Farnhamville, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Farnhamville, a city in Calhoun County, Iowa.
Today
77°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy. High near 77, with temperatures falling to around 73 in the afternoon. North northwest wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Farnhamville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Showers And Thunderstorms Likely | 5 to 9 mph NNW | 70% |
| Tonight | 59°F | Showers And Thunderstorms Likely | 3 to 7 mph N | 61% |
| Wednesday | 74°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph NE | 21% |
| Wednesday Night | 54°F | Mostly Clear | 1 mph ENE | 2% |
| Thursday | 81°F | Sunny | 0 to 3 mph SSE | 1% |
| Thursday Night | 60°F | Mostly Clear | 3 mph SSE | 2% |
| Friday | 85°F | Sunny | 2 to 7 mph S | 6% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 6 mph S | 17% |
| Saturday | 89°F | Mostly Sunny | 2 to 9 mph S | 10% |
| Saturday Night | 69°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 6 to 9 mph SSE | 18% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 9 mph SSE | 18% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 8 mph SSE | 31% |
| Monday | 88°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 10 mph SSE | 31% |
| Monday Night | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 10 mph E | 30% |
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 Aug 4, 2026.