Colfax, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Colfax, a city in Jasper County, Iowa.
Today
81°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a slight chance of showers and thunderstorms. Mostly cloudy. High near 81, with temperatures falling to around 79 in the afternoon. West southwest wind 2 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Colfax
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Chance Showers And Thunderstorms | 2 to 9 mph WSW | 52% |
| Tonight | 63°F | Chance Showers And Thunderstorms | 8 mph N | 42% |
| Sunday | 67°F | Chance Rain Showers | 9 to 13 mph NNE | 46% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 13 mph NE | 55% |
| Monday | 63°F | Rain Showers Likely | 13 mph NE | 55% |
| Monday Night | 52°F | Chance Rain Showers | 7 to 10 mph NE | 54% |
| Tuesday | 61°F | Slight Chance Rain Showers then Partly Sunny | 9 mph ENE | 15% |
| Tuesday Night | 47°F | Partly Cloudy | 3 to 7 mph ENE | 3% |
| Wednesday | 66°F | Sunny | 5 mph ENE | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 3 mph E | 4% |
| Thursday | 67°F | Slight Chance Rain Showers | 5 mph ESE | 19% |
| Thursday Night | 56°F | Mostly Cloudy | 3 mph E | 9% |
| Friday | 69°F | Partly Sunny | 2 to 6 mph E | 9% |
| Friday Night | 57°F | Mostly Cloudy | 5 mph ESE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Colfax (41.680, -93.236). Updated through the day.
Growing snapshot for Colfax
Last spring frost
Apr 21
First fall frost
Oct 15
Growing season
174 days
Hardiness zone
5b
More local growing data for Colfax: nearby ZIP 50054 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Baxter
Kellogg
Lambs Grove
Lynnville
Mingo
Monroe
Newton
Oakland Acres
Prairie City
Reasnor
Sully
Valeria
Climate data from the nearest NOAA station, Des Moines 17 E, Ia (9.5 mi from Colfax). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.