Humboldt, IA Weather & Growing Conditions
This Afternoon
59°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 59, with temperatures falling to around 55 in the afternoon. North northwest wind around 13 mph, with gusts as high as 21 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 | 59°F | Rain Showers Likely | 13 mph NNW | 55% |
| Tonight | 43°F | Rain Showers | 13 mph NW | 89% |
| Wednesday | 49°F | Rain Showers Likely | 14 to 17 mph WNW | 64% |
| Wednesday Night | 41°F | Rain Showers Likely | 13 mph WNW | 74% |
| Thursday | 50°F | Rain Showers Likely | 10 to 14 mph NNW | 60% |
| Thursday Night | 36°F | Mostly Cloudy | 5 to 9 mph N | 14% |
| Friday | 49°F | Mostly Sunny | 1 to 5 mph N | 1% |
| Friday Night | 31°F | Partly Cloudy | 1 mph SE | 1% |
| Saturday | 55°F | Mostly Sunny | 1 to 5 mph SW | 3% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph W | 4% |
| Sunday | 60°F | Sunny | 6 mph W | 5% |
| Sunday Night | 38°F | Mostly Clear | 6 mph SW | 2% |
| Monday | 63°F | Sunny | 6 to 10 mph WSW | 0% |
| Monday Night | 39°F | Mostly Clear | 6 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Humboldt, IA
Last spring frost
Apr 27
First fall frost
Oct 9
Growing season
166 days
Hardiness zone
5a
Explore more for Humboldt, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Humboldt Wtp, Ia (0.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.