Center Junction, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Center Junction, a community in Jones County, Iowa.
Overnight
65°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4am, then patchy fog and showers and thunderstorms likely. Cloudy, with a low around 65. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Center Junction
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 66% |
| Saturday | 79°F | Patchy Fog | 5 to 10 mph S | 93% |
| Saturday Night | 61°F | Showers And Thunderstorms Likely | 5 to 10 mph NW | 71% |
| Sunday | 67°F | Chance Rain Showers | 10 to 15 mph NE | 54% |
| Sunday Night | 55°F | Chance Rain Showers | 10 mph NE | 38% |
| Monday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 47% |
| Monday Night | 50°F | Chance Rain Showers | 10 mph NE | 42% |
| Tuesday | 62°F | Chance Rain Showers then Partly Sunny | 10 mph NE | 38% |
| Tuesday Night | 46°F | Partly Cloudy | 5 mph NE | 5% |
| Wednesday | 66°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 67°F | Mostly Sunny | 0 to 5 mph NE | 7% |
| Thursday Night | 52°F | Partly Cloudy | 0 mph | 5% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph E | 5% |
Forecast source: National Weather Service (api.weather.gov) for Center Junction (42.114, -91.090). Updated through the day.
Growing snapshot for Center Junction
Last spring frost
May 1
First fall frost
Oct 4
Growing season
154 days
Hardiness zone
5a
More local growing data for Center Junction: nearby ZIP 52212 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Anamosa 1 Wnw, Ia (10.4 mi from Center Junction). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.