Live Weather & Forecast
Weather in Walnut
Illinois, United States · Real-time conditions & 3-day outlook
16°C
Feels like 16°C
61°F / Feels 61°F
Clear
Walnut, Illinois
🌙 Nighttime
Updated: 2026-04-12 02:15
Humidity
78%
Wind
11.9 km/h S
Wind Gust
15.4 km/h
Pressure
1015 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
11.4°C
Wind Degree
174°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
164.9 μg/m³
NO₂
6.3 μg/m³
O₃
68 μg/m³
SO₂
2.6 μg/m³
PM 2.5
6.6 μg/m³
PM 10
9.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Walnut, Illinois
12 AM
16°
Partly Cloudy
1 AM
15°
Clear
2 AM
16°
Clear
3 AM
15°
Overcast
4 AM
14°
Overcast
5 AM
14°
Clear
6 AM
14°
Clear
7 AM
15°
Sunny
8 AM
16°
Sunny
9 AM
17°
Sunny
10 AM
16°
Cloudy
11 AM
15°
Light rain
12 PM
15°
Moderate rain
1 PM
16°
Patchy rain nearby
2 PM
17°
Patchy rain nearby
3 PM
17°
Partly Cloudy
4 PM
17°
Cloudy
5 PM
17°
Sunny
6 PM
17°
Sunny
7 PM
16°
Partly Cloudy
8 PM
15°
Clear
9 PM
15°
Cloudy
10 PM
15°
Partly Cloudy
11 PM
14°
Patchy rain nearby
3-Day Forecast
Daily overview for Walnut, Illinois
Today
Moderate rain
18°
/
13°
🌧️ 87% chance of rain
💧 Avg. humidity: 75%
💨 Max wind: 23.4 km/h
🌧️ Total precip: 5.43 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:24 AM
🌇 Sunset: 07:21 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Moderate rain
16°
/
12°
🌧️ 87% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 23 km/h
🌧️ Total precip: 10.24 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:23 AM
🌇 Sunset: 07:21 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
20°
/
12°
🌧️ 0% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 16.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:22 AM
🌇 Sunset: 07:22 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Walnut
Plan your trip to Walnut, 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.
Frequently Asked Questions
People also ask — answers optimized for search engines and voice queries.
What is the current weather in Walnut?
Current conditions in Walnut: Clear, temperature 16°C, humidity 78%.
What is the best time to visit Walnut?
The best time to visit Walnut is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Walnut?
Walnut is located at approximately 33.7° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Walnut?
The wettest period in Walnut is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Walnut?
For visits to Walnut during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Walnut in?
Walnut is located in United States, in the state of Illinois.
What are the public holidays in Walnut in 2026?
View the 2026 public holidays for Walnut on our Holidays page.
What are the GPS coordinates used for the weather forecast in Walnut?
The weather forecast for Walnut uses coordinates 33.7086, -117.7926.