Preston, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Preston, a city in Jackson County, Iowa.
Tonight
52°F
Rain Showers
Rain showers before 5am. Mostly cloudy. Low around 52, with temperatures rising to around 55 overnight. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
7-day forecast for Preston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Rain Showers | 10 to 15 mph S | 78% |
| Wednesday | 56°F | Chance Rain Showers | 15 mph SW | 41% |
| Wednesday Night | 44°F | Slight Chance Rain Showers | 10 to 15 mph SW | 24% |
| Thursday | 54°F | Chance Rain Showers | 5 to 10 mph W | 54% |
| Thursday Night | 40°F | Chance Rain Showers then Mostly Cloudy | 5 mph NW | 25% |
| Friday | 51°F | Partly Sunny | 5 to 10 mph N | 9% |
| Friday Night | 33°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph W | 3% |
| Saturday Night | 34°F | Mostly Clear | 0 to 5 mph W | 4% |
| Sunday | 59°F | Mostly Sunny | 5 mph W | 11% |
| Sunday Night | 35°F | Mostly Clear | 0 to 5 mph W | 3% |
| Monday | 62°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 39°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 63°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Preston (42.049, -90.397). Updated through the day.
Growing snapshot for Preston
Last spring frost
Apr 25
First fall frost
Oct 14
Growing season
171 days
Hardiness zone
5a
More local growing data for Preston: nearby ZIP 52069 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Andrew
Baldwin
Bellevue
La Motte
Maquoketa
Miles
Monmouth
Sabula
Spragueville
Springbrook
St. Donatus
Zwingle
Climate data from the nearest NOAA station, Maquoketa, Ia (12.1 mi from Preston). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.