Honolulu is starting Wednesday clear and calm, with temperatures in the mid-70s before the island heats up toward a high near 88 degrees. The weather turns more humid and unsettled this afternoon, when scattered showers could develop across Oahu and the heat index may reach 96 degrees.
The shift is a noticeable cooldown in drama after Tuesday’s storm-related weather, as weakened Tropical Storm Lowell pulls farther away from the islands. Honolulu should see mostly sunny breaks between showers, while the National Weather Service keeps a Flood Watch in effect through this afternoon for the Big Island, not Oahu.
Showers Arrive As Afternoon Heat Builds
Wednesday’s rain chance is about 30%, with most new rainfall expected to stay below a tenth of an inch. Winds will remain light at 1 to 7 mph from the east-southeast, so brief downpours may pop up with little warning as temperatures climb through late morning and afternoon.
Wednesday night stays mostly cloudy with scattered showers, a low near 77 degrees and east-northeast winds of 6 to 12 mph. The latest outlook from the National Weather Service Honolulu calls for another 30% chance of rain overnight.
Trade Winds Strengthen Thursday
Thursday brings a slightly cooler high near 86 degrees, but east winds will strengthen to 9 to 16 mph and could gust as high as 23 mph. Scattered showers remain possible, with mostly sunny intervals during the day and isolated showers lingering before midnight.
Friday and Saturday should stay warm near 86 degrees with breezy east-northeast winds and passing showers. Sunday looks more unsettled, with a 50% chance of rain, followed by a 40% chance Monday and Tuesday.
South Shore Stays Choppy
Beach plans may also run into lingering ocean chop, especially along south-facing shores, where swells left behind by Lowell will gradually fade. East-facing beaches should remain near seasonal surf levels through Friday, while north-facing surf is expected to become tiny Thursday as the storm-related swell disappears.
The forecast is a quieter follow-up to Tuesday’s storm coverage, but Honolulu residents should still keep a light rain layer handy for afternoon errands and outdoor plans.
