Live Weather & Forecast
Weather in Washington
Illinois, United States · Real-time conditions & 3-day outlook
11°C
Feels like 10°C
51°F / Feels 49°F
Sunny
Washington, Illinois
🌞 Daytime
Updated: 2026-04-12 07:00
Humidity
77%
Wind
9 km/h E
Wind Gust
14.6 km/h
Pressure
1030 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
4°C
Wind Degree
93°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
198.9 μg/m³
NO₂
8.4 μg/m³
O₃
95 μg/m³
SO₂
4.3 μg/m³
PM 2.5
7.1 μg/m³
PM 10
7.6 μg/m³
Today's Hourly Forecast
24-hour breakdown for Washington, Illinois
12 AM
12°
Clear
1 AM
11°
Clear
2 AM
11°
Clear
3 AM
10°
Clear
4 AM
9°
Clear
5 AM
9°
Clear
6 AM
9°
Clear
7 AM
11°
Sunny
8 AM
11°
Sunny
9 AM
12°
Sunny
10 AM
15°
Sunny
11 AM
17°
Sunny
12 PM
19°
Sunny
1 PM
20°
Sunny
2 PM
22°
Sunny
3 PM
23°
Sunny
4 PM
23°
Sunny
5 PM
20°
Sunny
6 PM
19°
Sunny
7 PM
17°
Sunny
8 PM
16°
Overcast
9 PM
15°
Partly Cloudy
10 PM
14°
Partly Cloudy
11 PM
13°
Clear
3-Day Forecast
Daily overview for Washington, Illinois
Today
Sunny
23°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 59%
💨 Max wind: 17.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:36 AM
🌇 Sunset: 07:43 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Partly Cloudy
27°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 24.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:34 AM
🌇 Sunset: 07:44 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
30°
/
19°
🌧️ 0% chance of rain
💧 Avg. humidity: 45%
💨 Max wind: 13.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 06:33 AM
🌇 Sunset: 07:45 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Washington
Plan your trip to Washington, 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
What is the current weather in Washington?
Current conditions in Washington: Sunny, temperature 11°C, humidity 77%.
What is the best time to visit Washington?
The best time to visit Washington is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Washington?
Washington is located at approximately 38.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Washington?
The wettest period in Washington is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Washington?
For visits to Washington during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Washington in?
Washington is located in United States, in the state of Illinois.
What are the public holidays in Washington in 2026?
View the 2026 public holidays for Washington on our Holidays page.
What are the GPS coordinates used for the weather forecast in Washington?
The weather forecast for Washington uses coordinates 38.895, -77.0365.