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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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.