Cypress, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cypress, a village in Johnson County, Illinois.
Tonight
56°F
Showers And Thunderstorms
Showers and thunderstorms before 2am. Mostly cloudy. Low around 56, with temperatures rising to around 59 overnight. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
7-day forecast for Cypress
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Showers And Thunderstorms | 6 to 10 mph S | 99% |
| Wednesday | 68°F | Partly Sunny | 3 to 8 mph SW | 7% |
| Wednesday Night | 43°F | Mostly Clear | 2 mph WSW | 0% |
| Thursday | 68°F | Sunny | 1 to 6 mph SW | 0% |
| Thursday Night | 44°F | Partly Cloudy | 2 mph WNW | 4% |
| Friday | 62°F | Partly Sunny | 2 to 7 mph NNW | 2% |
| Friday Night | 39°F | Partly Cloudy | 1 to 5 mph NNW | 1% |
| Saturday | 58°F | Mostly Sunny | 3 mph N | 0% |
| Saturday Night | 35°F | Partly Cloudy | 0 mph | 1% |
| Sunday | 62°F | Sunny | 0 to 5 mph WNW | 5% |
| Sunday Night | 34°F | Mostly Clear | 1 mph NW | 6% |
| Monday | 64°F | Sunny | 1 to 6 mph W | 1% |
| Monday Night | 37°F | Mostly Clear | 2 mph WNW | 0% |
| Tuesday | 69°F | Sunny | 0 to 5 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Cypress (37.366, -89.019). Updated through the day.
Growing snapshot for Cypress
Last spring frost
Apr 3
First fall frost
Nov 5
Growing season
216 days
Hardiness zone
7a
More local growing data for Cypress: nearby ZIP 62923 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Grand Chain Dam 53, Il (9.6 mi from Cypress). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.