Delmar, IA Weather & Growing Conditions
Today
54°F
Chance Rain Showers
A chance of rain showers before 4pm. Cloudy, with a high near 54. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 54°F | Chance Rain Showers | 10 mph SW | 37% |
| Tonight | 46°F | Slight Chance Rain Showers | 10 mph SW | 23% |
| Thursday | 54°F | Chance Rain Showers | 5 to 10 mph W | 54% |
| Thursday Night | 41°F | Mostly Cloudy | 5 mph N | 12% |
| Friday | 50°F | Partly Sunny | 5 mph N | 3% |
| Friday Night | 31°F | Mostly Clear | 0 to 5 mph N | 1% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 1% |
| Saturday Night | 34°F | Mostly Clear | 0 to 5 mph W | 2% |
| Sunday | 56°F | Sunny | 5 mph W | 3% |
| Sunday Night | 35°F | Clear | 0 to 5 mph W | 0% |
| Monday | 62°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 0 to 5 mph W | 0% |
| Tuesday | 62°F | Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 40°F | Partly Cloudy | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Delmar, IA
Last spring frost
Apr 25
First fall frost
Oct 14
Growing season
171 days
Hardiness zone
5a
Explore more for Delmar, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Maquoketa, Ia (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.