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

Critical Fire Weather Conditions with Incoming Arctic Blast

Low pressure strengthening along the eastern seaboard will develop strong and gusty northwesterly winds through this afternoon. As it does so, it will push a very dry and cold arctic airmass into our region Tonight, resulting in strong winds & critical Fire Weather conditions and may lead extreme fire behavior and rapid spread of any existing or newly ignited wildfires. Don't be the Spark! Read More >

Hazardous Weather Conditions

Current conditions at

Mayport Naval Station - Adm David L. McDonald Field (KNRB)

Lat: 30.4°NLon: 81.42°WElev: 13ft.

Fair

47°F

8°C

Humidity 37%
Wind Speed NW 20 G 28 mph
Barometer 30.11 in (1019.4 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 23 Feb 12:52 am EST
Extended Forecast for

Neptune Beach FL

Fire Weather Watch February 23, 01:00pm until February 23, 07:00pm
Cold Weather Advisory February 24, 02:00am until February 24, 09:00am
Cold Weather Advisory February 23, 04:00am until February 23, 09:00am
Freeze Warning February 24, 12:00am until February 24, 09:00am
Click here for hazard details and duration
Fire Weather Watch
Cold Weather Advisory
Cold Weather Advisory
Freeze Warning

  • Overnight

    Overnight: Clear, with a low around 37. Wind chill values as low as 29. Very windy, with a northwest wind around 26 mph, with gusts as high as 29 mph.

    Low: 37 °F

    Clear and
    Very Windy

  • Monday

    Monday: Sunny, with a high near 47. Wind chill values as low as 25 early. Very windy, with a northwest wind 18 to 26 mph, with gusts as high as 29 mph.

    High: 47 °F

    Sunny and
    Very Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 35. Windy, with a northwest wind 17 to 22 mph.

    Low: 35 °F

    Mostly Clear
    and Windy

  • Tuesday

    Tuesday: Sunny, with a high near 51. Wind chill values as low as 26 early. Northwest wind 6 to 14 mph becoming south in the afternoon.

    High: 51 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40. Southwest wind 6 to 10 mph.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69. Breezy.

    High: 69 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 37. Wind chill values as low as 29. Very windy, with a northwest wind around 26 mph, with gusts as high as 29 mph.
Monday
Sunny, with a high near 47. Wind chill values as low as 25 early. Very windy, with a northwest wind 18 to 26 mph, with gusts as high as 29 mph.
Monday Night
Mostly clear, with a low around 35. Windy, with a northwest wind 17 to 22 mph.
Tuesday
Sunny, with a high near 51. Wind chill values as low as 26 early. Northwest wind 6 to 14 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 40. Southwest wind 6 to 10 mph.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 69. Breezy.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Friday
Showers likely, mainly after 1pm. Partly sunny, with a high near 69. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 64.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Neptune Beach FL
 30.32°N 81.38°W
Last Update:
1:01 am EST Feb 23, 2026
Forecast Valid:
1am EST Feb 23, 2026-6pm EST Mar 1, 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