Henderson, IA Weather & Growing Conditions
Today
51°F
Mostly Cloudy
Mostly cloudy, with a high near 51. West wind 13 to 16 mph, with gusts as high as 23 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 51°F | Mostly Cloudy | 13 to 16 mph W | 9% |
| Tonight | 41°F | Mostly Cloudy | 12 mph WNW | 18% |
| Thursday | 52°F | Mostly Cloudy | 14 mph NNW | 18% |
| Thursday Night | 39°F | Mostly Cloudy | 6 to 12 mph N | 2% |
| Friday | 52°F | Mostly Sunny | 2 to 6 mph N | 3% |
| Friday Night | 32°F | Partly Cloudy | 2 mph E | 0% |
| Saturday | 54°F | Mostly Sunny | 2 to 6 mph SSW | 0% |
| Saturday Night | 36°F | Mostly Clear | 3 mph WSW | 0% |
| Sunday | 60°F | Sunny | 3 to 7 mph WSW | 0% |
| Sunday Night | 39°F | Clear | 6 mph SSW | 0% |
| Monday | 65°F | Sunny | 6 to 10 mph SW | 0% |
| Monday Night | 42°F | Mostly Clear | 6 mph WNW | 0% |
| Tuesday | 65°F | Mostly Sunny | 6 mph N | 0% |
| Tuesday Night | 45°F | Partly Cloudy | 5 mph ESE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Henderson, IA
Last spring frost
Apr 23
First fall frost
Oct 14
Growing season
174 days
Hardiness zone
5b
Explore more for Henderson, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Oakland, Ia (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.