Today’s Big Island Weather Forecast
Alerts
A Small Craft Advisory is posted for southern and west Big Island coastal waters and the ʻAlenuihāhā channel through 6 p.m. Tuesday for northeast winds up to 25 knots and seas up to 10 feet.
Check our breaking news section for any urgent weather alerts.
**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.**
Looking Ahead
Trades are expected to stay at moderate to locally fresh speeds through Tuesday. On Wednesday the winds are expected to strengthen once again to gusty levels. Meanwhile, a relatively dry and stable airmass will remain over the islands through the next several days.
Today
Today breezy conditions are expected with northeast winds from 10 to 25 mph. Showers are likely for windward and mauka spots in the morning with sunshine in the afternoon. The Kona side is expected to be dry with afternoon cloud build up. High temperatures from 81° to 86°.
UV index at 7 (“high” exposure level)
Tonight
Northeast winds are expected in the evening from 10 to 25 mph. Low temperatures from 70° to 75°. Mostly cloudy skies are expected in the evening with showers likely for windward spots. Leeward spots should be clearing as the night goes on.
Our Big Island Now Weather homepage always includes daily: Sunrise | Sunset | Moonrise | Moonset | Moon Phase | Live Weather Cams | 5-day Forecast | Current Temperature & Conditions
**Click here for your detailed Big Island surf report.**
Image: NOAA / NWS
Image: NOAA / NWS
Image: NOAA / NWS
Image: NOAA / NWS
Image: NOAA / NWS
Image: NOAA / NWS
Image: NOAA / NWS
Image: NOAA / NWS
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