Calion, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calion, a city in Union County, Arkansas.
Overnight
45°F
Mostly Clear
Mostly clear, with a low around 45. West wind 0 to 5 mph.
7-day forecast for Calion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Mostly Clear | 0 to 5 mph W | 0% |
| Wednesday | 73°F | Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 40°F | Partly Cloudy | 0 mph | 0% |
| Thursday | 77°F | Sunny | 0 mph | 0% |
| Thursday Night | 43°F | Mostly Clear | 0 mph | 0% |
| Friday | 75°F | Sunny | 0 to 10 mph N | 0% |
| Friday Night | 39°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Saturday | 66°F | Mostly Sunny | 5 to 10 mph NE | 0% |
| Saturday Night | 35°F | Mostly Cloudy | 0 to 5 mph NE | 0% |
| Sunday | 67°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Sunday Night | 34°F | Mostly Clear | 0 mph | 1% |
| Monday | 70°F | Sunny | 0 to 5 mph N | 3% |
| Monday Night | 34°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 74°F | Sunny | 0 to 5 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for Calion (33.328, -92.540). Updated through the day.
Growing snapshot for Calion
Last spring frost
Mar 18
First fall frost
Nov 7
Growing season
235 days
Hardiness zone
8b
More local growing data for Calion: nearby ZIP 71724 weather · frost dates · planting calendar · Arkansas frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Calion L&D, Ar (3.6 mi from Calion). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.