 13 mph ENE | 19% |
| Wednesday | 86°F | Slight Chance Rain Showers | 9 mph E | 19% |
| Wednesday Night | 64°F | Partly Cloudy then Chance Showers And Thunderstorms | 8 mph E | 25% |
| Thursday | 87°F | Chance Showers And Thunderstorms | 8 mph ESE | 34% |
| Thursday Night | 65°F | Slight Chance Showers And Thunderstorms | 7 mph ESE | 17% |
| Friday | 87°F | Slight Chance Rain Showers | 9 mph SE | 24% |
Forecast source: National Weather Service (api.weather.gov) for Sentinel (35.157, -99.173). Updated through the day.
Growing snapshot for Sentinel
Last spring frost
Apr 5
First fall frost
Nov 4
Growing season
210 days
Hardiness zone
7b
More local growing data for Sentinel: nearby ZIP 73664 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Clinton Sherman Ap, Ok (7 mi from Sentinel). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.