Washington, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Washington, a town in Mcclain County, Oklahoma.
This Afternoon
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 98. South southeast wind around 10 mph.
7-day forecast for Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Sunny | 10 mph SSE | 0% |
| Tonight | 73°F | Mostly Clear | 7 to 10 mph S | 0% |
| Saturday | 98°F | Sunny | 8 to 13 mph SSW | 1% |
| Saturday Night | 74°F | Partly Cloudy | 12 mph S | 13% |
| Sunday | 96°F | Showers And Thunderstorms Likely | 10 mph S | 70% |
| Sunday Night | 66°F | Showers And Thunderstorms Likely | 3 to 8 mph ESE | 70% |
| Monday | 87°F | Chance Rain Showers | 5 to 9 mph NNE | 34% |
| Monday Night | 63°F | Mostly Clear then Slight Chance Rain Showers | 8 mph NE | 15% |
| Tuesday | 83°F | Slight Chance Rain Showers then Mostly Sunny | 10 mph NE | 15% |
| Tuesday Night | 60°F | Partly Cloudy | 9 mph NE | 5% |
| Wednesday | 84°F | Mostly Sunny | 8 mph ENE | 13% |
| Wednesday Night | 62°F | Partly Cloudy | 7 mph ENE | 8% |
| Thursday | 86°F | Slight Chance Rain Showers | 6 mph E | 20% |
| Thursday Night | 64°F | Partly Cloudy | 7 mph ENE | 11% |
Forecast source: National Weather Service (api.weather.gov) for Washington (35.055, -97.491). Updated through the day.
Growing snapshot for Washington
Last spring frost
Apr 3
First fall frost
Nov 3
Growing season
212 days
Hardiness zone
7b
More local growing data for Washington: nearby ZIP 73093 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Norman 3Sse, Ok (6.3 mi from Washington). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.