Hammond, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hammond, a village in Piatt County, Illinois.
Overnight
58°F
Light Rain Likely
Rain likely. Cloudy, with a low around 58. South wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Hammond
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Light Rain Likely | 17 mph S | 72% |
| Wednesday | 62°F | Patchy Drizzle | 15 mph SW | 18% |
| Wednesday Night | 45°F | Patchy Drizzle then Mostly Cloudy | 12 mph SW | 10% |
| Thursday | 61°F | Partly Sunny | 12 to 15 mph WSW | 8% |
| Thursday Night | 41°F | Mostly Cloudy | 5 to 8 mph NW | 3% |
| Friday | 53°F | Partly Sunny | 9 to 13 mph NNW | 6% |
| Friday Night | 32°F | Partly Cloudy | 5 to 9 mph NNW | 0% |
| Saturday | 53°F | Sunny | 7 mph NNW | 0% |
| Saturday Night | 31°F | Partly Cloudy | 3 mph WNW | 1% |
| Sunday | 59°F | Sunny | 3 to 9 mph WNW | 1% |
| Sunday Night | 32°F | Clear | 5 mph W | 0% |
| Monday | 63°F | Sunny | 2 to 8 mph SW | 0% |
| Monday Night | 37°F | Clear | 6 mph SW | 0% |
| Tuesday | 66°F | Sunny | 6 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Hammond (39.803, -88.595). Updated through the day.
Growing snapshot for Hammond
Last spring frost
Apr 16
First fall frost
Oct 22
Growing season
187 days
Hardiness zone
6a
More local growing data for Hammond: nearby ZIP 61929 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Decatur Ap, Il (12.7 mi from Hammond). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.