Delhi, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delhi, a city in Delaware County, Iowa.
Overnight
50°F
Slight Chance Rain Showers
A slight chance of rain showers after 5am. Mostly cloudy. Low around 50, with temperatures rising to around 53 overnight. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
7-day forecast for Delhi
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Slight Chance Rain Showers | 10 mph SW | 15% |
| Wednesday | 51°F | Chance Rain Showers | 15 mph SW | 40% |
| Wednesday Night | 44°F | Chance Rain Showers | 15 mph SW | 35% |
| Thursday | 52°F | Chance Rain Showers | 10 mph NW | 49% |
| Thursday Night | 37°F | Mostly Cloudy | 10 mph N | 10% |
| Friday | 47°F | Mostly Sunny | 5 to 10 mph N | 1% |
| Friday Night | 28°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 50°F | Sunny | 0 to 5 mph NW | 1% |
| Saturday Night | 33°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 3% |
| Sunday Night | 34°F | Clear | 5 mph W | 0% |
| Monday | 60°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 59°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Delhi (42.434, -91.326). Updated through the day.
Growing snapshot for Delhi
Last spring frost
May 3
First fall frost
Oct 4
Growing season
154 days
Hardiness zone
5a
More local growing data for Delhi: nearby ZIP 52223 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Manchester #2, Ia (7.7 mi from Delhi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.