Harman US

Galt, IL Weather & Growing Conditions

Tonight
64°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1am. Mostly cloudy. Low around 64, with temperatures rising to around 66 overnight. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 64°F Mostly Cloudy then Chance Showers And Thunderstorms 5 to 10 mph SE 52%
Saturday 81°F Showers And Thunderstorms 5 to 10 mph SE 79%
Saturday Night 63°F Showers And Thunderstorms 5 to 10 mph NW 78%
Sunday 71°F Rain Showers 10 to 15 mph NE 78%
Sunday Night 55°F Rain Showers Likely 15 mph NE 62%
Monday 66°F Chance Rain Showers 15 mph NE 53%
Monday Night 50°F Chance Rain Showers 10 to 15 mph NE 40%
Tuesday 64°F Chance Rain Showers 15 mph NE 30%
Tuesday Night 48°F Mostly Cloudy 5 to 15 mph NE 6%
Wednesday 68°F Mostly Sunny 5 to 10 mph NE 3%
Wednesday Night 50°F Partly Cloudy 0 to 10 mph NE 3%
Thursday 70°F Mostly Sunny 0 to 5 mph NE 4%
Thursday Night 52°F Partly Cloudy 0 to 5 mph NE 5%
Friday 72°F Mostly Sunny 0 to 5 mph NE 5%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Galt, IL

Last spring frost
Apr 26
First fall frost
Oct 13
Growing season
167 days
Hardiness zone
5b

Explore more for Galt, IL: full frost dates · planting calendar · Illinois frost dates

Climate data from the nearest NOAA station, Morrison, Il (10.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.