Charles City, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Charles City, a city in Floyd County, Iowa.
Overnight
47°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. Low around 47, with temperatures rising to around 50 overnight. West wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Charles City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Chance Rain Showers | 10 mph W | 26% |
| Wednesday | 52°F | Rain Showers Likely | 12 to 16 mph W | 69% |
| Wednesday Night | 42°F | Rain Showers Likely | 12 to 15 mph W | 73% |
| Thursday | 51°F | Chance Rain Showers | 15 mph NW | 35% |
| Thursday Night | 35°F | Mostly Cloudy | 6 to 12 mph N | 4% |
| Friday | 47°F | Mostly Sunny | 3 to 8 mph N | 1% |
| Friday Night | 27°F | Partly Cloudy | 2 mph N | 0% |
| Saturday | 50°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 55°F | Sunny | 7 mph W | 2% |
| Sunday Night | 35°F | Clear | 5 mph SW | 0% |
| Monday | 61°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 38°F | Mostly Clear | 6 mph W | 0% |
| Tuesday | 59°F | Mostly Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Charles City (43.065, -92.674). Updated through the day.
Growing snapshot for Charles City
Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
157 days
Hardiness zone
5a
More local growing data for Charles City: nearby ZIP 50616 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Charles City, Ia (1.5 mi from Charles City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.