Larchwood, IA Weather & Growing Conditions
Overnight
61°F
Areas Of Fog
Areas of fog. Cloudy, with a low around 61. North northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Areas Of Fog | 5 mph NNE | 13% |
| Saturday | 66°F | Patchy Fog then Mostly Cloudy | 5 to 10 mph N | 21% |
| Saturday Night | 55°F | Cloudy | 10 mph NNE | 6% |
| Sunday | 66°F | Mostly Cloudy | 10 to 15 mph NE | 13% |
| Sunday Night | 52°F | Chance Rain Showers | 10 mph ENE | 46% |
| Monday | 61°F | Chance Rain Showers | 10 mph ENE | 50% |
| Monday Night | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph E | 22% |
| Tuesday | 62°F | Partly Sunny | 5 to 10 mph E | 5% |
| Tuesday Night | 48°F | Partly Cloudy | 5 mph SE | 0% |
| Wednesday | 67°F | Mostly Sunny | 5 to 10 mph SSE | 9% |
| Wednesday Night | 52°F | Chance Rain Showers | 5 mph SSE | 36% |
| Thursday | 67°F | Chance Rain Showers | 5 to 10 mph SSE | 36% |
| Thursday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph SE | 16% |
| Friday | 69°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph SE | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Larchwood, IA
Last spring frost
May 2
First fall frost
Oct 2
Growing season
151 days
Hardiness zone
5a
Explore more for Larchwood, IA: full frost dates · planting calendar · Iowa frost dates
Climate data from the nearest NOAA station, Canton, Sd (11.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.