La Porte City, IA Weather & Growing Conditions
This Afternoon
51°F
Slight Chance Rain Showers
A slight chance of rain showers after 5pm. Cloudy. High near 51, with temperatures falling to around 49 in the afternoon. West southwest wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 51°F | Slight Chance Rain Showers | 16 mph WSW | 15% |
| Tonight | 43°F | Chance Rain Showers | 14 mph WSW | 32% |
| Thursday | 51°F | Chance Rain Showers | 12 to 15 mph NW | 31% |
| Thursday Night | 35°F | Mostly Cloudy | 8 to 12 mph N | 4% |
| Friday | 47°F | Mostly Sunny | 6 to 9 mph N | 0% |
| Friday Night | 27°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 6 mph W | 0% |
| Saturday Night | 33°F | Mostly Clear | 5 mph WSW | 0% |
| Sunday | 58°F | Sunny | 6 mph W | 0% |
| Sunday Night | 35°F | Clear | 5 mph SW | 0% |
| Monday | 64°F | Sunny | 5 to 12 mph SSW | 0% |
| Monday Night | 39°F | Clear | 3 to 7 mph W | 0% |
| Tuesday | 61°F | Sunny | 5 mph NW | 1% |
| Tuesday Night | 38°F | Partly Cloudy | 3 mph NNW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for La Porte City, IA
Last spring frost
May 3
First fall frost
Oct 3
Growing season
151 days
Hardiness zone
5a
Explore more for La Porte City, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Vinton, Ia (14.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.