Colesburg, IA Weather & Growing Conditions
Today
80°F
Chance Showers And Thunderstorms
A slight chance of rain showers between 10am and 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers and thunderstorms likely. Partly sunny. High near 80, with temperatures falling to around 76 in the afternoon. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Chance Showers And Thunderstorms | 7 to 10 mph SW | 58% |
| Tonight | 62°F | Showers And Thunderstorms | 7 mph N | 90% |
| Wednesday | 74°F | Chance Showers And Thunderstorms | 6 mph N | 43% |
| Wednesday Night | 57°F | Slight Chance Rain Showers | 5 mph NW | 15% |
| Thursday | 79°F | Sunny | 3 mph NE | 9% |
| Thursday Night | 60°F | Mostly Clear | 3 mph S | 0% |
| Friday | 82°F | Sunny | 2 to 9 mph S | 4% |
| Friday Night | 64°F | Mostly Clear | 8 mph S | 9% |
| Saturday | 84°F | Mostly Sunny | 9 mph SW | 11% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 8 to 12 mph S | 30% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 13 mph S | 30% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 7 to 10 mph S | 41% |
| Monday | 84°F | Chance Showers And Thunderstorms | 10 mph S | 41% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 12 mph NE | 37% |
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 Aug 4, 2026.