The high/low temperatures vary over our season:

  • 47°F / 63°F (8°C / 17°C) on May 20
  • 63°F / 77°F (17°C / 25°C) on July 24
  • 48°F / 62°F (8°C / 17°C) on September 20

Just across the bay from us on Flag Island is a private weather station, Lighthouse, that makes it's real-time observations and history available through the Weather Underground. This is a best effort service and is not always online.

The Weather Underground also has a 10-day forecast page for Oak Island note the daily real-time information for this page defaults back to Warroad, MN as there is no real-time measurements on Oak Island).

Weather Spark has taken the data from a government weather monitoring station on Flag Island and consolidated it into average weather by day and hour for Flag Island. It does not provide real-time data.

Average High and Low Temperature

Average High and Low Temperature at Flag Island warm cold cold Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -20°F -20°F 0°F 0°F 20°F 20°F 40°F 40°F 60°F 60°F 80°F 80°F 100°F 100°F Jan 15 13°F -4°F Mar 3 26°F 7°F May 24 64°F 48°F Jul 24 77°F 63°F Sep 17 64°F 51°F Nov 29 26°F 14°F
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures. (From Weather Spark)