Andover, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Andover, a city in Clinton County, Iowa.
Overnight
64°F
Patchy Fog
Patchy fog and showers and thunderstorms likely. Mostly cloudy. Low around 64, with temperatures rising to around 66 overnight. East wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Andover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Patchy Fog | 5 mph E | 59% |
| Saturday | 80°F | Patchy Fog | 5 to 10 mph SE | 93% |
| Saturday Night | 62°F | Showers And Thunderstorms | 5 to 10 mph NE | 90% |
| Sunday | 69°F | Rain Showers Likely | 10 to 15 mph NE | 62% |
| Sunday Night | 55°F | Chance Rain Showers | 10 to 15 mph NE | 37% |
| Monday | 65°F | Chance Rain Showers | 15 mph NE | 50% |
| Monday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 39% |
| Tuesday | 63°F | Slight Chance Rain Showers | 10 mph NE | 21% |
| Tuesday Night | 48°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 67°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Wednesday Night | 51°F | Partly Cloudy | 5 mph NE | 1% |
| Thursday | 68°F | Mostly Sunny | 5 mph NE | 6% |
| Thursday Night | 52°F | Partly Cloudy | 0 to 5 mph NE | 6% |
| Friday | 71°F | Mostly Sunny | 5 mph NE | 4% |
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 Sep 19, 2026.