St. Charles, AR Weather & Growing Conditions
Today
92°F
Sunny
Sunny, with a high near 92. North northeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Sunny | 0 to 5 mph NNE | 0% |
| Tonight | 70°F | Clear | 0 to 5 mph E | 0% |
| Wednesday | 95°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 74°F | Mostly Clear | 0 to 5 mph SE | 2% |
| Thursday | 96°F | Mostly Sunny | 0 to 5 mph SSW | 7% |
| Thursday Night | 76°F | Partly Cloudy | 0 to 5 mph SSE | 7% |
| Friday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 27% |
| Friday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 27% |
| Saturday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SSW | 26% |
| Saturday Night | 75°F | Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 26% |
| Sunday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 15% |
| Sunday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 15% |
| Monday | 95°F | Mostly Sunny | 5 mph S | 13% |
| Monday Night | 75°F | Partly Cloudy | 5 mph S | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for St. Charles, AR
Last spring frost
Mar 17
First fall frost
Nov 10
Growing season
238 days
Hardiness zone
8b
Explore more for St. Charles, AR: full frost dates · planting calendar · Arkansas frost dates
Climate data from the nearest NOAA station, Saint Charles, Ar (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.