Hamburg, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hamburg, a village in Calhoun County, Illinois.
This Afternoon
73°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 73, with temperatures falling to around 67 in the afternoon. South wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
7-day forecast for Hamburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Light Rain | 16 mph S | 93% |
| Tonight | 55°F | Light Rain Likely | 8 to 14 mph S | 68% |
| Wednesday | 61°F | Chance Rain Showers then Mostly Cloudy | 9 to 13 mph W | 12% |
| Wednesday Night | 46°F | Partly Cloudy | 7 mph SW | 0% |
| Thursday | 63°F | Sunny | 6 to 10 mph W | 5% |
| Thursday Night | 46°F | Mostly Cloudy then Slight Chance T-storms | 5 mph NW | 21% |
| Friday | 56°F | Mostly Cloudy | 5 to 8 mph NW | 6% |
| Friday Night | 40°F | Partly Cloudy | 1 to 5 mph N | 1% |
| Saturday | 56°F | Mostly Sunny | 3 mph NW | 1% |
| Saturday Night | 39°F | Mostly Clear | 2 mph W | 2% |
| Sunday | 62°F | Sunny | 2 to 6 mph W | 8% |
| Sunday Night | 39°F | Mostly Clear | 3 mph W | 3% |
| Monday | 66°F | Sunny | 2 to 7 mph SW | 2% |
| Monday Night | 44°F | Mostly Clear | 3 mph SW | 1% |
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 Nov 3, 2026.