Garner, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Garner, a city in Hancock County, Iowa.
This Afternoon
60°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 60, with temperatures falling to around 57 in the afternoon. North northwest wind around 9 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Garner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Showers And Thunderstorms Likely | 9 mph NNW | 64% |
| Tonight | 43°F | Rain Showers | 10 mph NW | 93% |
| Wednesday | 49°F | Rain Showers | 12 to 17 mph W | 85% |
| Wednesday Night | 39°F | Rain Showers | 10 to 14 mph WNW | 90% |
| Thursday | 49°F | Rain Showers Likely | 12 to 15 mph NNW | 62% |
| Thursday Night | 33°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph N | 16% |
| Friday | 48°F | Mostly Sunny | 2 to 6 mph NNE | 0% |
| Friday Night | 29°F | Partly Cloudy | 1 mph N | 1% |
| Saturday | 53°F | Mostly Sunny | 0 to 6 mph SW | 2% |
| Saturday Night | 33°F | Partly Cloudy | 5 mph W | 4% |
| Sunday | 58°F | Sunny | 5 to 8 mph W | 7% |
| Sunday Night | 35°F | Mostly Clear | 5 mph SW | 1% |
| Monday | 62°F | Sunny | 6 to 12 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 6 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Garner (43.100, -93.603). Updated through the day.
Growing snapshot for Garner
Last spring frost
Apr 29
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
5a
More local growing data for Garner: nearby ZIP 50438 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Britt 3E, Ia (6.4 mi from Garner). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.