Jackson Junction, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jackson Junction, a city in Fayette County, Iowa.
Today
71°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 71, with temperatures falling to around 69 in the afternoon. West wind 2 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Jackson Junction
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Showers And Thunderstorms Likely | 2 to 7 mph W | 73% |
| Tonight | 57°F | Chance Showers And Thunderstorms | 7 to 13 mph N | 54% |
| Sunday | 64°F | Slight Chance Rain Showers then Mostly Cloudy | 13 to 16 mph NE | 19% |
| Sunday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 13 mph NE | 24% |
| Monday | 61°F | Chance Rain Showers | 14 mph NE | 26% |
| Monday Night | 45°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 10 mph NE | 23% |
| Tuesday | 59°F | Mostly Sunny | 9 mph NE | 12% |
| Tuesday Night | 42°F | Mostly Clear | 5 mph NE | 2% |
| Wednesday | 63°F | Sunny | 6 mph E | 1% |
| Wednesday Night | 47°F | Mostly Clear | 3 mph E | 3% |
| Thursday | 65°F | Slight Chance Rain Showers | 5 mph E | 15% |
| Thursday Night | 50°F | Partly Cloudy | 2 mph E | 3% |
| Friday | 67°F | Mostly Sunny | 5 mph E | 5% |
| Friday Night | 51°F | Partly Cloudy | 3 mph SE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Jackson Junction (43.101, -92.046). Updated through the day.
Growing snapshot for Jackson Junction
Last spring frost
May 2
First fall frost
Oct 5
Growing season
155 days
Hardiness zone
5a
More local growing data for Jackson Junction: nearby ZIP 52171 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Arlington
Clermont
Elgin
Fayette
Hawkeye
Maynard
Oelwein
Randalia
St. Lucas
Stanley
Wadena
Waucoma
West Union
Westgate
Climate data from the nearest NOAA station, New Hampton, Ia (13.2 mi from Jackson Junction). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.