Cypress, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cypress, a village in Johnson County, Illinois.
Overnight
64°F
Patchy Fog
Patchy fog. Mostly clear. Low around 64, with temperatures rising to around 66 overnight. North northeast wind around 1 mph.
7-day forecast for Cypress
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Patchy Fog | 1 mph NNE | 0% |
| Tuesday | 88°F | Patchy Fog then Sunny | 2 mph NE | 0% |
| Tuesday Night | 65°F | Mostly Clear | 1 mph NE | 0% |
| Wednesday | 89°F | Sunny | 1 mph SSW | 0% |
| Wednesday Night | 68°F | Mostly Clear | 0 mph | 0% |
| Thursday | 89°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 1 to 5 mph SSW | 17% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 0 to 3 mph S | 56% |
| Friday | 88°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 5 mph SSW | 56% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 2 mph SW | 42% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 1 to 5 mph SSW | 34% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph WNW | 21% |
| Sunday | 90°F | Mostly Sunny | 1 to 7 mph SSW | 10% |
| Sunday Night | 71°F | Mostly Clear | 1 to 5 mph SSW | 6% |
| Monday | 92°F | Sunny | 2 to 7 mph SSW | 4% |
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 Aug 4, 2026.