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Jackson Junction, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Jackson Junction, a city in Fayette County, Iowa.

This Afternoon
66°F
Showers And Thunderstorms Likely
Rain showers before 3pm, then showers and thunderstorms likely. Cloudy. High near 66, with temperatures falling to around 64 in the afternoon. South wind 8 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Jackson Junction

WhenTempForecastWindPrecip
This Afternoon 66°F Showers And Thunderstorms Likely 8 to 15 mph S 79%
Tonight 50°F Showers And Thunderstorms 7 to 12 mph SE 87%
Wednesday 53°F Rain Showers Likely 10 to 16 mph SW 74%
Wednesday Night 44°F Rain Showers 15 mph W 83%
Thursday 50°F Rain Showers 13 mph NW 75%
Thursday Night 38°F Mostly Cloudy 9 to 13 mph N 11%
Friday 47°F Partly Sunny 3 to 10 mph N 1%
Friday Night 31°F Partly Cloudy 2 mph NW 0%
Saturday 51°F Mostly Sunny 1 to 5 mph SW 2%
Saturday Night 35°F Partly Cloudy 2 to 6 mph W 5%
Sunday 57°F Sunny 5 to 8 mph W 10%
Sunday Night 37°F Mostly Clear 6 mph SW 2%
Monday 59°F Mostly Sunny 6 to 13 mph SW 0%
Monday Night 40°F Mostly Clear 7 mph W 1%

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

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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 Nov 3, 2026.