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
74°F
Chance Showers And Thunderstorms
Scattered rain showers between 11am and 3pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 74, with temperatures falling to around 71 in the afternoon. Northwest wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Jackson Junction
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Chance Showers And Thunderstorms | 9 mph NW | 59% |
| Tonight | 59°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 3 to 7 mph NW | 64% |
| Wednesday | 73°F | Slight Chance Rain Showers then Partly Sunny | 5 mph N | 15% |
| Wednesday Night | 54°F | Mostly Clear | 3 mph NW | 2% |
| Thursday | 77°F | Sunny | 3 mph SW | 0% |
| Thursday Night | 59°F | Mostly Clear | 5 mph S | 1% |
| Friday | 80°F | Sunny | 3 to 10 mph S | 6% |
| Friday Night | 63°F | Mostly Clear | 8 mph S | 10% |
| Saturday | 81°F | Mostly Sunny | 6 to 9 mph S | 9% |
| Saturday Night | 67°F | Chance Rain Showers | 10 mph S | 33% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 10 mph S | 33% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms | 8 mph S | 38% |
| Monday | 81°F | Chance Showers And Thunderstorms | 10 mph S | 38% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms | 9 mph NE | 37% |
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 Aug 4, 2026.