Galva, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Galva, a city in Ida County, Iowa.
Today
74°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 9am, then patchy smoke and a chance of showers and thunderstorms between 9am and 1pm, then patchy smoke and showers and thunderstorms. Mostly cloudy. High near 74, with temperatures falling to around 71 in the afternoon. North wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Galva
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 76% |
| Tonight | 56°F | Patchy Smoke | 0 to 5 mph NNE | 63% |
| Wednesday | 74°F | Partly Sunny | 0 to 5 mph ENE | 7% |
| Wednesday Night | 53°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Thursday | 81°F | Sunny | 0 to 10 mph S | 1% |
| Thursday Night | 61°F | Mostly Clear | 5 mph SSE | 4% |
| Friday | 86°F | Sunny | 5 to 10 mph SSW | 4% |
| Friday Night | 65°F | Mostly Clear | 5 to 10 mph S | 13% |
| Saturday | 90°F | Sunny | 5 to 15 mph S | 7% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SSE | 20% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SSE | 20% |
| Sunday Night | 68°F | Partly Cloudy then Chance Showers And Thunderstorms | 10 to 15 mph SE | 26% |
| Monday | 89°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph ESE | 26% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 10 to 15 mph ENE | 28% |
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 Aug 4, 2026.