Colesburg, IA Weather & Growing Conditions
Tonight
64°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 64. East wind 13 to 16 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Chance Showers And Thunderstorms | 13 to 16 mph E | 85% |
| Saturday | 77°F | Showers And Thunderstorms Likely | 8 to 13 mph S | 74% |
| Saturday Night | 60°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 8 to 13 mph N | 73% |
| Sunday | 66°F | Chance Rain Showers | 16 mph NE | 50% |
| Sunday Night | 54°F | Slight Chance Rain Showers | 15 mph NE | 15% |
| Monday | 62°F | Chance Rain Showers | 16 mph NE | 44% |
| Monday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 44% |
| Tuesday | 61°F | Chance Rain Showers | 9 to 13 mph NE | 36% |
| Tuesday Night | 46°F | Partly Cloudy | 5 to 9 mph NE | 6% |
| Wednesday | 65°F | Mostly Sunny | 8 mph NE | 2% |
| Wednesday Night | 50°F | Partly Cloudy | 2 to 6 mph E | 3% |
| Thursday | 67°F | Mostly Sunny | 6 mph NE | 6% |
| Thursday Night | 53°F | Partly Cloudy | 3 mph E | 6% |
| Friday | 68°F | Mostly Sunny | 2 to 6 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Colesburg, IA
Last spring frost
Apr 21
First fall frost
Oct 18
Growing season
178 days
Hardiness zone
5a
Explore more for Colesburg, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Guttenberg L&D 10, Ia (9.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.