Martelle, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Martelle, a city in Jones County, Iowa.
Tonight
50°F
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy. Low around 50, with temperatures rising to around 52 overnight. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
7-day forecast for Martelle
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Slight Chance Rain Showers | 10 mph S | 24% |
| Wednesday | 53°F | Chance Rain Showers | 15 mph SW | 42% |
| Wednesday Night | 44°F | Chance Rain Showers | 10 to 15 mph SW | 26% |
| Thursday | 52°F | Rain Showers Likely | 5 to 10 mph W | 63% |
| Thursday Night | 41°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph N | 21% |
| Friday | 51°F | Partly Sunny | 5 to 10 mph N | 5% |
| Friday Night | 33°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 35°F | Mostly Clear | 0 to 5 mph W | 5% |
| Sunday | 58°F | Sunny | 5 mph W | 9% |
| Sunday Night | 37°F | Mostly Clear | 5 mph W | 2% |
| Monday | 62°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 61°F | Sunny | 5 mph NW | 0% |
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 Nov 4, 2026.