Current conditions at

Wilmington International Airport (KILM)

Lat: 34.27°NLon: 77.9°WElev: 23ft.

Fair

82°F

28°C

Humidity 94%
Wind Speed Calm
Barometer 29.98 in (1015.3 mb)
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 20 Aug 12:53 am EDT
Extended Forecast for

4 Miles NNW Topsail Beach NC

Heat Advisory August 20, 11:00am until August 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog between 7am and 8am.  Otherwise, mostly sunny, with a high near 92. Heat index values as high as 107. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 92 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 76. South wind around 6 mph becoming calm  in the evening.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 91. Heat index values as high as 106. Calm wind becoming south 5 to 9 mph in the afternoon.  Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  High near 89. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers.  Low around 71. Chance of precipitation is 80%.

    Low: 71 °F

    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 8am.  Partly sunny, with a high near 89. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 77. Calm wind.
Thursday
Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 92. Heat index values as high as 107. Calm wind becoming south 5 to 9 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 76. South wind around 6 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 91. Heat index values as high as 106. Calm wind becoming south 5 to 9 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 89. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 71. Chance of precipitation is 80%.
Sunday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 71.
Monday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Topsail Beach NC
 34.42°N 77.64°W (Elev. 30 ft)
6:04 pm EDT Aug 19, 2026
1am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
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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