Live Weather & Forecast

Weather in Deerfield

Illinois, United States · Real-time conditions & 3-day outlook

Flag of United States
Clear
14°C
Feels like 13°C
58°F / Feels 56°F
Clear
Deerfield, Illinois
🌙 Nighttime
Updated: 2026-04-12 06:00
💧
Humidity
67%
💨
Wind
16.9 km/h S
🌬️
Wind Gust
35.5 km/h
🌡️
Pressure
1017 mb
👁️
Visibility
16 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
25%
💦
Dew Point
7.8°C
🌐
Wind Degree
181°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
207.9 μg/m³
NO₂
9 μg/m³
O₃
93 μg/m³
SO₂
5.2 μg/m³
PM 2.5
9.2 μg/m³
PM 10
9.5 μg/m³

Weather Alerts 5

Met · Severe · Immediate
Flood Warning issued April 11 at 10:46AM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting Kane, Lake IL and McHenry Counties. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater...Minor flooding is occurring. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Fox River from Johnsburg downstream to Red Gate Road...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-11T10:46:00-05:00  ·  Expires: 2026-04-12T05:00:00-05:00
Met · Severe · Immediate
Flood Warning issued April 11 at 10:43AM CDT until April 12 at 7:00AM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois... Des Plaines River near Gurnee affecting Lake IL County. Des Plaines River near Russell affecting Lake IL County. For the Des Plaines River...including Gurnee...Minor flooding is occurring. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Des Plaines River from IL/WI state line downstream to US...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-11T10:43:00-05:00  ·  Expires: 2026-04-12T04:45:00-05:00
Met · Severe · Immediate
Flood Warning issued April 11 at 10:43AM CDT until April 12 at 1:00PM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois... Des Plaines River near Gurnee affecting Lake IL County. Des Plaines River near Russell affecting Lake IL County. For the Des Plaines River...including Gurnee...Minor flooding is occurring. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Des Plaines River from US-41 in Gurnee downstream to Tow...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-11T10:43:00-05:00  ·  Expires: 2026-04-12T04:45:00-05:00
Met · Severe · Immediate
Flood Warning issued April 11 at 9:24PM CDT until April 14 at 7:00PM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois...Indiana... Fox River at Algonquin Lock & Dam tailwater affecting Lake IL, McHenry and Kane Counties. Kankakee River at Dunns Bridge affecting Jasper and Porter Counties. Kankakee River at Shelby affecting Newton and Lake IN Counties. ...The Flood Warning is extended for the following rivers in Illinois... Des Plaines River...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-11T21:24:00-05:00  ·  Expires: 2026-04-12T15:30:00-05:00
Met · Severe · Immediate
Flood Warning issued April 11 at 9:24PM CDT until April 14 at 7:00PM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois...Indiana... Fox River at Algonquin Lock & Dam tailwater affecting Lake IL, McHenry and Kane Counties. Kankakee River at Dunns Bridge affecting Jasper and Porter Counties. Kankakee River at Shelby affecting Newton and Lake IN Counties. ...The Flood Warning is extended for the following rivers in Illinois... Des Plaines River...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-11T21:24:00-05:00  ·  Expires: 2026-04-12T15:30:00-05:00

Today's Hourly Forecast

24-hour breakdown for Deerfield, Illinois

12 AM
Clear
9°
Clear
💧 79% 💨 15.8 km/h
1 AM
Clear
9°
Clear
💧 69% 💨 13.7 km/h
2 AM
Clear
9°
Clear
💧 72% 💨 15.1 km/h
3 AM
Clear
10°
Clear
💧 73% 💨 15.1 km/h
4 AM
Clear
10°
Clear
💧 71% 💨 15.1 km/h
5 AM
Clear
11°
Clear
💧 73% 💨 16.2 km/h
6 AM
Clear
14°
Clear
💧 67% 💨 16.9 km/h
7 AM
Sunny
13°
Sunny
💧 79% 💨 18.7 km/h
8 AM
Sunny
15°
Sunny
💧 72% 💨 20.5 km/h
9 AM
Sunny
17°
Sunny
💧 64% 💨 20.9 km/h
10 AM
Sunny
21°
Sunny
💧 57% 💨 20.2 km/h
11 AM
Sunny
23°
Sunny
💧 54% 💨 23.8 km/h
12 PM
Sunny
25°
Sunny
💧 51% 💨 24.8 km/h
1 PM
Sunny
25°
Sunny
💧 47% 💨 27 km/h
2 PM
Sunny
26°
Sunny
💧 44% 💨 27.7 km/h
3 PM
Sunny
26°
Sunny
💧 42% 💨 27.4 km/h
4 PM
Sunny
23°
Sunny
💧 45% 💨 29.9 km/h
5 PM
Overcast
22°
Overcast
💧 67% 💨 25.2 km/h
6 PM
Overcast
19°
Overcast
💧 70% 💨 20.5 km/h
7 PM
Light rain shower
18°
Light rain shower
💧 95% 💨 16.9 km/h 🌧️ 100%
8 PM
Overcast
17°
Overcast
💧 86% 💨 16.9 km/h
9 PM
Overcast
16°
Overcast
💧 97% 💨 23 km/h
10 PM
Heavy rain
16°
Heavy rain
💧 95% 💨 24.5 km/h 🌧️ 100%
11 PM
Overcast
16°
Overcast
💧 97% 💨 29.5 km/h

3-Day Forecast

Daily overview for Deerfield, Illinois

Today
Moderate rain
Moderate rain
27° / 8°
🌧️ 86% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 29.9 km/h
🌧️ Total precip: 8.74 mm
☀️ UV Index: 1
🌅 Sunrise: 06:15 AM
🌇 Sunset: 07:30 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Moderate rain
Moderate rain
21° / 14°
🌧️ 87% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 28.8 km/h
🌧️ Total precip: 12.44 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:13 AM
🌇 Sunset: 07:31 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Thundery outbreaks in nearby
Thundery outbreaks in nearby
23° / 17°
🌧️ 0% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 30.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1
🌅 Sunrise: 06:12 AM
🌇 Sunset: 07:32 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Deerfield

Plan your trip to Deerfield, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Deerfield 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Deerfield?
Current conditions in Deerfield: Clear, temperature 14°C, humidity 67%.
What is the best time to visit Deerfield?
The best time to visit Deerfield is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Deerfield?
Deerfield is located at approximately 42.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Deerfield?
The wettest period in Deerfield is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Deerfield?
For visits to Deerfield during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Deerfield in?
Deerfield is located in United States, in the state of Illinois.
What are the public holidays in Deerfield in 2026?
View the 2026 public holidays for Deerfield on our Holidays page.
What are the GPS coordinates used for the weather forecast in Deerfield?
The weather forecast for Deerfield uses coordinates 42.1711, -87.8445.