Harman US

Jewell Junction, IA Weather & Growing Conditions

Overnight
45°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 45, with temperatures rising to around 47 overnight. West northwest wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 45°F Chance Rain Showers 14 mph WNW 46%
Wednesday 51°F Chance Rain Showers 13 to 16 mph W 32%
Wednesday Night 41°F Chance Rain Showers 13 mph W 39%
Thursday 51°F Rain Showers Likely 13 mph NW 62%
Thursday Night 38°F Slight Chance Rain Showers then Mostly Cloudy 6 to 9 mph N 19%
Friday 51°F Partly Sunny 2 to 7 mph N 1%
Friday Night 32°F Partly Cloudy 1 mph NNE 0%
Saturday 56°F Mostly Sunny 0 to 5 mph WSW 1%
Saturday Night 36°F Partly Cloudy 3 mph W 3%
Sunday 60°F Sunny 6 mph W 6%
Sunday Night 38°F Mostly Clear 5 mph SW 2%
Monday 64°F Sunny 5 to 10 mph SW 0%
Monday Night 40°F Mostly Clear 5 mph WNW 0%
Tuesday 62°F Mostly Sunny 6 mph WNW 1%

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

Growing snapshot for Jewell Junction, IA

Last spring frost
May 3
First fall frost
Oct 2
Growing season
150 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Webster City, Ia (13.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.