Live Weather & Forecast

Weather in Jacksonville

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

Flag of United States
Fog
17°C
Feels like 17°C
62°F / Feels 62°F
Fog
Jacksonville, Illinois
🌞 Daytime
Updated: 2026-04-12 08:45
💧
Humidity
90%
💨
Wind
4 km/h E
🌬️
Wind Gust
6.9 km/h
🌡️
Pressure
1027 mb
👁️
Visibility
16 km
☀️
UV Index
0.3 (Low)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
25%
💦
Dew Point
13°C
🌐
Wind Degree
80°

Air Quality Index

US EPA: Good UK DEFRA: Low (2)
CO
140.9 μg/m³
NO₂
3.5 μg/m³
O₃
124 μg/m³
SO₂
4.5 μg/m³
PM 2.5
12.9 μg/m³
PM 10
17.5 μg/m³

Weather Alerts 3

Met · Moderate · Expected
Rip Current Statement issued April 11 at 1:47PM EDT until April 13 at 5:00AM EDT by NWS Jacksonville FL

* WHAT...Dangerous rip currents. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...Through late Sunday night. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

Effective: 2026-04-11T13:47:00-04:00  ·  Expires: 2026-04-12T10:00:00-04:00
Met · Moderate · Expected
Rip Current Statement issued April 11 at 11:13PM EDT until April 13 at 5:00AM EDT by NWS Jacksonville FL

* WHAT...Dangerous rip currents and rough surf. * WHERE...Southeast Georgia and Northeast Florida Beaches. * WHEN...Through late Sunday night. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

Effective: 2026-04-11T23:13:00-04:00  ·  Expires: 2026-04-12T17:00:00-04:00
Met · Moderate · Expected
Special Weather Statement issued April 12 at 5:07AM EDT by NWS Jacksonville FL

Locally dense fog is expected across coastal Southeast Georgia and coastal Northeast Florida early this morning. Visibilities of 1/2 mile or less can be expected along the I-95 and US-17 corridors through sunrise, and as far inland as the US-301 highway corridor. Visibilities will begin to improve between 8am and 9am this morning. Fog could also be increasingly dense near areas of smoke produced...

Effective: 2026-04-12T05:07:00-04:00  ·  Expires: 2026-04-12T09:00:00-04:00

Today's Hourly Forecast

24-hour breakdown for Jacksonville, Illinois

12 AM
Clear
17°
Clear
💧 85% 💨 7.9 km/h
1 AM
Clear
16°
Clear
💧 88% 💨 7.2 km/h
2 AM
Clear
15°
Clear
💧 88% 💨 6.8 km/h
3 AM
Clear
15°
Clear
💧 86% 💨 6.1 km/h
4 AM
Clear
15°
Clear
💧 85% 💨 5.8 km/h
5 AM
Clear
14°
Clear
💧 87% 💨 4.3 km/h
6 AM
Clear
13°
Clear
💧 89% 💨 4.3 km/h
7 AM
Partly Cloudy
13°
Partly Cloudy
💧 93% 💨 5 km/h
8 AM
Fog
17°
Fog
💧 90% 💨 4 km/h
9 AM
Partly Cloudy
20°
Partly Cloudy
💧 78% 💨 10.1 km/h
10 AM
Sunny
22°
Sunny
💧 58% 💨 14.4 km/h
11 AM
Sunny
24°
Sunny
💧 53% 💨 14.4 km/h
12 PM
Sunny
26°
Sunny
💧 52% 💨 15.5 km/h
1 PM
Sunny
27°
Sunny
💧 48% 💨 16.9 km/h
2 PM
Sunny
27°
Sunny
💧 49% 💨 18.4 km/h
3 PM
Sunny
26°
Sunny
💧 49% 💨 18.7 km/h
4 PM
Sunny
26°
Sunny
💧 50% 💨 18.4 km/h
5 PM
Sunny
25°
Sunny
💧 51% 💨 18 km/h
6 PM
Sunny
24°
Sunny
💧 63% 💨 16.6 km/h
7 PM
Sunny
22°
Sunny
💧 67% 💨 14.8 km/h
8 PM
Clear
21°
Clear
💧 78% 💨 10.4 km/h
9 PM
Clear
20°
Clear
💧 76% 💨 9 km/h
10 PM
Partly Cloudy
20°
Partly Cloudy
💧 78% 💨 7.9 km/h
11 PM
Clear
19°
Clear
💧 80% 💨 7.9 km/h

3-Day Forecast

Daily overview for Jacksonville, Illinois

Today
Sunny
Sunny
29° / 13°
🌧️ 0% chance of rain
💧 Avg. humidity: 72%
💨 Max wind: 18.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.4
🌅 Sunrise: 07:03 AM
🌇 Sunset: 07:53 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Cloudy
Cloudy
26° / 18°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 16.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.4
🌅 Sunrise: 07:02 AM
🌇 Sunset: 07:53 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
Partly Cloudy
28° / 18°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 18 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.5
🌅 Sunrise: 07:01 AM
🌇 Sunset: 07:54 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Jacksonville

Plan your trip to Jacksonville, 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 Jacksonville 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Jacksonville?
Current conditions in Jacksonville: Fog, temperature 17°C, humidity 90%.
What is the best time to visit Jacksonville?
The best time to visit Jacksonville is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Jacksonville?
Jacksonville is located at approximately 30.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Jacksonville?
The wettest period in Jacksonville is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Jacksonville?
For visits to Jacksonville during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Jacksonville in?
Jacksonville is located in United States, in the state of Illinois.
What are the public holidays in Jacksonville in 2026?
View the 2026 public holidays for Jacksonville on our Holidays page.
What are the GPS coordinates used for the weather forecast in Jacksonville?
The weather forecast for Jacksonville uses coordinates 30.3322, -81.6557.