Colfax, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Colfax, a city in Jasper County, Iowa.
This Afternoon
69°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. High near 69, with temperatures falling to around 64 in the afternoon. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Colfax
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Showers And Thunderstorms | 7 mph SW | 76% |
| Tonight | 48°F | Showers And Thunderstorms Likely | 7 to 12 mph NW | 64% |
| Wednesday | 54°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 | 8% |
| Friday | 53°F | Partly Sunny | 5 to 8 mph N | 1% |
| Friday Night | 34°F | Partly Cloudy | 0 to 3 mph N | 0% |
| Saturday | 57°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 37°F | Mostly Clear | 3 mph W | 4% |
| Sunday | 62°F | Sunny | 3 to 7 mph W | 5% |
| Sunday Night | 39°F | Mostly Clear | 5 mph SW | 1% |
| Monday | 66°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 6 mph WNW | 0% |
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 Nov 4, 2026.