Cartwright, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cartwright, a community in Bryan County, Oklahoma.
Overnight
74°F
Mostly Clear
Mostly clear, with a low around 74. Southeast wind around 5 mph.
7-day forecast for Cartwright
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Mostly Clear | 5 mph SE | 0% |
| Tuesday | 102°F | Sunny | 6 mph SSE | 1% |
| Tuesday Night | 78°F | Mostly Clear | 7 mph SSE | 1% |
| Wednesday | 102°F | Sunny | 5 to 9 mph SSW | 1% |
| Wednesday Night | 79°F | Mostly Clear | 8 mph S | 0% |
| Thursday | 101°F | Sunny | 8 mph SSW | 3% |
| Thursday Night | 78°F | Mostly Clear | 7 mph SSE | 3% |
| Friday | 98°F | Mostly Sunny | 5 to 8 mph S | 12% |
| Friday Night | 77°F | Mostly Clear | 8 mph SSE | 12% |
| Saturday | 98°F | Sunny | 7 mph S | 7% |
| Saturday Night | 77°F | Mostly Clear | 8 mph SSE | 7% |
| Sunday | 98°F | Sunny | 8 mph S | 4% |
| Sunday Night | 77°F | Mostly Clear | 8 mph SSE | 4% |
| Monday | 98°F | Sunny | 7 to 10 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov) for Cartwright (33.855, -96.557). Updated through the day.
Growing snapshot for Cartwright
Last spring frost
Mar 14
First fall frost
Nov 19
Growing season
250 days
Hardiness zone
8a
More local growing data for Cartwright: nearby ZIP 74731 weather · frost dates · planting calendar · Oklahoma frost dates
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Climate data from the nearest NOAA station, Sherman, Tx (12.1 mi from Cartwright). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.