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