Dec 07, 2019 · Guest post by Paul Dorian, Overview. The weather on Oahu, Hawaii in the early morning hours of Sunday, December 7 th, 1941 was not at all unusual for the time of year with mild temperatures and mainly clear skies.Unfortunately, the weather conditions on that particular day would play a role in the bombing of the U.S. naval base by Japanese fighter planes at Pearl Harbor near Honolulu, Hawaii.