Trade Wind Weather Pattern Expected
Alerts
A Small Craft Advisory is posted for the ʻAlenuihāhā channel as well as waters to the south and west of the Big Island through 6:00 p.m. Tuesday for east winds up to to 30 knots and rough seas up to 14 feet. Inexperienced mariners should avoid navigating in these conditions.
**Click directly on the images below to make them larger. Charts include: Big Island high/low forecasted temperatures, projected winds, chance of cloud cover, projected localized weather conditions, vog/SO2 forecast and expected wave heights.**
Today
Partly to mostly cloudy skies are in the forecast with windward showers likely in the morning. Mostly clear skies are expected for leeward areas in the morning with building cloud cover and scattered showers in the afternoon. Trade winds are forecasted from 10 to 25 mph. High temperatures from 80° to 85°.
UV index at 11 (“extreme” exposure level)
Tonight
The windward side is forecasted to get mostly cloudy skies and showers are likely. Leeward spots are expected to get mostly cloudy skies and scattered showers in the evening, then clearing. Trade winds are forecasted from 10 to 25 mph. Low temperatures from 68° to 73° are expected.
Looking Ahead
Seasonable and locally breezy trade winds are expected through the upcoming week, with passing clouds and showers favoring mainly the windward and mountain areas. Showers will be most active during the night and morning hours, and are forecasted to occasionally spread leeward on the smaller islands. The Kona slopes will have a few afternoon showers each day.
Our Big Island Now Weather homepage always includes daily: Sunrise | Sunset | Moonrise | Moonset | Moon Phase | Live Weather Cams | 5-day Forecast | Current Temperature & Conditions