Colesburg, IA Weather & Growing Conditions
This Afternoon
67°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 67, with temperatures falling to around 65 in the afternoon. South wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Showers And Thunderstorms | 15 mph S | 76% |
| Tonight | 52°F | Showers And Thunderstorms | 13 mph S | 88% |
| Wednesday | 53°F | Rain Showers Likely | 14 to 17 mph S | 55% |
| Wednesday Night | 45°F | Chance Rain Showers | 16 mph SW | 49% |
| Thursday | 50°F | Rain Showers Likely | 14 mph W | 74% |
| Thursday Night | 40°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph N | 18% |
| Friday | 48°F | Partly Sunny | 5 to 12 mph N | 6% |
| Friday Night | 32°F | Partly Cloudy | 3 mph NW | 2% |
| Saturday | 52°F | Mostly Sunny | 2 to 6 mph W | 2% |
| Saturday Night | 36°F | Mostly Clear | 3 to 7 mph W | 4% |
| Sunday | 57°F | Sunny | 7 to 10 mph W | 12% |
| Sunday Night | 37°F | Mostly Clear | 7 mph SW | 2% |
| Monday | 59°F | Sunny | 7 to 13 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 6 to 9 mph W | 1% |
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 Nov 4, 2026.