Harman US

Pacific Junction, IA Weather & Growing Conditions

Tonight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 11pm. Mostly cloudy. Low around 69, with temperatures rising to around 71 overnight. Southeast wind 5 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 69°F Chance Showers And Thunderstorms 5 to 10 mph SE 43%
Saturday 80°F Chance Showers And Thunderstorms 7 mph N 37%
Saturday Night 64°F Chance Showers And Thunderstorms 8 mph N 41%
Sunday 67°F Chance Rain Showers 9 mph NNE 39%
Sunday Night 58°F Chance Rain Showers 8 mph NE 44%
Monday 62°F Chance Rain Showers 9 mph NE 52%
Monday Night 55°F Chance Rain Showers then Mostly Cloudy 5 to 8 mph NE 52%
Tuesday 62°F Mostly Cloudy 7 mph NE 8%
Tuesday Night 51°F Mostly Cloudy 2 to 6 mph E 3%
Wednesday 65°F Mostly Sunny 5 mph ESE 5%
Wednesday Night 55°F Mostly Cloudy 3 mph SE 13%
Thursday 66°F Chance Rain Showers 5 mph SE 32%
Thursday Night 58°F Slight Chance Rain Showers 3 mph SE 20%
Friday 68°F Slight Chance Rain Showers 2 to 6 mph SE 20%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Pacific Junction, IA

Last spring frost
Apr 23
First fall frost
Oct 11
Growing season
170 days
Hardiness zone
5b

Explore more for Pacific Junction, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, Glenwood 3Sw, Ia (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.