Cypress, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cypress, a village in Johnson County, Illinois.
This Afternoon
98°F
Sunny
Sunny. High near 98, with temperatures falling to around 96 in the afternoon. Southwest wind around 5 mph.
7-day forecast for Cypress
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Sunny | 5 mph SW | 1% |
| Tonight | 71°F | Mostly Clear | 2 mph SSW | 1% |
| Sunday | 97°F | Mostly Sunny | 1 to 5 mph SW | 2% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 2 mph NNE | 20% |
| Monday | 90°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph NE | 30% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 5 mph NNE | 30% |
| Tuesday | 79°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 9 mph N | 30% |
| Tuesday Night | 58°F | Partly Cloudy | 3 to 9 mph N | 10% |
| Wednesday | 78°F | Mostly Sunny | 7 mph N | 1% |
| Wednesday Night | 56°F | Partly Cloudy | 1 to 6 mph N | 0% |
| Thursday | 78°F | Mostly Sunny | 2 to 6 mph N | 0% |
| Thursday Night | 58°F | Partly Cloudy | 3 mph NNE | 1% |
| Friday | 80°F | Mostly Sunny | 1 to 6 mph NNE | 4% |
| Friday Night | 58°F | Partly Cloudy | 3 mph NNE | 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 Sep 20, 2026.