Holy Cross, IA Weather & Growing Conditions
Tonight
52°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. Low around 52, with temperatures rising to around 56 overnight. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Showers And Thunderstorms | 10 to 15 mph S | 91% |
| Wednesday | 54°F | Rain Showers Likely | 10 to 15 mph SW | 58% |
| Wednesday Night | 46°F | Chance Rain Showers | 15 mph SW | 37% |
| Thursday | 51°F | Rain Showers Likely | 10 to 15 mph W | 73% |
| Thursday Night | 41°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph N | 20% |
| Friday | 49°F | Partly Sunny | 5 to 10 mph N | 10% |
| Friday Night | 33°F | Partly Cloudy | 0 to 5 mph NW | 2% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph W | 3% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 14% |
| Sunday Night | 37°F | Mostly Clear | 5 mph W | 3% |
| Monday | 60°F | Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 41°F | Mostly Clear | 5 to 10 mph W | 1% |
| Tuesday | 60°F | Sunny | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Holy Cross, IA
Last spring frost
Apr 21
First fall frost
Oct 18
Growing season
178 days
Hardiness zone
5a
Explore more for Holy Cross, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Guttenberg L&D 10, Ia (14.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.