Galva, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Galva, a city in Henry County, Illinois.
Today
56°F
Slight Chance Rain Showers
A slight chance of rain showers before 2pm. Cloudy, with a high near 56. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
7-day forecast for Galva
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 56°F | Slight Chance Rain Showers | 15 mph SW | 17% |
| Tonight | 46°F | Mostly Cloudy | 15 mph SW | 14% |
| Thursday | 55°F | Chance Rain Showers | 10 to 15 mph W | 35% |
| Thursday Night | 42°F | Chance Rain Showers | 10 mph NW | 29% |
| Friday | 50°F | Partly Sunny | 5 to 15 mph N | 9% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 0 to 5 mph W | 2% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 1% |
| Sunday Night | 35°F | Clear | 5 mph W | 1% |
| Monday | 63°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 63°F | Sunny | 5 mph NW | 0% |
| Tuesday Night | 40°F | Partly Cloudy | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov) for Galva (41.169, -90.037). Updated through the day.
Growing snapshot for Galva
Last spring frost
Apr 26
First fall frost
Oct 12
Growing season
166 days
Hardiness zone
5b
More local growing data for Galva: nearby ZIP 61434 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Galva, Il (0.1 mi from Galva). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.