Farmington, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Farmington, a city in Lee County, Iowa.
Overnight
63°F
Mostly Clear
Mostly clear, with a low around 63. South wind around 5 mph.
7-day forecast for Farmington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 90°F | Mostly Sunny | 5 mph S | 8% |
| Tuesday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 40% |
| Wednesday | 83°F | Chance Showers And Thunderstorms | 0 mph | 78% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 0 mph | 80% |
| Thursday | 83°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 72% |
| Thursday Night | 63°F | Mostly Clear | 0 mph | 8% |
| Friday | 87°F | Mostly Sunny | 0 mph | 8% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 0 mph | 18% |
| Saturday | 90°F | Slight Chance Showers And Thunderstorms then Sunny | 0 to 5 mph S | 18% |
| Saturday Night | 71°F | Mostly Clear | 5 mph S | 6% |
| Sunday | 92°F | Sunny | 5 to 10 mph SW | 6% |
| Sunday Night | 71°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 19% |
| Monday | 93°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph S | 19% |
Forecast source: National Weather Service (api.weather.gov) for Farmington (40.639, -91.739). Updated through the day.
Growing snapshot for Farmington
Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6a
More local growing data for Farmington: nearby ZIP 52626 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Argyle
Denmark
Donnellson
Fort Madison
Franklin
Hillsboro
Houghton
Keokuk
Montrose
Mooar
Oak Hills
Sandusky
St. Paul
West Point
Wever
Climate data from the nearest NOAA station, Donnellson, Ia (8.5 mi from Farmington). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.