Farnhamville, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Farnhamville, a city in Calhoun County, Iowa.
This Afternoon
60°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 60, with temperatures falling to around 55 in the afternoon. North wind around 12 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 for Farnhamville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Rain Showers Likely | 12 mph N | 60% |
| Tonight | 43°F | Showers And Thunderstorms | 12 mph NW | 88% |
| Wednesday | 50°F | Chance Rain Showers | 14 mph W | 35% |
| Wednesday Night | 41°F | Chance Rain Showers | 10 mph WNW | 54% |
| Thursday | 51°F | Rain Showers Likely | 10 mph NW | 60% |
| Thursday Night | 37°F | Mostly Cloudy | 3 to 7 mph N | 11% |
| Friday | 51°F | Partly Sunny | 3 mph N | 3% |
| Friday Night | 32°F | Mostly Cloudy | 1 mph WNW | 0% |
| Saturday | 57°F | Mostly Sunny | 2 mph SW | 2% |
| Saturday Night | 37°F | Mostly Clear | 2 mph W | 4% |
| Sunday | 61°F | Sunny | 3 mph W | 5% |
| Sunday Night | 39°F | Mostly Clear | 5 mph SW | 1% |
| Monday | 64°F | Sunny | 5 to 8 mph WSW | 0% |
| Monday Night | 40°F | Mostly Clear | 3 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Farnhamville (42.276, -94.408). Updated through the day.
Growing snapshot for Farnhamville
Last spring frost
Apr 26
First fall frost
Oct 10
Growing season
167 days
Hardiness zone
5a
More local growing data for Farnhamville: nearby ZIP 50538 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rockwell City, Ia (12.8 mi from Farnhamville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.