Holy Cross, IA Weather & Growing Conditions
Today
81°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Partly sunny. High near 81, with temperatures falling to around 78 in the afternoon. West 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 | 81°F | Partly Sunny then Chance Showers And Thunderstorms | 10 mph W | 41% |
| Tonight | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph NW | 74% |
| Wednesday | 73°F | Chance Showers And Thunderstorms | 5 mph N | 53% |
| Wednesday Night | 58°F | Chance Rain Showers | 5 mph NW | 27% |
| Thursday | 78°F | Sunny | 0 to 5 mph NE | 13% |
| Thursday Night | 60°F | Mostly Clear | 0 mph | 1% |
| Friday | 81°F | Sunny | 0 to 10 mph S | 3% |
| Friday Night | 65°F | Mostly Clear | 5 to 10 mph S | 8% |
| Saturday | 84°F | Mostly Sunny | 10 mph SW | 9% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 10 mph S | 29% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 10 to 15 mph S | 29% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 42% |
| Monday | 84°F | Chance Showers And Thunderstorms | 10 mph S | 42% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 38% |
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 Aug 4, 2026.