Hamburg, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hamburg, a village in Calhoun County, Illinois.
Overnight
66°F
Patchy Fog
Patchy fog. Clear, with a low around 66. Southeast wind around 2 mph.
7-day forecast for Hamburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Patchy Fog | 2 mph SE | 0% |
| Tuesday | 89°F | Patchy Fog then Sunny | 3 mph S | 0% |
| Tuesday Night | 70°F | Mostly Clear | 3 mph SE | 4% |
| Wednesday | 90°F | Mostly Sunny then Scattered Showers And Thunderstorms | 3 mph S | 29% |
| Wednesday Night | 71°F | Chance Showers And Thunderstorms | 3 mph SE | 82% |
| Thursday | 86°F | Showers And Thunderstorms | 3 mph S | 82% |
| Thursday Night | 69°F | Partly Cloudy | 2 mph SE | 9% |
| Friday | 87°F | Partly Sunny | 2 mph SW | 9% |
| Friday Night | 70°F | Partly Cloudy then Chance Showers And Thunderstorms | 2 mph S | 26% |
| Saturday | 90°F | Chance Showers And Thunderstorms then Mostly Sunny | 3 mph SW | 26% |
| Saturday Night | 73°F | Mostly Clear | 3 mph S | 6% |
| Sunday | 92°F | Sunny | 3 to 7 mph S | 3% |
| Sunday Night | 75°F | Mostly Clear | 6 mph S | 5% |
| Monday | 93°F | Mostly Sunny | 6 mph SW | 5% |
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 Aug 4, 2026.