National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat Wave from the Midwest to East Coast

A large ridge of high pressure extending from the Central to Eastern U.S. will deliver a dangerous summer heat wave through the weekend. Widespread excessive heat warnings and heat advisories already cover the Eastern two-thirds of the country. A number of record highs and overnight warm minimum temperatures are likely. Heat indices will surge past 100 degrees and approach the 110s. Heat Safety! Read More >

Current conditions at

Jacksonville International Airport (KJAX)

Lat: 30.5°NLon: 81.69°WElev: 23ft.

Mostly Cloudy

89°F

32°C

Humidity 61%
Wind Speed SW 6 mph
Barometer 30.10 in (1019.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 19 Jul 10:56 am EDT
Extended Forecast for

Jacksonville International Airport FL

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 93. Heat index values as high as 102. Southwest wind around 6 mph becoming south in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 93 °F

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 76. South wind around 6 mph becoming calm in the evening.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 76 °F

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 102. Southwest wind 3 to 6 mph.

    Mostly Sunny
    then Chance
    T-storms

    High: 94 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. South wind 5 to 7 mph.

    Chance
    T-storms then
    Partly Cloudy

    Low: 75 °F

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Light and variable wind becoming south around 5 mph in the afternoon.

    Mostly Sunny
    then Chance
    T-storms

    High: 95 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.

    Chance
    T-storms then
    Partly Cloudy

    Low: 74 °F

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.

    Chance
    T-storms

    High: 95 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.

    Slight Chance
    T-storms

    Low: 74 °F

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.

    Chance
    Showers

    High: 93 °F

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 93. Heat index values as high as 102. Southwest wind around 6 mph becoming south in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 76. South wind around 6 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 102. Southwest wind 3 to 6 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. South wind 5 to 7 mph.
Sunday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Light and variable wind becoming south around 5 mph in the afternoon.
Sunday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.
Monday
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 92. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 91. Chance of precipitation is 70%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Jacksonville International Airport FL
 30.5°N 81.68°W
Last Update:
10:17 am EDT Jul 19, 2019
Forecast Valid:
11am EDT Jul 19, 2019-6pm EDT Jul 25, 2019
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation