Polo, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Polo, a city in Ogle County, Illinois.
This Afternoon
67°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 67, with temperatures falling to around 65 in the afternoon. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Polo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Rain | 15 to 20 mph S | 85% |
| Tonight | 54°F | Rain | 15 mph S | 84% |
| Wednesday | 58°F | Chance Rain | 15 mph SSW | 38% |
| Wednesday Night | 45°F | Chance Rain | 15 mph SW | 28% |
| Thursday | 55°F | Chance Rain | 10 to 15 mph WSW | 53% |
| Thursday Night | 40°F | Chance Rain | 5 to 10 mph NNW | 29% |
| Friday | 51°F | Slight Chance Rain then Partly Sunny | 10 mph N | 15% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph NNW | 1% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph WNW | 3% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 5 mph W | 4% |
| Sunday | 58°F | Mostly Sunny | 5 to 10 mph W | 12% |
| Sunday Night | 33°F | Mostly Clear | 5 mph W | 4% |
| Monday | 61°F | Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Polo (41.985, -89.580). Updated through the day.
Growing snapshot for Polo
Last spring frost
Apr 29
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
5b
More local growing data for Polo: nearby ZIP 61064 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Polo 5Nw, Il (3.3 mi from Polo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.