Junction City, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Junction City, a city in Union County, Arkansas.
Tonight
48°F
Slight Chance Rain Showers then Partly Cloudy
A slight chance of rain showers before 9pm. Partly cloudy, with a low around 48. West wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast for Junction City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph W | 17% |
| Wednesday | 74°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 42°F | Partly Cloudy | 0 mph | 0% |
| Thursday | 78°F | Sunny | 0 mph | 0% |
| Thursday Night | 46°F | Partly Cloudy | 0 mph | 1% |
| Friday | 76°F | Mostly Sunny | 5 mph N | 0% |
| Friday Night | 38°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 70°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph N | 5% |
| Sunday | 69°F | Mostly Sunny | 0 to 5 mph N | 5% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph N | 0% |
| Monday | 72°F | Sunny | 0 to 5 mph NW | 0% |
| Monday Night | 35°F | Clear | 0 mph | 1% |
| Tuesday | 76°F | Sunny | 0 to 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Junction City (33.022, -92.724). Updated through the day.
Growing snapshot for Junction City
Last spring frost
Mar 24
First fall frost
Nov 7
Growing season
230 days
Hardiness zone
8b
More local growing data for Junction City: nearby ZIP 71256 weather · frost dates · planting calendar · Arkansas frost dates
Climate data from the nearest NOAA station, El Dorado S Ar Rgnl Ap, Ar (19.8 mi from Junction City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.