Harman US

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

WhenTempForecastWindPrecip
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.