Galva, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Galva, a city in Ida County, Iowa.
Overnight
67°F
Areas Of Fog
Areas of fog and a chance of showers and thunderstorms. Cloudy, with a low around 67. Northwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Galva
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Areas Of Fog | 5 mph NW | 49% |
| Saturday | 72°F | Areas Of Fog then Cloudy | 5 to 10 mph NNW | 55% |
| Saturday Night | 57°F | Slight Chance Rain Showers then Cloudy | 10 mph NNE | 19% |
| Sunday | 65°F | Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 24% |
| Sunday Night | 53°F | Rain Showers Likely | 10 mph ENE | 59% |
| Monday | 60°F | Rain Showers Likely | 10 mph ENE | 59% |
| Monday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 5 mph ENE | 42% |
| Tuesday | 61°F | Mostly Sunny | 5 mph E | 9% |
| Tuesday Night | 44°F | Partly Cloudy | 0 to 5 mph ESE | 1% |
| Wednesday | 65°F | Mostly Sunny | 0 to 5 mph SE | 3% |
| Wednesday Night | 49°F | Partly Cloudy then Chance Rain Showers | 0 to 5 mph SE | 25% |
| Thursday | 67°F | Chance Rain Showers | 0 to 5 mph SE | 25% |
| Thursday Night | 53°F | Mostly Cloudy | 0 to 5 mph SE | 14% |
| Friday | 69°F | Mostly Cloudy | 5 mph SE | 14% |
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 Sep 19, 2026.