Chicago, IL Hourly Forecast
Chicago temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 12 PM - around 80°
- Coolest hour: 6 AM - around 66°
- Highest rain chance: 2 AM (85%) - pack accordingly
- UV peak: 12 PM at index 7 - sun protection recommended
- Windiest: 2 AM at 13 mph
Chicago hourly weather - Tuesday, August 18
In Chicago, expect a high near 80°F (26°C) around 12 PM and a low of 69°F (21°C) near 8 AM; precipitation risk peaks at 30% around 11 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 8 AM | Overcast | 69° | 71° | 26% | 5 mph SW | 84% | 1 | |
| 9 AM | Cloudy | 72° | 74° | 18% | 6 mph SW | 78% | 2 | |
| 10 AM | Overcast | 75° | 77° | 20% | 7 mph SW | 74% | 4 | |
| 11 AM | Overcast | 77° | 79° | 18% | 7 mph SW | 70% | 6 | |
| 12 PM | Cloudy | 80° | 82° | 10% | 8 mph WSW | 67% | 7 | |
| 1 PM | Overcast | 76° | 74° | 14% | 10 mph WSW | 59% | 6 | |
| 2 PM | Overcast | 75° | 74° | 15% | 8 mph WSW | 62% | 6 | |
| 3 PM | Overcast | 77° | 75° | 13% | 9 mph WSW | 57% | 5 | |
| 4 PM | Overcast | 76° | 74° | 14% | 9 mph WSW | 59% | 3 | |
| 5 PM | Patchy rain nearby | 71° | 72° | 17% | 6 mph SW | 74% | 0 | |
| 6 PM | Patchy rain nearby | 73° | 73° | 29% | 7 mph SW | 66% | 0 | |
| 7 PM | Overcast | 70° | 72° | 23% | 6 mph SW | 80% | 0 | |
| 8 PM | Overcast | 70° | 72° | 27% | 5 mph SW | 87% | 0 | |
| 9 PM | Partly Cloudy | 70° | 74° | 18% | 4 mph SW | 89% | 0 | |
| 10 PM | Overcast | 70° | 74° | 28% | 4 mph SSW | 91% | 0 | |
| 11 PM | Overcast | 70° | 73° | 30% | 5 mph WSW | 90% | 0 |
Chicago hourly weather - Wednesday, August 19
In Chicago, expect a high near 78°F (26°C) around 2 PM and a low of 66°F (19°C) near 6 AM; precipitation risk peaks at 85% around 2 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Light rain shower | 69° | 71° | 46% | 8 mph SW | 93% | 0 | |
| 1 AM | Light rain shower | 68° | 68° | 78% | 10 mph SW | 96% | 0 | |
| 2 AM | Light rain shower | 66° | 64° | 85% | 13 mph W | 95% | 0 | |
| 3 AM | Mist | 66° | 68° | 45% | 6 mph SSW | 96% | 0 | |
| 4 AM | Mist | 66° | 70° | 34% | 3 mph W | 96% | 0 | |
| 5 AM | Light rain shower | 66° | 70° | 74% | 3 mph WNW | 96% | 0 | |
| 6 AM | Mist | 66° | 68° | 39% | 4 mph SW | 97% | 0 | |
| 7 AM | Light rain shower | 66° | 68° | 69% | 4 mph SW | 95% | 0 | |
| 8 AM | Cloudy | 66° | 68° | 27% | 5 mph SW | 93% | 1 | |
| 9 AM | Partly Cloudy | 68° | 70° | 21% | 4 mph SW | 89% | 2 | |
| 10 AM | Patchy rain nearby | 71° | 74° | 21% | 4 mph WSW | 81% | 4 | |
| 11 AM | Patchy rain nearby | 75° | 78° | 17% | 4 mph W | 69% | 5 | |
| 12 PM | Patchy rain nearby | 76° | 78° | 36% | 5 mph WNW | 68% | 6 | |
| 1 PM | Light rain shower | 77° | 79° | 42% | 6 mph NNW | 63% | 5 | |
| 2 PM | Patchy rain nearby | 78° | 80° | 12% | 6 mph NNE | 59% | 5 | |
