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