Washington, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Washington, a town in St. Landry County, Louisiana.
Today
94°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1pm and 3pm. Sunny, with a high near 94. Heat index values as high as 99. Southwest wind 0 to 5 mph. Chance of precipitation is 30%.
7-day forecast for Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 25% |
| Tonight | 75°F | Mostly Clear | 0 to 10 mph SW | 26% |
| Wednesday | 95°F | Sunny | 0 to 5 mph SW | 14% |
| Wednesday Night | 74°F | Partly Cloudy | 0 to 5 mph S | 12% |
| Thursday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 30% |
| Thursday Night | 75°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 30% |
| Friday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 19% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 19% |
| Saturday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 21% |
| Saturday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 21% |
| Sunday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 44% |
| Sunday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 44% |
| Monday | 93°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 52% |
| Monday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 52% |
Forecast source: National Weather Service (api.weather.gov) for Washington (30.616, -92.060). Updated through the day.
Growing snapshot for Washington
Last spring frost
Feb 28
First fall frost
Nov 23
Growing season
267 days
Hardiness zone
9a
More local growing data for Washington: nearby ZIP 70589 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Arnaudville
Cankton
Grand Coteau
Krotz Springs
Lawtell
Lebeau
Leonville
Melville
Morrow
Opelousas
Palmetto
Port Barre
Sunset
Climate data from the nearest NOAA station, Grand Coteau, La (18.4 mi from Washington). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.