Hamburg, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hamburg, a village in Calhoun County, Illinois.
Tonight
73°F
Partly Cloudy
Partly cloudy, with a low around 73. Southeast wind around 6 mph.
7-day forecast for Hamburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Partly Cloudy | 6 mph SE | 10% |
| Saturday | 95°F | Partly Sunny | 6 mph SW | 7% |
| Saturday Night | 72°F | Partly Cloudy then Chance Rain Showers | 3 mph SW | 18% |
| Sunday | 88°F | Chance Rain Showers | 1 to 5 mph NW | 53% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 to 7 mph NE | 69% |
| Monday | 74°F | Showers And Thunderstorms Likely | 3 to 7 mph NE | 70% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 8 mph N | 50% |
| Tuesday | 69°F | Slight Chance Rain Showers then Mostly Cloudy | 8 mph N | 22% |
| Tuesday Night | 54°F | Mostly Cloudy | 3 to 8 mph N | 5% |
| Wednesday | 72°F | Mostly Sunny | 6 mph N | 0% |
| Wednesday Night | 55°F | Partly Cloudy | 1 to 5 mph N | 1% |
| Thursday | 74°F | Mostly Sunny | 5 mph N | 4% |
| Thursday Night | 58°F | Partly Cloudy | 3 mph NE | 4% |
| Friday | 75°F | Mostly Sunny | 5 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Hamburg (39.232, -90.716). Updated through the day.
Growing snapshot for Hamburg
Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
6a
More local growing data for Hamburg: nearby ZIP 62045 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Elsberry 1 S, Mo (9 mi from Hamburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.