Washington, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Washington, a town in Mcclain County, Oklahoma.
Today
103°F
Sunny
Sunny, with a high near 103. Heat index values as high as 103. South wind around 9 mph.
7-day forecast for Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 103°F | Sunny | 9 mph S | 2% |
| Tonight | 76°F | Mostly Clear | 9 mph SSE | 2% |
| Wednesday | 102°F | Sunny | 7 to 12 mph SSW | 3% |
| Wednesday Night | 77°F | Mostly Clear | 7 to 10 mph S | 3% |
| Thursday | 101°F | Mostly Sunny | 7 to 10 mph SSW | 12% |
| Thursday Night | 75°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 9 mph SSE | 17% |
| Friday | 98°F | Chance Showers And Thunderstorms | 6 to 9 mph S | 31% |
| Friday Night | 74°F | Chance Showers And Thunderstorms | 7 to 10 mph SSE | 26% |
| Saturday | 98°F | Sunny | 6 to 9 mph S | 11% |
| Saturday Night | 74°F | Mostly Clear | 10 mph S | 4% |
| Sunday | 98°F | Sunny | 7 to 13 mph S | 1% |
| Sunday Night | 75°F | Clear | 13 mph S | 0% |
| Monday | 98°F | Sunny | 10 to 15 mph S | 1% |
| Monday Night | 75°F | Mostly Clear | 12 to 15 mph S | 1% |
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 Aug 4, 2026.