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Coastal Flood Advisory: Wilmington Area

May 18, 2026 weather, forecast
Coastal Flood Advisory: Wilmington Area

Wilmington, North Carolina — Mainly clear expected today with a high of 88°F and a low of 69°F.

⚠️ Active Weather Alerts

  • 🔵 Coastal Flood Advisory: Coastal Flood Advisory issued May 18 at 5:23AM EDT until May 19 at 2:00AM EDT by NWS Wilmington NC
  • If travel is required, allow extra time as some roads may be
    closed. Do not drive around barricades or through water of
    unknown depth. Take the necessary actions to protect flood-prone
    property.

Today's Forecast — Monday, May 18

  • Conditions: Mainly clear
  • High / Low: 88°F / 69°F
  • Wind: S 13 mph, gusts to 20 mph
  • Precipitation: 1% chance
  • UV Index: 8.2 — Very High — limit outdoor exposure
  • Sunrise / Sunset: 05:07 / 19:08
  • Daylight: 14.0 hours (12.8 hours of sunshine expected)

What Matters Most Today

  • Feels-like swing: up to 98°F.
  • Sun safety: UV index reaches 8.2; sunscreen still matters even with cloud cover.
  • Best outdoor window: Morning (lowest average rain risk).

Comfort & Conditions

  • Feels Like: 73°F to 98°F (wind chill / heat index)
  • Humidity: 69%
  • Dew Point: Up to 72°F — muggy conditions

Hour-by-Hour Breakdown

  • Morning (6AM–Noon): Mainly clear, 80°F, 76% humidity
  • Afternoon (Noon–6PM): Clear sky, 85°F, winds 12 mph, 59% humidity
  • Evening (6PM–Midnight): Clear sky, 73°F, 80% humidity

Air Quality & Allergens

  • Air Quality Index: 57 (peak 58) — Moderate
  • Acceptable air quality; some pollutants may be a concern for sensitive individuals.
  • PM2.5: 23.9 µg/m³

Tomorrow's Outlook

Clear sky with a high of 85°F and a low of 65°F.

Forecast data provided by Open-Meteo. Air quality data from Open-Meteo Air Quality API. For severe weather alerts, visit your local National Weather Service office.