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Martelle, IA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Martelle, a city in Jones County, Iowa.

Overnight
63°F
Patchy Fog
Patchy fog and showers and thunderstorms likely. Cloudy, with a low around 63. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Martelle

WhenTempForecastWindPrecip
Overnight 63°F Patchy Fog 5 mph E 67%
Saturday 80°F Patchy Fog then Chance Showers And Thunderstorms 5 to 10 mph S 98%
Saturday Night 61°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 5 to 10 mph NW 72%
Sunday 68°F Rain Showers Likely 10 to 15 mph NE 55%
Sunday Night 56°F Chance Rain Showers 10 to 15 mph NE 44%
Monday 63°F Chance Rain Showers 15 mph NE 51%
Monday Night 50°F Chance Rain Showers 10 mph NE 42%
Tuesday 62°F Chance Rain Showers then Partly Sunny 10 mph NE 32%
Tuesday Night 47°F Mostly Clear 5 to 10 mph NE 5%
Wednesday 66°F Sunny 5 mph NE 1%
Wednesday Night 50°F Partly Cloudy 0 to 5 mph NE 1%
Thursday 67°F Mostly Sunny 5 mph NE 6%
Thursday Night 53°F Partly Cloudy 0 to 5 mph E 5%
Friday 69°F Mostly Sunny 5 mph E 5%

Forecast source: National Weather Service (api.weather.gov) for Martelle (42.020, -91.358). Updated through the day.

Growing snapshot for Martelle

Last spring frost
Apr 27
First fall frost
Oct 13
Growing season
170 days
Hardiness zone
5a

More local growing data for Martelle: nearby ZIP 52305 weather · frost dates · planting calendar · Iowa frost dates

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Climate data from the nearest NOAA station, Anamosa 3 Ssw, Ia (4.6 mi from Martelle). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.