Washington, MO Weather & Growing Conditions
Today
59°F
Slight Chance Drizzle then Mostly Cloudy
A slight chance of drizzle before noon. Mostly cloudy, with a high near 59. West wind 6 to 12 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 59°F | Slight Chance Drizzle then Mostly Cloudy | 6 to 12 mph W | 12% |
| Tonight | 39°F | Mostly Clear | 3 mph W | 0% |
| Thursday | 64°F | Sunny | 3 to 8 mph W | 0% |
| Thursday Night | 41°F | Mostly Cloudy | 3 mph NW | 3% |
| Friday | 57°F | Partly Sunny | 3 to 7 mph N | 3% |
| Friday Night | 32°F | Partly Cloudy | 2 mph N | 0% |
| Saturday | 55°F | Mostly Sunny | 2 mph N | 0% |
| Saturday Night | 30°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 62°F | Sunny | 2 mph NW | 1% |
| Sunday Night | 31°F | Clear | 0 mph | 0% |
| Monday | 67°F | Sunny | 2 mph NW | 0% |
| Monday Night | 37°F | Clear | 1 mph W | 1% |
| Tuesday | 69°F | Sunny | 2 mph W | 2% |
| Tuesday Night | 39°F | Partly Cloudy | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Washington, MO
Last spring frost
Apr 8
First fall frost
Oct 25
Growing season
199 days
Hardiness zone
6b
Explore more for Washington, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Washington, Mo (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.