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Clouds but High UV Risk Today in Wilmington
April 18, 2026
weather, forecast
Wilmington, North Carolina — Overcast expected today with a high of 86°F and a low of 63°F.
Today's Forecast — Saturday, April 18
- Conditions: Overcast
- High / Low: 86°F / 63°F
- Wind: S 13 mph, gusts to 23 mph
- Precipitation: 0% chance
- UV Index: 7.8 — Very High — limit outdoor exposure
- Sunrise / Sunset: 05:36 / 18:45
- Daylight: 13.2 hours
What Matters Most Today
- Sun safety: UV index reaches 7.8; sunscreen still matters even with cloud cover.
- Best outdoor window: Morning (lowest average rain risk).
Comfort & Conditions
- Humidity: 58%
- Dew Point: Up to 66°F — muggy conditions
Hour-by-Hour Breakdown
- Morning (6AM–Noon): Clear sky, 74°F, 65% humidity
- Afternoon (Noon–6PM): Clear sky, 84°F, winds 12 mph, 43% humidity
- Evening (6PM–Midnight): Clear sky, 72°F, winds 10 mph, 79% humidity
Air Quality & Allergens
- Air Quality Index: 56 (peak 87) — Moderate
- Acceptable air quality; some pollutants may be a concern for sensitive individuals.
- PM2.5: 8.8 µg/m³
Tomorrow's Outlook
Overcast with a high of 84°F and a low of 51°F. 29% chance of precipitation.
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.