Andover, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Andover, a city in Clinton County, Iowa.
Today
85°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly sunny. High near 85, with temperatures falling to around 83 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
7-day forecast for Andover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 25% |
| Tonight | 66°F | Showers And Thunderstorms Likely | 5 mph NW | 89% |
| Wednesday | 76°F | Showers And Thunderstorms Likely | 5 mph N | 69% |
| Wednesday Night | 60°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 62% |
| Thursday | 79°F | Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 31% |
| Thursday Night | 60°F | Mostly Clear | 0 mph | 5% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph SE | 4% |
| Friday Night | 64°F | Mostly Clear | 0 to 5 mph S | 9% |
| Saturday | 85°F | Sunny | 5 to 10 mph SW | 12% |
| Saturday Night | 70°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 mph S | 21% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SW | 21% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 40% |
| Monday | 86°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 39% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 40% |
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 Aug 4, 2026.