| 3 PM | Patchy rain nearby | 77° | 76° | 17% | 9 mph NNE | 64% | 4 | |
| 4 PM | Patchy rain nearby | 75° | 75° | 23% | 8 mph NNE | 66% | 3 | |
| 5 PM | Overcast | 75° | 75° | 15% | 7 mph NNE | 63% | 1 | |
| 6 PM | Patchy rain nearby | 73° | 73° | 21% | 6 mph NE | 67% | 1 | |
| 7 PM | Partly Cloudy | 71° | 71° | 9% | 6 mph NE | 72% | 0 | |
| 8 PM | Clear | 69° | 70° | 8% | 4 mph NE | 76% | 0 | |
| 9 PM | Clear | 69° | 70° | 8% | 4 mph NE | 77% | 0 | |
| 10 PM | Clear | 69° | 71° | 8% | 3 mph NE | 76% | 0 | |
| 11 PM | Clear | 69° | 71° | 8% | 2 mph NE | 76% | 0 |
Chicago hourly weather - Thursday, August 20
In Chicago, expect a high near 80°F (27°C) around 2 PM and a low of 66°F (19°C) near 6 AM; precipitation risk peaks at 20% around 6 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 69° | 72° | 8% | 1 mph N | 77% | 0 | |
| 1 AM | Cloudy | 68° | 70° | 18% | 2 mph NNW | 77% | 0 | |
| 2 AM | Clear | 68° | 69° | 8% | 4 mph NW | 77% | 0 | |
| 3 AM | Clear | 67° | 68° | 9% | 4 mph NNW | 78% | 0 | |
| 4 AM | Clear | 66° | 68° | 10% | 3 mph NNE | 79% | 0 | |
| 5 AM | Partly Cloudy | 66° | 68° | 13% | 3 mph NNE | 79% | 0 | |
| 6 AM | Overcast | 66° | 67° | 20% | 2 mph N | 78% | 0 | |
| 7 AM | Overcast | 68° | 68° | 20% | 4 mph NNE | 74% | 0 | |
| 8 AM | Overcast | 68° | 69° | 18% | 4 mph N | 69% | 1 | |
| 9 AM | Overcast | 72° | 70° | 12% | 4 mph NNE | 53% | 2 | |
| 10 AM | Sunny | 75° | 72° | 2% | 4 mph NE | 41% | 3 | |
| 11 AM | Sunny | 78° | 75° | 1% | 4 mph NE | 34% | 5 | |
| 12 PM | Sunny | 80° | 75° | 1% | 6 mph ENE | 30% | 6 | |
| 1 PM | Sunny | 80° | 75° | 0% | 7 mph ENE | 30% | 6 | |
| 2 PM | Sunny | 80° | 75° | 0% | 8 mph ENE | 30% | 6 | |
| 3 PM | Sunny | 80° | 75° | 0% | 8 mph E | 30% | 5 | |
| 4 PM | Sunny | 80° | 75° | 0% | 6 mph E | 29% | 3 | |
| 5 PM | Sunny | 79° | 75° | 1% | 6 mph ESE | 30% | 2 | |
| 6 PM | Sunny | 78° | 74° | 1% | 5 mph ESE | 34% | 1 | |
| 7 PM | Sunny | 75° | 74° | 1% | 3 mph ESE | 44% | 0 | |
| 8 PM | Clear | 74° | 73° | 2% | 3 mph SSE | 49% | 0 | |
| 9 PM | Clear | 72° | 73° | 3% | 3 mph S | 57% | 0 | |
| 10 PM | Clear | 72° | 73° | 4% | 3 mph SSW | 65% | 0 | |
| 11 PM | Clear | 71° | 73° | 6% | 3 mph SW | 70% | 0 |
Quick answers for the hours ahead
What is the warmest hour in Chicago today?
Will it rain in Chicago tonight?
When is the UV index highest in Chicago today?
Chicago hour-by-hour: what to expect
Over the next 24 hours in Chicago, temperatures range from 66°F (19°C) around 6 AM up to 80°F (26°C) near 12 PM - right in line with the typical August high of 80°F (26°C).
Precipitation is a real possibility: the chance of rain peaks at 85% around 2 AM. UV reaches 7 (12 PM) - sun protection recommended through midday.
The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the Chicago 14-day forecast or the monthly climate averages.