Weather Forecast for Lanai

Hawaii, United States of America

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Overcast

Current Weather - Lanai: 23°C

Hawaii, United States of America

Overcast

Feels like 21°C

Wind

25 km/h ENE

Humidity

75%

Pressure

1009 mb

UV Index

0

Visibility

10 km

Overcast

Overcast

Sunday, September 27, 2026

High

26°C

Low

23°C

Rain Chance

13%

Hourly Forecast

Overcast 26°C
14:00
Overcast 26°C
15:00
Overcast 26°C
16:00
Overcast 26°C
17:00
Overcast 25°C
18:00
Overcast 25°C
19:00
Cloudy 25°C
20:00
Partly Cloudy 25°C
21:00
Partly Cloudy 24°C
22:00
Clear 24°C
23:00
Sep 28

Day Statistics

Maximum Wind

26 km/h

Humidity

68%

Precipitation

0 mm

UV Index

11

Visibility

10 km

Rain Chance

13%

Snow Chance

0%

Sun & Moon

Sunrise

06:17 AM

Sunset

06:19 PM

Moonrise

07:00 PM

Moonset

07:14 AM

Moon Phase

Waning Gibbous

Moon Illumination

96%

Air Quality

PM2.5

13.2

μg/m³

PM10

21.6

μg/m³

NO₂

0.2

μg/m³

O₃

67.1

μg/m³

SO₂

0.2

μg/m³

CO

100.6

μg/m³

US EPA Index: 1 GB DEFRA Index: 2

Weather Alerts

Tropical Storm Watch issued September 26 at 11:01AM HST by NWS Honolulu HI

Lanai Leeward Sep 26, 11:01 AM - Sep 26, 07:15 PM
Severity: Severe Urgency: Future

* LOCATIONS AFFECTED - Kaumalapau Harbor * WIND - LATEST LOCAL FORECAST: Equivalent Tropical Storm force wind - Peak Wind Forecast: 35-45 mph with gusts to 65 mph - Window for Tropical Storm force winds: until Sunday afternoon - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for wind 39 to 57 mph - The wind threat has remained nearly steady from the previous assessment. - PLAN: Plan for hazardous wind of equivalent tropical storm force. - PREPARE: Last minute efforts to protect property should now be complete. The area remains subject to limited wind damage. - ACT: Now is the time to shelter from hazardous wind. - POTENTIAL IMPACTS: Unfolding - Potential impacts from the main wind event are unfolding. * STORM SURGE - No storm surge inundation forecast - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Little to no storm surge flooding - The storm surge threat has remained nearly steady from the previous assessment. - PLAN: There is little to no threat of storm surge flooding. Rough surf, coastal erosion, and life-threatening rip currents are possible. - PREPARE: Little to no preparations for storm surge flooding are needed. - ACT: Follow the instructions of local officials. Monitor forecasts. - POTENTIAL IMPACTS: Little to None - Little to no potential impacts from storm surge flooding. * FLOODING RAIN - LATEST LOCAL FORECAST: Flood Watch is in effect - Peak Rainfall Amounts: No additional significant rainfall forecast - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Little or no potential for flooding rain - The flooding rain threat has remained nearly steady from the previous assessment. - PLAN: There is little or no potential for flooding rain. - PREPARE: Little to no preparations are needed to protect against flooding rain at this time. - ACT: Monitor for changes to the forecast. - POTENTIAL IMPACTS: Little to None - Little to no potential impacts from flooding rain. * TORNADO - LATEST LOCAL FORECAST: - Situation is unfavorable for tornadoes - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Tornadoes not expected - The tornado threat has remained nearly steady from the previous assessment. - PLAN: Tornadoes are not expected. Showers and thunderstorms with gusty winds may still occur. - PREPARE: Little to no preparations needed to protect against tornadoes at this time. Keep informed of the latest tornado situation. - ACT: Listen for changes in the forecast. - POTENTIAL IMPACTS: Little to None - Little to no potential impacts from tornadoes. * FOR MORE INFORMATION: - https://www.weather.gov/hfo

Event: Tropical Storm Watch Certainty: Possible Category: Met