Andover, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Andover, a city in Clinton County, Iowa.
This Afternoon
66°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 66. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Andover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Showers And Thunderstorms | 15 mph S | 94% |
| Tonight | 52°F | Showers And Thunderstorms | 10 to 15 mph S | 82% |
| Wednesday | 56°F | Chance Rain Showers | 15 mph SW | 36% |
| Wednesday Night | 44°F | Chance Rain Showers | 10 to 15 mph SW | 25% |
| Thursday | 53°F | Chance Rain Showers | 10 mph W | 52% |
| Thursday Night | 40°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 26% |
| Friday | 51°F | Partly Sunny | 5 to 10 mph N | 11% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 3% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph W | 3% |
| Sunday | 59°F | Mostly Sunny | 5 to 10 mph W | 11% |
| Sunday Night | 34°F | Mostly Clear | 5 mph W | 3% |
| Monday | 62°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Andover (41.980, -90.253). Updated through the day.
Growing snapshot for Andover
Last spring frost
Apr 13
First fall frost
Oct 26
Growing season
195 days
Hardiness zone
5a
More local growing data for Andover: nearby ZIP 52701 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Calamus
Camanche
Charlotte
Clinton
Delmar
DeWitt
Goose Lake
Grand Mound
Lost Nation
Low Moor
Toronto
Welton
Wheatland
Climate data from the nearest NOAA station, Fulton L&D #13, Il (7.6 mi from Andover). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.