Galva, IL Weather & Growing Conditions
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. South wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 5 to 10 mph S | 1% |
| Tonight | 68°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph SE | 45% |
| Wednesday | 80°F | Showers And Thunderstorms Likely | 5 mph SW | 63% |
| Wednesday Night | 64°F | Showers And Thunderstorms | 5 mph N | 86% |
| Thursday | 79°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph NE | 62% |
| Thursday Night | 63°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph E | 18% |
| Friday | 81°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 16% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 16% |
| Saturday | 84°F | Sunny | 5 to 10 mph SW | 9% |
| Saturday Night | 70°F | Mostly Clear | 5 to 10 mph S | 9% |
| Sunday | 85°F | Sunny | 10 to 15 mph SW | 9% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph S | 31% |
| Monday | 85°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 10 to 15 mph S | 31% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 10 mph SW | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Galva, IL
Last spring frost
Apr 26
First fall frost
Oct 12
Growing season
166 days
Hardiness zone
5b
Explore more for Galva, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Galva, Il (0.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.