Farmington, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Farmington, a city in Lee County, Iowa.
Overnight
70°F
Patchy Fog
Patchy fog after 4am. Partly cloudy, with a low around 70. South wind 0 to 5 mph.
7-day forecast for Farmington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Patchy Fog | 0 to 5 mph S | 13% |
| Saturday | 86°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 10 mph S | 18% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 5 mph NW | 70% |
| Sunday | 73°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph N | 73% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 5 mph NE | 64% |
| Monday | 64°F | Showers And Thunderstorms Likely | 5 mph NE | 64% |
| Monday Night | 54°F | Chance Rain Showers | 5 mph NE | 44% |
| Tuesday | 62°F | Chance Rain Showers | 0 to 5 mph NE | 42% |
| Tuesday Night | 49°F | Partly Cloudy | 0 mph | 4% |
| Wednesday | 66°F | Mostly Sunny | 0 mph | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 0 mph | 3% |
| Thursday | 69°F | Partly Sunny | 0 mph | 6% |
| Thursday Night | 57°F | Partly Cloudy | 0 mph | 4% |
| Friday | 72°F | Partly Sunny | 0 mph | 5% |
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 Sep 19, 2026.