Preston, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Preston, a city in Jackson County, Iowa.
Today
80°F
Patchy Fog then Chance Showers And Thunderstorms
Patchy fog and occasional showers and thunderstorms before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then showers and thunderstorms likely. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Preston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Patchy Fog then Chance Showers And Thunderstorms | 5 to 10 mph SE | 97% |
| Tonight | 62°F | Showers And Thunderstorms | 5 to 10 mph NE | 90% |
| Sunday | 69°F | Rain Showers Likely | 10 mph NE | 60% |
| Sunday Night | 55°F | Chance Rain Showers | 10 to 15 mph NE | 35% |
| Monday | 65°F | Chance Rain Showers | 10 mph NE | 49% |
| Monday Night | 50°F | Chance Rain Showers | 5 to 10 mph NE | 37% |
| Tuesday | 63°F | Slight Chance Rain Showers | 10 mph NE | 22% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 67°F | Mostly Sunny | 5 mph NE | 2% |
| Wednesday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph NE | 6% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 6% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NE | 5% |
| Friday Night | 52°F | Partly Cloudy | 0 to 5 mph E | 4% |
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 Sep 19, 2026.