Weather Forecast for Oahu

Hawaii, United States of America

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Light rain shower

Current Weather - Oahu: 24°C

Hawaii, United States of America

Light rain shower

Feels like 24°C

Wind

22 km/h SE

Humidity

85%

Pressure

1007 mb

UV Index

0

Visibility

10 km

Patchy rain nearby

Patchy rain nearby

Tuesday, September 08, 2026

High

28°C

Low

24°C

Rain Chance

81%

Hourly Forecast

Patchy rain nearby 28°C
13:00
Patchy rain nearby 28°C
14:00
Patchy rain nearby 28°C
15:00
Patchy rain nearby 28°C
16:00
Patchy rain nearby 27°C
17:00
Patchy rain nearby 26°C
18:00
Patchy rain nearby 25°C
19:00
Clear 25°C
20:00
Patchy rain nearby 25°C
21:00
Clear 24°C
22:00
Clear 24°C
23:00
Sep 09

Day Statistics

Maximum Wind

27 km/h

Humidity

82%

Precipitation

6 mm

UV Index

12

Visibility

10 km

Rain Chance

81%

Snow Chance

0%

Sun & Moon

Sunrise

06:17 AM

Sunset

06:41 PM

Moonrise

03:31 AM

Moonset

05:02 PM

Moon Phase

Waning Crescent

Moon Illumination

6%

Air Quality

PM2.5

4.6

μg/m³

PM10

7.5

μg/m³

NO₂

1.2

μg/m³

O₃

25.4

μg/m³

SO₂

0.7

μg/m³

CO

103.7

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Weather Alerts

Tropical Storm Warning issued September 7 at 2:02PM HST by NWS Honolulu HI

Central Oahu Sep 7, 02:02 PM - Sep 7, 10:15 PM
Severity: Severe Urgency: Immediate

* LOCATIONS AFFECTED - Wahiawa - Mililani - Waipio * WIND - LATEST LOCAL FORECAST: Below tropical storm force wind - Peak Wind Forecast: 25-35 mph with gusts to 55 mph - 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. * FLOODING RAIN - LATEST LOCAL FORECAST: Flood Watch is in effect - Peak Rainfall Amounts: Additional 3-6 inches, with locally higher amounts - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for moderate flooding rain - The flooding rain threat has remained nearly steady from the previous assessment. - PLAN: Emergency plans should include the potential for moderate flooding from heavy rain. Evacuations and rescues are possible. - PREPARE: Consider protective actions if you are in an area vulnerable to flooding. - ACT: Heed any flood watches and warnings. Failure to take action may result in serious injury or loss of life. - POTENTIAL IMPACTS: Significant - Moderate rainfall flooding may prompt several evacuations and rescues. - Rivers and tributaries may quickly become swollen with swifter currents and overspill their banks in a few places, especially in usually vulnerable spots. Small streams, creeks, canals, arroyos, and ditches overflow. - Flood waters can enter some structures or weaken foundations. Several places may experience expanded areas of rapid inundation at underpasses, low-lying spots, and poor drainage areas. Some streets and parking lots take on moving water as storm drains and retention ponds overflow. Driving conditions become hazardous. Some road and bridge closures. * TORNADO - LATEST LOCAL FORECAST: - Situation is somewhat favorable for tornadoes - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for a few tornadoes - The tornado threat has remained nearly steady from the previous assessment. - PLAN: Emergency plans should continue to include possible tornadoes. - PREPARE: Stay within your shelter keeping informed of the latest tornado situation. - ACT: Move quickly to the safest place within your shelter if a tornado warning is issued. - POTENTIAL IMPACTS: Limited - The occurrence of isolated tornadoes can hinder the execution of emergency plans during tropical events. - A few places may experience tornado damage, along with power and communications disruptions. - Locations could realize roofs peeled off buildings, chimneys toppled, mobile homes pushed off foundations or overturned, large tree tops and branches snapped off, shallow-rooted trees knocked over, moving vehicles blown off roads, and small boats pulled from moorings. * FOR MORE INFORMATION: - https://www.weather.gov/hfo

Event: Tropical Storm Warning Certainty: Likely Category: Met

Tropical Storm Warning issued September 7 at 10:56AM HST by NWS Honolulu HI

Central Oahu Sep 7, 10:56 AM - Sep 7, 07:00 PM
Severity: Severe Urgency: Immediate

