Colfax, IA Weather & Growing Conditions
This Afternoon
70°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 70, with temperatures falling to around 64 in the afternoon. West wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Showers And Thunderstorms Likely | 7 mph W | 64% |
| Tonight | 48°F | Rain Showers Likely | 7 to 12 mph WNW | 63% |
| Wednesday | 53°F | Chance Rain Showers | 13 to 16 mph W | 26% |
| Wednesday Night | 44°F | Mostly Cloudy then Slight Chance Rain Showers | 13 mph W | 22% |
| Thursday | 53°F | Rain Showers Likely | 12 mph WNW | 56% |
| Thursday Night | 41°F | Mostly Cloudy | 9 mph NNW | 9% |
| Friday | 53°F | Partly Sunny | 5 to 8 mph N | 1% |
| Friday Night | 34°F | Partly Cloudy | 0 to 3 mph NNE | 0% |
| Saturday | 57°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 37°F | Mostly Clear | 3 mph W | 4% |
| Sunday | 62°F | Sunny | 3 to 7 mph WNW | 5% |
| Sunday Night | 39°F | Mostly Clear | 5 mph SW | 1% |
| Monday | 66°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 6 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Colfax, IA
Last spring frost
Apr 21
First fall frost
Oct 15
Growing season
174 days
Hardiness zone
5b
Explore more for Colfax, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Des Moines 17 E, Ia (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.