Washington, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Washington, a town in Mcclain County, Oklahoma.
Tonight
45°F
Mostly Clear
Mostly clear, with a low around 45. Northwest wind around 6 mph.
7-day forecast for Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Mostly Clear | 6 mph NW | 0% |
| Wednesday | 67°F | Sunny | 5 mph W | 0% |
| Wednesday Night | 47°F | Mostly Clear | 3 mph SSE | 0% |
| Thursday | 64°F | Partly Sunny then Rain Showers Likely | 3 to 12 mph WNW | 61% |
| Thursday Night | 42°F | Slight Chance Rain Showers then Mostly Clear | 5 to 9 mph N | 16% |
| Friday | 63°F | Sunny | 8 mph N | 0% |
| Friday Night | 40°F | Partly Cloudy | 1 to 5 mph NNE | 0% |
| Saturday | 63°F | Mostly Sunny | 3 mph N | 2% |
| Saturday Night | 41°F | Mostly Clear | 2 mph NW | 3% |
| Sunday | 67°F | Sunny | 5 mph W | 2% |
| Sunday Night | 41°F | Clear | 2 mph SSW | 1% |
| Monday | 69°F | Sunny | 2 to 9 mph SSW | 1% |
| Monday Night | 45°F | Mostly Clear | 6 mph S | 1% |
| Tuesday | 71°F | Sunny | 3 to 9 mph S | 0% |
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 Nov 4, 2026.