Elma, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Elma, a city in Howard County, Iowa.
This Afternoon
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms. Cloudy. High near 69, with temperatures falling to around 66 in the afternoon. East wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Elma
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Chance Showers And Thunderstorms | 5 to 8 mph E | 45% |
| Tonight | 56°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 43% |
| Sunday | 67°F | Mostly Cloudy | 13 to 16 mph NE | 13% |
| Sunday Night | 50°F | Cloudy then Chance Rain Showers | 10 to 14 mph NE | 29% |
| Monday | 61°F | Chance Rain Showers | 10 to 14 mph NE | 29% |
| Monday Night | 45°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph NE | 19% |
| Tuesday | 60°F | Mostly Sunny | 9 mph NE | 9% |
| Tuesday Night | 42°F | Partly Cloudy | 6 mph E | 2% |
| Wednesday | 64°F | Sunny | 7 mph E | 1% |
| Wednesday Night | 47°F | Mostly Clear | 5 mph E | 4% |
| Thursday | 65°F | Slight Chance Rain Showers | 6 mph E | 15% |
| Thursday Night | 50°F | Partly Cloudy | 3 mph E | 4% |
| Friday | 68°F | Mostly Sunny | 6 mph SE | 4% |
| Friday Night | 51°F | Partly Cloudy | 5 mph SE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Elma (43.246, -92.439). Updated through the day.
Growing snapshot for Elma
Last spring frost
May 2
First fall frost
Oct 5
Growing season
155 days
Hardiness zone
4b
More local growing data for Elma: nearby ZIP 50628 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, New Hampton, Ia (16.2 mi from Elma). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.