Galva, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Galva, a city in Ida County, Iowa.
This Afternoon
55°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 55, with temperatures falling to around 49 in the afternoon. North northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Galva
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Rain Showers Likely | 15 mph NNW | 62% |
| Tonight | 39°F | Rain Showers | 10 to 15 mph NW | 76% |
| Wednesday | 48°F | Rain Showers Likely | 15 mph WNW | 58% |
| Wednesday Night | 38°F | Rain Showers Likely | 10 mph WNW | 69% |
| Thursday | 49°F | Chance Rain Showers | 10 mph NNW | 51% |
| Thursday Night | 34°F | Mostly Cloudy | 5 to 10 mph N | 3% |
| Friday | 49°F | Partly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 31°F | Mostly Cloudy | 0 mph | 0% |
| Saturday | 56°F | Mostly Sunny | 0 to 5 mph WSW | 2% |
| Saturday Night | 35°F | Mostly Clear | 5 mph W | 4% |
| Sunday | 59°F | Sunny | 5 mph WSW | 4% |
| Sunday Night | 38°F | Mostly Clear | 5 mph SSW | 1% |
| Monday | 62°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Galva (42.506, -95.418). Updated through the day.
Growing snapshot for Galva
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
5a
More local growing data for Galva: nearby ZIP 51020 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Holstein, Ia (7.3 mi from Galva). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.