Colfax, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Colfax, a city in Jasper County, Iowa.
Today
84°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after noon. Partly sunny. High near 84, with temperatures falling to around 82 in the afternoon. West wind 3 to 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Colfax
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 9 mph W | 27% |
| Tonight | 63°F | Showers And Thunderstorms | 6 to 10 mph NNE | 91% |
| Wednesday | 74°F | Showers And Thunderstorms Likely | 7 mph NNE | 74% |
| Wednesday Night | 57°F | Chance Rain Showers | 1 to 5 mph NE | 39% |
| Thursday | 81°F | Sunny | 3 mph ENE | 3% |
| Thursday Night | 61°F | Mostly Clear | 3 mph SE | 2% |
| Friday | 86°F | Sunny | 2 to 7 mph S | 6% |
| Friday Night | 66°F | Mostly Clear | 6 mph SSE | 14% |
| Saturday | 89°F | Sunny | 2 to 9 mph S | 11% |
| Saturday Night | 72°F | Mostly Clear | 10 mph SSW | 13% |
| Sunday | 90°F | Mostly Sunny | 7 to 10 mph S | 13% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms | 9 mph S | 31% |
| Monday | 90°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 12 mph S | 31% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 12 mph ESE | 27% |
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 Aug 4, 2026.