Colo, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Colo, a city in Story County, Iowa.
Overnight
65°F
Mostly Cloudy
Mostly cloudy, with a low around 65. South wind around 6 mph.
7-day forecast for Colo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Cloudy | 6 mph S | 6% |
| Tuesday | 81°F | Chance Showers And Thunderstorms | 5 to 9 mph WNW | 33% |
| Tuesday Night | 61°F | Showers And Thunderstorms | 5 to 9 mph NNE | 91% |
| Wednesday | 73°F | Chance Showers And Thunderstorms | 5 mph NE | 53% |
| Wednesday Night | 55°F | Slight Chance Rain Showers | 3 mph NE | 23% |
| Thursday | 80°F | Sunny | 3 mph E | 2% |
| Thursday Night | 61°F | Mostly Clear | 3 mph SE | 1% |
| Friday | 84°F | Sunny | 2 to 8 mph SSE | 8% |
| Friday Night | 66°F | Mostly Clear | 6 mph SSE | 14% |
| Saturday | 87°F | Sunny | 3 to 9 mph S | 14% |
| Saturday Night | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 10 mph S | 16% |
| Sunday | 88°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SSE | 16% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 9 mph SSE | 33% |
| Monday | 87°F | Chance Showers And Thunderstorms | 8 to 12 mph S | 33% |
Forecast source: National Weather Service (api.weather.gov) for Colo (42.015, -93.319). Updated through the day.
Growing snapshot for Colo
Last spring frost
Apr 24
First fall frost
Oct 12
Growing season
170 days
Hardiness zone
5a
More local growing data for Colo: nearby ZIP 50056 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Colo, Ia (1.2 mi from Colo). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.