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

Palatka Kay Larkin Field (K28J)

Lat: 29.66°NLon: 81.69°WElev: 48ft.

Fair

81°F

27°C

Humidity 89%
Wind Speed SW 7 mph
Barometer 30.02 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 19 Jun 7:55 am EDT
Extended Forecast for

San Mateo FL

  • Juneteenth

    Juneteenth: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 94. Heat index values as high as 107. Southwest wind 8 to 14 mph, with gusts as high as 21 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 75. Southwest wind 3 to 8 mph.

    Low: 75 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms. High near 91. Heat index values as high as 106. West wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 73. Calm wind. Chance of precipitation is 80%.

    Low: 73 °F

    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 92. Light and variable wind. Chance of precipitation is 60%.

    High: 92 °F

    Mostly Sunny
    then T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

Juneteenth
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 94. Heat index values as high as 107. Southwest wind 8 to 14 mph, with gusts as high as 21 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 75. Southwest wind 3 to 8 mph.
Saturday
Showers and thunderstorms. High near 91. Heat index values as high as 106. West wind 3 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 73. Calm wind. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 92. Light and variable wind. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 60%.
Monday
Mostly sunny and hot, with a high near 95.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Mateo FL
 29.6°N 81.57°W
Last Update:
2:21 am EDT Jun 19, 2026
Forecast Valid:
8am EDT Jun 19, 2026-6pm EDT Jun 25, 2026
 
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