Olive Branch, IL Weather & Growing Conditions
Tonight
57°F
Showers And Thunderstorms then Chance Showers And Thunderstorms
Showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 3am. Mostly cloudy. Low around 57, with temperatures rising to around 59 overnight. South southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 9 mph SSW | 88% |
| Wednesday | 68°F | Mostly Sunny | 5 to 9 mph WSW | 6% |
| Wednesday Night | 44°F | Mostly Clear | 3 mph WSW | 0% |
| Thursday | 68°F | Sunny | 1 to 6 mph SW | 0% |
| Thursday Night | 46°F | Partly Cloudy | 2 mph WNW | 4% |
| Friday | 62°F | Partly Sunny | 2 to 9 mph NNW | 1% |
| Friday Night | 40°F | Partly Cloudy | 5 mph N | 1% |
| Saturday | 58°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 36°F | Partly Cloudy | 1 mph NNW | 1% |
| Sunday | 62°F | Sunny | 0 to 5 mph NW | 5% |
| Sunday Night | 36°F | Mostly Clear | 2 mph NW | 5% |
| Monday | 65°F | Sunny | 1 to 6 mph W | 1% |
| Monday Night | 38°F | Mostly Clear | 2 mph WNW | 0% |
| Tuesday | 69°F | Sunny | 3 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Olive Branch, IL
Last spring frost
Apr 2
First fall frost
Oct 31
Growing season
211 days
Hardiness zone
7a
Explore more for Olive Branch, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Cairo 3N, Il (10.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.