Junction City, AR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Junction City, a city in Union County, Arkansas.
Overnight
69°F
Mostly Clear
Mostly clear, with a low around 69. East wind around 0 mph.
7-day forecast for Junction City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 69°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 97°F | Sunny | 0 mph | 6% |
| Tuesday Night | 73°F | Mostly Clear | 0 to 5 mph SE | 5% |
| Wednesday | 97°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 29% |
| Wednesday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 29% |
| Thursday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 18% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 18% |
| Friday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 23% |
| Friday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 23% |
| Saturday | 95°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 26% |
| Saturday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 26% |
| Sunday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 15% |
| Sunday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 15% |
| Monday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 15% |
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 Aug 4, 2026.