Galt, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Galt, a community in Whiteside County, Illinois.
Tonight
52°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. Low around 52, with temperatures rising to around 55 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
7-day forecast for Galt
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Showers And Thunderstorms | 15 mph S | 80% |
| Wednesday | 57°F | Chance Rain Showers | 15 mph SW | 35% |
| Wednesday Night | 44°F | Slight Chance Rain Showers | 10 to 15 mph SW | 23% |
| Thursday | 54°F | Chance Rain Showers | 10 to 15 mph W | 51% |
| Thursday Night | 40°F | Chance Rain Showers | 5 to 10 mph NW | 27% |
| Friday | 52°F | Partly Sunny | 5 to 10 mph N | 14% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 3% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 4% |
| Sunday | 59°F | Mostly Sunny | 5 to 10 mph W | 12% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 4% |
| Monday | 62°F | Sunny | 5 to 10 mph SW | 2% |
| Monday Night | 38°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 63°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Galt (41.789, -89.754). Updated through the day.
Growing snapshot for Galt
Last spring frost
Apr 26
First fall frost
Oct 13
Growing season
167 days
Hardiness zone
5b
More local growing data for Galt: nearby ZIP 61037 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Morrison, Il (10.7 mi from Galt). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.