Delhi, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delhi, a city in Delaware County, Iowa.
Overnight
64°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then showers and thunderstorms. Cloudy. Low around 64, with temperatures rising to around 66 overnight. Southeast wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Delhi
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Chance Showers And Thunderstorms | 10 mph SE | 83% |
| Saturday | 79°F | Showers And Thunderstorms | 5 to 10 mph S | 84% |
| Saturday Night | 60°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 72% |
| Sunday | 67°F | Chance Rain Showers | 10 to 15 mph NE | 53% |
| Sunday Night | 54°F | Chance Rain Showers | 10 to 15 mph NE | 27% |
| Monday | 63°F | Chance Rain Showers | 15 mph NE | 50% |
| Monday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 50% |
| Tuesday | 61°F | Chance Rain Showers | 10 to 15 mph NE | 39% |
| Tuesday Night | 46°F | Partly Cloudy | 5 to 10 mph NE | 6% |
| Wednesday | 65°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 67°F | Mostly Sunny | 0 to 5 mph NE | 7% |
| Thursday Night | 52°F | Partly Cloudy | 0 to 5 mph E | 6% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph NE | 4% |
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 Sep 19, 2026.