Sentinel, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sentinel, a town in Washita County, Oklahoma.
Tonight
44°F
Clear
Clear, with a low around 44. West northwest wind around 7 mph.
7-day forecast for Sentinel
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Clear | 7 mph WNW | 0% |
| Wednesday | 67°F | Sunny | 3 to 8 mph SW | 0% |
| Wednesday Night | 48°F | Mostly Clear | 8 mph SSE | 0% |
| Thursday | 61°F | Chance Rain Showers | 7 to 20 mph ENE | 36% |
| Thursday Night | 41°F | Mostly Clear | 6 to 9 mph N | 2% |
| Friday | 63°F | Sunny | 7 mph NNE | 0% |
| Friday Night | 40°F | Partly Cloudy | 5 mph NNE | 0% |
| Saturday | 63°F | Mostly Sunny | 1 to 5 mph WNW | 2% |
| Saturday Night | 42°F | Mostly Clear | 5 mph SW | 1% |
| Sunday | 68°F | Sunny | 6 mph WSW | 0% |
| Sunday Night | 42°F | Clear | 6 mph SSW | 1% |
| Monday | 69°F | Sunny | 6 to 13 mph SSW | 1% |
| Monday Night | 46°F | Mostly Clear | 9 mph SSW | 0% |
| Tuesday | 70°F | Mostly Sunny | 7 to 12 mph S | 1% |
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 Nov 4, 2026.