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Jewell Junction, IA Weather & Growing Conditions

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

This Afternoon
75°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then a slight chance of showers and thunderstorms. Mostly cloudy. High near 75, with temperatures falling to around 72 in the afternoon. Northwest wind 3 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Jewell Junction

WhenTempForecastWindPrecip
This Afternoon 75°F Chance Showers And Thunderstorms 3 to 8 mph NW 29%
Tonight 60°F Slight Chance Showers And Thunderstorms 10 mph N 24%
Sunday 66°F Chance Drizzle 12 to 15 mph NE 37%
Sunday Night 54°F Chance Drizzle then Chance Rain Showers 13 mph ENE 54%
Monday 61°F Chance Rain Showers 13 mph ENE 54%
Monday Night 49°F Chance Rain Showers 6 to 10 mph ENE 51%
Tuesday 61°F Partly Sunny 8 mph ENE 11%
Tuesday Night 45°F Partly Cloudy 2 to 6 mph E 1%
Wednesday 65°F Sunny 5 mph E 1%
Wednesday Night 50°F Partly Cloudy 3 mph ESE 6%
Thursday 66°F Slight Chance Rain Showers 5 mph ESE 16%
Thursday Night 53°F Mostly Cloudy 2 mph ESE 9%
Friday 69°F Partly Sunny 2 to 6 mph ESE 8%
Friday Night 55°F Mostly Cloudy 3 mph SE 10%

Forecast source: National Weather Service (api.weather.gov) for Jewell Junction (42.312, -93.639). Updated through the day.

Growing snapshot for Jewell Junction

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

More local growing data for Jewell Junction: nearby ZIP 50130 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Webster City, Ia (13.2 mi from Jewell Junction). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.