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7-Day Outlook: Today Brings Wilmington's Best Storm Chance

September 11, 2026 weather, forecast
7-Day Outlook: Today Brings Wilmington's Best Storm Chance

Wilmington, North Carolina — The next seven days bring highs ranging from 86°F to 90°F, lows from 69°F to 74°F, rain chances focused on Today, Saturday and Sunday.

⚠️ Active Weather Alerts

  • 🔵 Coastal Flood Advisory: Coastal Flood Advisory issued September 11 at 2:50AM EDT until September 11 at 12:00PM 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.

What Matters Most This Week

  • Warmest day: Today, with a high near 90°F.
  • Coolest morning: Tuesday, with a low near 69°F.
  • Rain chances: NWS indicates the best chances on Today, Saturday and Sunday.
  • Storm watch: Thunderstorm chances appear in the forecast on Today, Saturday, Sunday and Monday.
  • Sun safety: UV runs high on Today, Saturday, Sunday and Monday and other days.

7-Day Forecast

DayConditionsHigh / LowRainPeak Gust
Today
9/11
Chance Showers And Thunderstorms90° / 74°40%19 mph
Saturday
9/12
Chance Showers And Thunderstorms88° / 74°61%19 mph
Sunday
9/13
Chance Showers And Thunderstorms89° / 73°85%21 mph
Monday
9/14
Slight Chance Showers And Thunderstorms90° / 71°17%24 mph
Tuesday
9/15
Sunny86° / 69°9%20 mph
Wednesday
9/16
Sunny86° / 69°8%20 mph
Thursday
9/17
Sunny87° / 69°9%20 mph

Today's Details — Friday, September 11

  • Conditions: Chance Showers And Thunderstorms
  • High / Low: 90°F / 74°F
  • Wind: SSW 10 mph, gusts to 19 mph
  • Precipitation: 40% chance (National Weather Service forecast)
  • UV Index: 6.45 — High — sunscreen recommended
  • Sunrise / Sunset: 05:52 / 18:23
  • Daylight: 12.5 hours (8.0 hours of sunshine expected)

What Matters Most Today

  • Sun safety: UV index reaches 6.45; sunscreen still matters even with cloud cover.
  • Best outdoor window: Morning (lowest average rain risk).

Comfort & Conditions

  • Humidity: 76%
  • Dew Point: Up to 76°F — muggy conditions

Hour-by-Hour Breakdown

  • Morning (6AM–Noon): Overcast, 80°F, 82% humidity
  • Afternoon (Noon–6PM): Mainly clear, 87°F, 18% chance of precipitation, 66% humidity
  • Evening (6PM–Midnight): Clear sky, 80°F, 87% humidity

Air Quality & Allergens

  • Air Quality Index: 40 (peak 50) — Good
  • PM2.5: 8.2 µg/m³

Temperatures, conditions, and precipitation chances use National Weather Service forecast guidance. Open-Meteo supplies supplemental wind, UV, humidity, and air-quality fields; its precipitation totals are not used. For weather alerts, visit your local National Weather Service office.

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