* LOCATIONS AFFECTED - Wahiawa - Mililani - Waipio * WIND - LATEST LOCAL FORECAST: Below tropical storm force wind - Peak Wind Forecast: 25-35 mph with gusts to 55 mph - 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. * FLOODING RAIN - LATEST LOCAL FORECAST: Flood Watch is in effect - Peak Rainfall Amounts: Additional 3-6 inches, with locally higher amounts - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for moderate flooding rain - The flooding rain threat has remained nearly steady from the previous assessment. - PLAN: Emergency plans should include the potential for moderate flooding from heavy rain. Evacuations and rescues are possible. - PREPARE: Consider protective actions if you are in an area vulnerable to flooding. - ACT: Heed any flood watches and warnings. Failure to take action may result in serious injury or loss of life. - POTENTIAL IMPACTS: Significant - Moderate rainfall flooding may prompt several evacuations and rescues. - Rivers and tributaries may quickly become swollen with swifter currents and overspill their banks in a few places, especially in usually vulnerable spots. Small streams, creeks, canals, arroyos, and ditches overflow. - Flood waters can enter some structures or weaken foundations. Several places may experience expanded areas of rapid inundation at underpasses, low-lying spots, and poor drainage areas. Some streets and parking lots take on moving water as storm drains and retention ponds overflow. Driving conditions become hazardous. Some road and bridge closures. * TORNADO - LATEST LOCAL FORECAST: - Situation is somewhat favorable for tornadoes - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for a few tornadoes - The tornado threat has remained nearly steady from the previous assessment. - PLAN: Emergency plans should continue to include possible tornadoes. - PREPARE: Stay within your shelter keeping informed of the latest tornado situation. - ACT: Move quickly to the safest place within your shelter if a tornado warning is issued. - POTENTIAL IMPACTS: Limited - The occurrence of isolated tornadoes can hinder the execution of emergency plans during tropical events. - A few places may experience tornado damage, along with power and communications disruptions. - Locations could realize roofs peeled off buildings, chimneys toppled, mobile homes pushed off foundations or overturned, large tree tops and branches snapped off, shallow-rooted trees knocked over, moving vehicles blown off roads, and small boats pulled from moorings. * FOR MORE INFORMATION: - https://www.weather.gov/hfo

Event: Tropical Storm Warning Certainty: Likely Category: Met

Tropical Storm Warning issued September 7 at 7:54AM HST by NWS Honolulu HI

Ewa Plain Sep 7, 07:54 AM - Sep 7, 04:00 PM
Severity: Severe Urgency: Immediate

A Tropical Storm Warning means tropical storm-force winds are expected somewhere within this area within the next 36 hours * LOCATIONS AFFECTED - Waikele - Kapolei - Ewa Beach - Iroquois Point * WIND - LATEST LOCAL FORECAST: Tropical storm force winds remain possible - Peak Wind Forecast: 25-35 mph with gusts to 40 mph - 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: Efforts to protect property should now be underway. Prepare for limited wind damage. - ACT: Act now to complete preparations before the wind becomes hazardous. - POTENTIAL IMPACTS: Limited - Damage to porches, awnings, carports, sheds, and unanchored mobile homes. Unsecured lightweight objects blown about. - Many large tree limbs broken off. A few trees snapped or uprooted, but with greater numbers in places where trees are shallow rooted. Some fences and roadway signs blown over. - A few roads impassable from debris, particularly within urban or heavily wooded places. Hazardous driving conditions on bridges and other elevated roadways. - Scattered power and communications outages. * 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: Additional 3-6 inches, with locally higher amounts - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for moderate flooding rain - The flooding rain threat has remained nearly steady from the previous assessment. - PLAN: Emergency plans should include the potential for moderate flooding from heavy rain. Evacuations and rescues are possible. - PREPARE: Consider protective actions if you are in an area vulnerable to flooding. - ACT: Heed any flood watches and warnings. Failure to take action may result in serious injury or loss of life. - POTENTIAL IMPACTS: Significant - Moderate rainfall flooding may prompt several evacuations and rescues. - Rivers and tributaries may quickly become swollen with swifter currents and overspill their banks in a few places, especially in usually vulnerable spots. Small streams, creeks, canals, arroyos, and ditches overflow. - Flood waters can enter some structures or weaken foundations. Several places may experience expanded areas of rapid inundation at underpasses, low-lying spots, and poor drainage areas. Some streets and parking lots take on moving water as storm drains and retention ponds overflow. Driving conditions become hazardous. Some road and bridge closures. * TORNADO - LATEST LOCAL FORECAST: - Situation is somewhat favorable for tornadoes - THREAT TO LIFE AND PROPERTY THAT INCLUDES TYPICAL FORECAST UNCERTAINTY IN TRACK, SIZE AND INTENSITY: Potential for a few tornadoes - The tornado threat has remained nearly steady from the previous assessment. - PLAN: Emergency plans should include the potential for a few tornadoes. - PREPARE: If your shelter is particularly vulnerable to tornadoes, prepare to relocate to safe shelter before hazardous weather arrives. - ACT: If a tornado warning is issued, be ready to shelter quickly. - POTENTIAL IMPACTS: Limited - The occurrence of isolated tornadoes can hinder the execution of emergency plans during tropical events. - A few places may experience tornado damage, along with power and communications disruptions. - Locations could realize roofs peeled off buildings, chimneys toppled, mobile homes pushed off foundations or overturned, large tree tops and branches snapped off, shallow-rooted trees knocked over, moving vehicles blown off roads, and small boats pulled from moorings. * FOR MORE INFORMATION: - https://www.weather.gov/hfo

Event: Tropical Storm Warning Certainty: Likely Category: Met