Marne, IA Weather & Growing Conditions
Today
49°F
Cloudy
Cloudy. High near 49, with temperatures falling to around 47 in the afternoon. West wind 14 to 17 mph, with gusts as high as 23 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 49°F | Cloudy | 14 to 17 mph W | 8% |
| Tonight | 41°F | Cloudy then Chance Rain Showers | 9 to 13 mph WNW | 28% |
| Thursday | 51°F | Chance Rain Showers then Mostly Cloudy | 13 mph NW | 30% |
| Thursday Night | 37°F | Mostly Cloudy | 3 to 9 mph N | 1% |
| Friday | 50°F | Mostly Sunny | 1 to 5 mph NNE | 1% |
| Friday Night | 31°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Saturday Night | 35°F | Mostly Clear | 2 mph WSW | 0% |
| Sunday | 58°F | Sunny | 1 to 6 mph WSW | 0% |
| Sunday Night | 38°F | Clear | 5 mph SSW | 0% |
| Monday | 64°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 63°F | Mostly Sunny | 5 mph NNW | 0% |
| Tuesday Night | 43°F | Partly Cloudy | 2 mph ESE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marne, IA
Last spring frost
Apr 30
First fall frost
Oct 2
Growing season
153 days
Hardiness zone
5b
Explore more for Marne, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Atlantic 1 Ne, Ia (7.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.