Hawaii · NWS HFO office

Honolulu, HI weather

Tonight: Occasional Showers And Thunderstorms, low near 70°F, 98% chance of precipitation. Forecast from the National Weather Service, issued Oct 27, 6:01 PM HST.

Updated Oct 27, 8:15 PM HST (snapshot)

Current conditions

Temperature

72°F

Rain

Wind

—

Humidity 95%

Pressure · visibility

—

Visibility 10 mi

Observed at Oahu, Kalaeloa Airport (PHJR), Oct 27, 5:53 PM HST. Station readings can lag or be missing.

Alerts for this area

Flood Watch Severe Future

Flood Watch issued October 27 at 3:04PM HST until October 29 at 5:00AM HST by NWS Honolulu HI

Area
Niihau; Kauai Southwest; Kauai Mountains; Waianae Coast; Oahu North Shore; Olomana; Central Oahu; Waianae Mountains; Lanai Mauka; Kahoolawe; Maui Windward West; Maui Leeward West; Haleakala Summit; Kona; Kohala; Big Island Interior; Big Island Summit; Kauai North; Kauai East; Kauai South; East Honolulu; Honolulu Metro; Ewa Plain; Koolau Windward; Koolau Leeward; Molokai Windward; Molokai Southeast; Molokai North; Molokai West; Molokai Leeward South; Lanai Windward; Lanai Leeward; Lanai South; Maui Central Valley North; Maui Central Valley South; Windward Haleakala; Kipahulu; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast; Big Island East; Big Island North
In effect
Oct 27, 3:04 PM HST
Until
Oct 29, 5:00 AM HST
Issued by
NWS Honolulu HI
Full text

A trough moving over the state from west to east will bring abundant tropical moisture through at least Wednesday night. Heavy rain and isolated thunderstorms are expected to produce flash flooding, and while the greatest flood threat will be focused over Oahu and Maui County, all islands are at risk. * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...All main Hawaiian Islands. * WHEN...Through late Wednesday night. * IMPACTS...Significant flooding may occur due to the overflow of streams and drainages. Roads in several areas may be closed, along with property damage in urban or low lying spots due to runoff. Landslides may also occur in areas with steep terrain. * ADDITIONAL DETAILS... - Heavy showers and isolated thunderstorms with intense rain rates may develop at any time through Wednesday night as a trough moves over the state from the west. While the greatest flood threat will be focused over Oahu and Maui County, all islands are at risk.

What to do: You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Around the NWS HFO forecast area

1 active alert covers zones served by the HFO office near Honolulu:

  • Flood Watch

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. Hawaii has 2 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Honolulu (local time)
TimeTempForecastPrecip. chanceWind
Tue 8 PM72°FOccasional Showers And Thunderstorms95%NE 9 mph
Tue 9 PM72°FOccasional Showers And Thunderstorms95%NE 9 mph
Tue 10 PM72°FOccasional Showers And Thunderstorms95%NE 9 mph
Tue 11 PM72°FOccasional Showers And Thunderstorms95%N 6 mph
Wed 12 AM71°FOccasional Showers And Thunderstorms98%N 6 mph
Wed 1 AM71°FOccasional Showers And Thunderstorms98%N 6 mph
Wed 2 AM71°FOccasional Showers And Thunderstorms98%NE 16 mph
Wed 3 AM70°FOccasional Showers And Thunderstorms98%NE 16 mph
Wed 4 AM70°FOccasional Showers And Thunderstorms98%NE 16 mph
Wed 5 AM70°FOccasional Showers And Thunderstorms98%NE 10 mph
Wed 6 AM70°FOccasional Showers And Thunderstorms83%NE 10 mph
Wed 7 AM70°FOccasional Showers And Thunderstorms83%NE 10 mph
Wed 8 AM71°FOccasional Showers And Thunderstorms83%NE 16 mph
Wed 9 AM74°FOccasional Showers And Thunderstorms83%NE 16 mph
Wed 10 AM77°FOccasional Showers And Thunderstorms83%NE 16 mph
Wed 11 AM80°FOccasional Showers And Thunderstorms83%NE 13 mph
Wed 12 PM81°FOccasional Showers And Thunderstorms77%NE 13 mph
Wed 1 PM81°FOccasional Showers And Thunderstorms77%NE 13 mph
Wed 2 PM81°FOccasional Showers And Thunderstorms77%NE 13 mph
Wed 3 PM81°FOccasional Showers And Thunderstorms77%NE 13 mph
Wed 4 PM80°FOccasional Showers And Thunderstorms77%NE 13 mph
Wed 5 PM78°FOccasional Showers And Thunderstorms77%NNE 12 mph
Wed 6 PM75°FScattered Rain Showers53%NNE 12 mph
Wed 7 PM73°FScattered Rain Showers53%NNE 12 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Honolulu can differ.

7-day forecast

Tonight

Low 70°F

Occasional showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 70. Northeast wind 6 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Wednesday

High 81°F·Low 70°F

Occasional showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 81. Northeast wind 10 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

Wednesday Night: Scattered rain showers. Mostly cloudy, with a low around 70. Northeast wind around 12 mph. Chance of precipitation is 50%. New rainfall amounts between 1 and 2 inches possible.

Thursday

High 83°F·Low 71°F

A chance of rain showers. Mostly cloudy, with a high near 83. Northeast wind around 13 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night: Scattered rain showers. Mostly cloudy, with a low around 71. Northeast wind around 12 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Friday

High 83°F·Low 72°F

Scattered rain showers. Partly sunny, with a high near 83. Northeast wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

Friday Night: Scattered rain showers. Mostly cloudy, with a low around 72. Northeast wind 10 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

Saturday

High 84°F·Low 71°F

Scattered rain showers. Partly sunny, with a high near 84. Northeast wind around 12 mph. Chance of precipitation is 50%.

Saturday Night: Scattered rain showers. Mostly cloudy, with a low around 71. North northeast wind around 12 mph. Chance of precipitation is 30%.

Sunday

High 83°F·Low 73°F

Scattered rain showers. Partly sunny, with a high near 83. North northeast wind 12 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

Sunday Night: Scattered rain showers. Mostly cloudy, with a low around 73. Northeast wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

Monday

High 82°F·Low 73°F

Scattered rain showers. Partly sunny, with a high near 82. Northeast wind around 20 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

Monday Night: Isolated rain showers after midnight. Partly cloudy, with a low around 73. Northeast wind 14 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Tuesday

High 82°F

Isolated rain showers. Mostly sunny, with a high near 82. East northeast wind 12 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Nearby cities

See every city we cover in Hawaii, or check all active alerts.

About this forecast

Forecast office
Honolulu is served by the National Weather Service HFO forecast office, forecast zone HIZ036, county zone HIC003.
Location used
The Census Bureau's internal point for Honolulu (21.3243, -157.8476), in Honolulu County. Population: 344,967 (2024 estimate), number 1 of the 1 Hawaii city on this site.
NWS place name
The National Weather Service lists this forecast point as near Urban Honolulu, HI.
Radar
Nearest NWS radar: PHMO. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/21.3243,-157.8476 (forecast issued Oct 27, 6:01 PM HST).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.