Franklin, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Franklin, a city in Lee County, Iowa.
Tonight
70°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4am. Partly cloudy. Low around 70, with temperatures rising to around 72 overnight. Southeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Franklin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SE | 22% |
| Saturday | 87°F | Slight Chance Rain Showers then Partly Sunny | 5 mph S | 16% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph NW | 72% |
| Sunday | 76°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 72% |
| Sunday Night | 60°F | Showers And Thunderstorms Likely | 10 mph NE | 70% |
| Monday | 66°F | Rain Showers Likely | 10 mph NE | 64% |
| Monday Night | 55°F | Chance Rain Showers | 5 to 10 mph NE | 49% |
| Tuesday | 63°F | Chance Rain Showers | 5 to 10 mph NE | 33% |
| Tuesday Night | 50°F | Mostly Cloudy | 5 mph NE | 6% |
| Wednesday | 67°F | Mostly Sunny | 5 mph NE | 2% |
| Wednesday Night | 54°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 70°F | Partly Sunny | 0 to 5 mph NE | 5% |
| Thursday Night | 56°F | Partly Cloudy | 0 to 5 mph NE | 6% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Franklin (40.667, -91.512). Updated through the day.
Growing snapshot for Franklin
Last spring frost
Apr 17
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6a
More local growing data for Franklin: nearby ZIP 52625 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Argyle
Denmark
Donnellson
Farmington
Fort Madison
Hillsboro
Houghton
Keokuk
Montrose
Mooar
Oak Hills
Sandusky
St. Paul
West Point
Wever
Climate data from the nearest NOAA station, Donnellson, Ia (1.2 mi from Franklin). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.