Farmington, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Farmington, a city in Lee County, Iowa.
Overnight
51°F
Mostly Cloudy
Mostly cloudy. Low around 51, with temperatures rising to around 53 overnight. Southwest wind around 5 mph.
7-day forecast for Farmington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 5 mph SW | 9% |
| Wednesday | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph W | 15% |
| Wednesday Night | 46°F | Mostly Cloudy | 5 mph SW | 3% |
| Thursday | 55°F | Chance Rain Showers | 5 mph W | 40% |
| Thursday Night | 44°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph NW | 21% |
| Friday | 49°F | Partly Sunny | 0 to 5 mph N | 2% |
| Friday Night | 32°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 52°F | Mostly Sunny | 0 mph | 0% |
| Saturday Night | 35°F | Mostly Clear | 0 mph | 1% |
| Sunday | 59°F | Sunny | 0 to 5 mph W | 1% |
| Sunday Night | 37°F | Clear | 0 mph | 0% |
| Monday | 64°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 42°F | Clear | 0 to 5 mph W | 0% |
| Tuesday | 64°F | Sunny | 0 mph | 0% |
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
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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 Nov 4, 2026.