Olympia Fields, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Olympia Fields, a village in Cook County, Illinois.
This Afternoon
74°F
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 74. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
7-day forecast for Olympia Fields
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Chance Rain Showers | 10 mph E | 50% |
| Tonight | 63°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 10 mph E | 40% |
| Saturday | 79°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 82% |
| Saturday Night | 67°F | Showers And Thunderstorms Likely | 5 mph WSW | 82% |
| Sunday | 70°F | Showers And Thunderstorms | 5 to 15 mph NNE | 82% |
| Sunday Night | 56°F | Rain Showers Likely | 15 mph NE | 66% |
| Monday | 65°F | Rain Showers Likely | 15 mph ENE | 58% |
| Monday Night | 53°F | Chance Rain Showers | 10 to 15 mph ENE | 34% |
| Tuesday | 64°F | Slight Chance Rain Showers | 10 to 15 mph NE | 22% |
| Tuesday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 16% |
| Wednesday | 66°F | Partly Sunny | 5 to 10 mph NNE | 10% |
| Wednesday Night | 54°F | Mostly Cloudy | 5 to 10 mph NNE | 5% |
| Thursday | 69°F | Partly Sunny | 5 to 10 mph NNE | 6% |
| Thursday Night | 55°F | Mostly Cloudy | 5 to 10 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Olympia Fields (41.522, -87.692). Updated through the day.
Growing snapshot for Olympia Fields
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
6a
More local growing data for Olympia Fields: nearby ZIP 60461 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Park Forest, Il (1.9 mi from Olympia Fields). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.