Waimanalo, HI Weather Forecast
Local 7-day forecast
Isolated Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Waimanalo, HI in one place.
Isolated rain showers. Partly cloudy, with a low around 70. East northeast wind around 22 mph, with gusts as high as 31 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Waimanalo, HI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 19, 2026 3:32 AM HST.
The active forecast window currently covers Oct 19 to Oct 25, 2026 for Waimanalo, HI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 19 to Oct 25, 2026
- Latest sync
- Oct 19, 2026 3:32 AM HST
- Forecast office
- HFO
- Source
- NOAA / NWS
Daily Outlook
This Week in Waimanalo
Friday looks like the warmest upcoming period in Waimanalo at 78 degrees F.
Overnight is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Monday Night at about 26 to 30 mph ENE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 19, 2026 3:32 AM HST
- Coverage
- 7 days
- Time zone
- Pacific/Honolulu
- Forecast office
- HFO
- Radar station
- PHMO
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Isolated rain showers before noon. Mostly sunny, with a high near 77. East northeast wind 22 to 29 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 71. East northeast wind 26 to 30 mph, with gusts as high as 44 mph.
Isolated rain showers before noon. Mostly sunny, with a high near 77. East northeast wind around 30 mph, with gusts as high as 43 mph. Chance of precipitation is 20%.
Isolated rain showers after midnight. Partly cloudy, with a low around 70. East northeast wind 24 to 30 mph, with gusts as high as 43 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Isolated rain showers before noon. Mostly sunny, with a high near 77. East northeast wind around 24 mph, with gusts as high as 35 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Isolated rain showers after midnight. Partly cloudy, with a low around 70. East northeast wind 13 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Isolated rain showers before noon. Mostly sunny, with a high near 77. East northeast wind 13 to 16 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 70. East northeast wind 12 to 15 mph, with gusts as high as 21 mph.
Mostly cloudy, with a high near 78. East northeast wind around 14 mph, with gusts as high as 20 mph.
Isolated rain showers after midnight. Mostly cloudy, with a low around 71. Northeast wind around 14 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Scattered rain showers. Partly sunny, with a high near 78. Northeast wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Isolated rain showers after midnight. Mostly cloudy, with a low around 70. Northeast wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Scattered rain showers. Partly sunny, with a high near 77. Northeast wind around 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 19
|
Isolated Rain Showers
|
70°F |
22 mph
ENE
|
|
Monday
Oct 19
|
Isolated Rain Showers then Mostly Sunny
|
77°F |
22 to 29 mph
ENE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
71°F |
26 to 30 mph
ENE
|
|
Tuesday
Oct 20
|
Isolated Rain Showers then Mostly Sunny
|
77°F |
30 mph
ENE
|
|
Tuesday Night
Oct 20
|
Partly Cloudy then Isolated Rain Showers
|
70°F |
24 to 30 mph
ENE
|
|
Wednesday
Oct 21
|
Isolated Rain Showers then Mostly Sunny
|
77°F |
24 mph
ENE
|
|
Wednesday Night
Oct 21
|
Partly Cloudy then Isolated Rain Showers
|
70°F |
13 to 22 mph
ENE
|
|
Thursday
Oct 22
|
Isolated Rain Showers then Mostly Sunny
|
77°F |
13 to 16 mph
ENE
|
|
Thursday Night
Oct 22
|
Partly Cloudy
|
70°F |
12 to 15 mph
ENE
|
|
Friday
Oct 23
|
Mostly Cloudy
|
78°F |
14 mph
ENE
|
|
Friday Night
Oct 23
|
Mostly Cloudy then Isolated Rain Showers
|
71°F |
14 mph
NE
|
|
Saturday
Oct 24
|
Scattered Rain Showers
|
78°F |
15 mph
NE
|
|
Saturday Night
Oct 24
|
Mostly Cloudy then Isolated Rain Showers
|
70°F |
15 mph
NE
|
|
Sunday
Oct 25
|
Scattered Rain Showers
|
77°F |
15 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waimanalo.
