Simpson, LA Weather & Growing Conditions
Today
95°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1pm and 5pm. Sunny, with a high near 95. Heat index values as high as 99. Southeast wind around 0 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 26% |
| Tonight | 75°F | Mostly Clear | 0 to 5 mph S | 17% |
| Wednesday | 95°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 36% |
| Wednesday Night | 74°F | Mostly Clear | 0 mph | 6% |
| Thursday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 26% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 26% |
| Friday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 22% |
| Friday Night | 73°F | Slight Chance Showers And Thunderstorms | 0 mph | 22% |
| Saturday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 21% |
| Saturday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 21% |
| Sunday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 26% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 26% |
| Monday | 93°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 49% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 49% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Simpson, LA
Last spring frost
Mar 1
First fall frost
Nov 23
Growing season
268 days
Hardiness zone
9a
Explore more for Simpson, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Ft Polk Fullerton Lndg Strip, La (10.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.