Sentinel, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sentinel, a town in Washita County, Oklahoma.
Overnight
73°F
Clear
Clear, with a low around 73. South southeast wind around 13 mph, with gusts as high as 20 mph.
7-day forecast for Sentinel
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Clear | 13 mph SSE | 0% |
| Tuesday | 105°F | Sunny | 10 to 14 mph S | 1% |
| Tuesday Night | 76°F | Mostly Clear | 9 to 14 mph S | 3% |
| Wednesday | 104°F | Sunny | 9 to 16 mph SSW | 3% |
| Wednesday Night | 76°F | Mostly Clear | 10 to 16 mph S | 3% |
| Thursday | 103°F | Mostly Sunny | 8 to 15 mph SSW | 8% |
| Thursday Night | 75°F | Mostly Clear | 10 to 15 mph SSE | 10% |
| Friday | 102°F | Sunny | 9 to 13 mph S | 13% |
| Friday Night | 73°F | Mostly Clear | 9 to 14 mph SSE | 13% |
| Saturday | 102°F | Sunny | 8 to 13 mph S | 7% |
| Saturday Night | 74°F | Clear | 12 to 15 mph S | 3% |
| Sunday | 102°F | Sunny | 10 to 16 mph S | 1% |
| Sunday Night | 74°F | Clear | 17 mph S | 0% |
| Monday | 102°F | Sunny | 14 to 20 mph S | 0% |
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 Aug 4, 2026.