Garner, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Garner, a city in Hancock County, Iowa.
Tonight
63°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 11pm, then patchy fog and showers and thunderstorms likely between 11pm and 1am, then patchy fog and showers and thunderstorms likely between 1am and 4am, then patchy fog and a chance of showers and thunderstorms. Cloudy. Low around 63, with temperatures rising to around 66 overnight. Southeast wind 7 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Garner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Showers And Thunderstorms Likely | 7 to 12 mph SE | 71% |
| Saturday | 72°F | Patchy Fog | 6 to 9 mph NNW | 45% |
| Saturday Night | 55°F | Slight Chance Rain Showers then Cloudy | 12 mph NNE | 22% |
| Sunday | 64°F | Slight Chance Rain Showers | 15 mph NE | 17% |
| Sunday Night | 50°F | Chance Rain Showers | 9 to 13 mph ENE | 27% |
| Monday | 59°F | Chance Rain Showers | 14 mph ENE | 51% |
| Monday Night | 46°F | Chance Rain Showers | 6 to 10 mph ENE | 50% |
| Tuesday | 60°F | Partly Sunny | 8 mph ENE | 13% |
| Tuesday Night | 43°F | Partly Cloudy | 2 to 6 mph E | 1% |
| Wednesday | 64°F | Mostly Sunny | 5 mph ESE | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 2 mph SE | 6% |
| Thursday | 66°F | Slight Chance Rain Showers | 3 mph SSE | 17% |
| Thursday Night | 50°F | Mostly Cloudy | 2 mph SSE | 6% |
| Friday | 67°F | Partly Sunny | 1 to 6 mph SE | 8% |
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 Sep 19, 2026.