St. Charles, AR Weather & Growing Conditions
Overnight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. West wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Partly Cloudy | 5 mph W | 0% |
| Wednesday | 71°F | Sunny | 5 to 10 mph WNW | 0% |
| Wednesday Night | 47°F | Mostly Clear | 0 mph | 0% |
| Thursday | 74°F | Sunny | 0 mph | 0% |
| Thursday Night | 50°F | Mostly Clear | 0 to 5 mph N | 0% |
| Friday | 70°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 45°F | Partly Cloudy | 5 to 10 mph NNE | 1% |
| Saturday | 62°F | Mostly Sunny | 5 to 10 mph NNE | 0% |
| Saturday Night | 39°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 64°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Sunday Night | 39°F | Mostly Clear | 0 to 5 mph N | 0% |
| Monday | 67°F | Sunny | 0 to 5 mph WNW | 2% |
| Monday Night | 40°F | Mostly Clear | 0 to 5 mph SW | 1% |
| Tuesday | 71°F | Sunny | 0 to 5 mph WSW | 2% |
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 Nov 4, 2026.