Holy Cross, IA Weather & Growing Conditions
Overnight
62°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 4am, then patchy fog and occasional showers and thunderstorms. Cloudy. Low around 62, with temperatures rising to around 65 overnight. Southeast wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Showers And Thunderstorms Likely | 10 to 15 mph SE | 92% |
| Saturday | 76°F | Patchy Fog | 5 to 10 mph S | 86% |
| Saturday Night | 60°F | Showers And Thunderstorms | 5 to 10 mph NW | 85% |
| Sunday | 67°F | Chance Rain Showers | 10 to 15 mph NE | 38% |
| Sunday Night | 55°F | Chance Rain Showers | 15 mph NE | 31% |
| Monday | 63°F | Chance Rain Showers | 15 mph NE | 31% |
| Monday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 28% |
| Tuesday | 62°F | Chance Rain Showers then Partly Sunny | 10 to 15 mph NE | 28% |
| Tuesday Night | 46°F | Mostly Clear | 5 to 10 mph NE | 4% |
| Wednesday | 65°F | Sunny | 5 to 10 mph NE | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 5 mph NE | 2% |
| Thursday | 66°F | Mostly Sunny | 5 mph NE | 7% |
| Thursday Night | 53°F | Partly Cloudy | 0 to 5 mph E | 5% |
| Friday | 69°F | Mostly Sunny | 5 mph E | 5% |
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 Sep 19, 2026.