Colfax, IA Weather & Growing Conditions
Tonight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southeast wind 7 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Chance Showers And Thunderstorms | 7 to 10 mph SE | 52% |
| Saturday | 82°F | Chance Showers And Thunderstorms | 8 mph SW | 46% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 8 mph N | 42% |
| Sunday | 68°F | Showers And Thunderstorms Likely | 8 to 13 mph NNE | 59% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 13 mph NE | 59% |
| Monday | 62°F | Rain Showers Likely | 13 mph ENE | 62% |
| Monday Night | 53°F | Rain Showers Likely | 7 to 10 mph NE | 62% |
| Tuesday | 61°F | Slight Chance Rain Showers then Mostly Cloudy | 9 mph NE | 18% |
| Tuesday Night | 49°F | Partly Cloudy | 2 to 7 mph NE | 3% |
| Wednesday | 65°F | Mostly Sunny | 5 mph ENE | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 3 mph E | 4% |
| Thursday | 68°F | Partly Sunny | 3 mph ESE | 12% |
| Thursday Night | 55°F | Mostly Cloudy | 2 mph ESE | 8% |
| Friday | 68°F | Slight Chance Rain Showers | 5 mph E | 15% |
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 Sep 19, 2026.