Wailuku River (Maui) at Wailuku River at Iao Valley Road
4.5 mi- Level
- 10.4 ft
Reading from Sat 5:50 PM · NWS gauge page
Appearance
Ends in 11 h 28 min
Issued for this county · National Weather Service Honolulu HI
ESFHFO
A significant pattern change is expected Monday night through at least Thursday as deep tropical moisture is brought north. A combination of surface lows and troughs will bring exceptionally moist air over the eastern end of the state beginning Monday night and extending to all islands Tuesday. Heavy rain and thunderstorms are possible throughout this period. Models have not converged on details yet, so exact locations, timing, and rainfall amounts are not certain. Please be prepared for periods of heavy rain this coming week.
Keep up to date with the latest forecast information through the Internet (weather.gov/hawaii), local media, social media, or NOAA Weather Radio broadcasts.
An updated outlook will be issued Sunday by 6 AM HST or sooner if necessary.
Areas: Hawaii in Hawaii, HI; Oahu in Honolulu, HI; Kauai, HI; Maui, HI
See it on weather.gov (opens in a new tab)Model estimate for 6:00 PM HST (no recent station report)
Showery and 79°26°.
Today: low 73°23° (likely 71°22° to 75°24°), high 81°27° (likely 79°26° to 83°28°).
Now 79°26°
Showers
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 6p | Showers | 79°26° (likely 76°24° to 79°26°) | 79°26° | 20% | 12 mph19 km/h from N, gusts 16 mph26 km/h | 72% | 78% | 0 |
| Sat 7p | Showers | 76°24° (likely 75°24° to 77°25°) | 76°24° | 20% | 12 mph19 km/h from N, gusts 16 mph26 km/h | 79% | 90% | 0 |
| Sat 8p | Showers | 75°24° (likely 74°23° to 76°24°) | 75°24° | 20% | 12 mph19 km/h from N, gusts 16 mph26 km/h | 83% | 95% | 0 |
| Sat 9p | Showers | 75°24° (likely 74°23° to 76°24°) | 75°24° | 20% | 12 mph19 km/h from N, gusts 16 mph25 km/h | 82% | 93% | 0 |
| Sat 10p | Showers | 75°24° (likely 74°23° to 75°24°) | 75°24° | 20% | 12 mph19 km/h from N, gusts 15 mph24 km/h | 81% | 92% | 0 |
| Sat 11p | Cloudy | 75°24° (likely 74°23° to 75°24°) | 75°24° | 20% | 10 mph16 km/h from NNW, gusts 14 mph23 km/h | 80% | 88% | 0 |
| Sun 12a | Partly cloudy | 74°23° (likely 74°23° to 75°24°) | 74°23° | 20% | 10 mph16 km/h from NNW, gusts 14 mph22 km/h | 80% | 78% | 0 |
| Sun 1a | Showers | 74°23° (likely 73°23° to 75°24°) | 74°23° | 20% | 10 mph16 km/h from NNW, gusts 13 mph20 km/h | 81% | 67% | 0 |
| Sun 2a | Showers | 74°23° (likely 73°23° to 75°24°) | 74°23° | 20% | 9 mph14 km/h from NW, gusts 12 mph20 km/h | 82% | 64% | 0 |
| Sun 3a | Showers | 73°23° (likely 73°23° to 74°23°) | 73°23° | 20% | 9 mph14 km/h from NW, gusts 12 mph19 km/h | 83% | 67% | 0 |
| Sun 4a | Showers | 73°23° (likely 73°23° to 74°23°) | 73°23° | 20% | 9 mph14 km/h from NW, gusts 12 mph19 km/h | 84% | 68% | 0 |
| Sun 5a | Showers | 73°23° (likely 73°23° to 74°23°) | 73°23° | 20% | 8 mph13 km/h from NNE, gusts 13 mph20 km/h | 84% | 69% | 0 |
| Sun 6a | Partly sunny | 73°23° (likely 73°23° to 74°23°) | 73°23° | 10% | 8 mph13 km/h from NNE, gusts 13 mph21 km/h | 84% | 70% | 0 |
| Sun 7a | Partly sunny | 73°23° (likely 73°23° to 75°24°) | 73°23° | 10% | 8 mph13 km/h from NNE, gusts 13 mph21 km/h | 83% | 69% | 0 |
| Sun 8a | Partly sunny | 75°24° (likely 74°23° to 76°24°) | 75°24° | 10% | 8 mph13 km/h from NNE, gusts 14 mph23 km/h | 77% | 53% | 1 |
| Sun 9a | Partly sunny | 77°25° (likely 75°24° to 78°26°) | 77°25° | 10% | 8 mph13 km/h from NNE, gusts 14 mph23 km/h | 70% | 62% | 2 |
| Sun 10a | Partly sunny | 81°27° (likely 76°24° to 81°27°) | 83°28° | 10% | 8 mph13 km/h from NNE, gusts 14 mph23 km/h | 62% | 58% | 3 |
| Sun 11a | Partly sunny | 83°28° (likely 77°25° to 83°28°) | 86°30° | 10% | 9 mph14 km/h from NNE, gusts 13 mph21 km/h | 56% | 58% | 5 |
| Sun 12p | Mostly cloudy | 85°29° (likely 78°26° to 85°29°) | 87°31° | 10% | 9 mph14 km/h from NNE, gusts 13 mph20 km/h | 52% | 49% | 6 |
| Sun 1p | Mostly cloudy | 85°29° (likely 77°25° to 85°29°) | 87°31° | 10% | 9 mph14 km/h from NNE, gusts 13 mph21 km/h | 52% | 66% | 4 |
| Sun 2p | Mostly cloudy | 85°29° (likely 77°25° to 85°29°) | 87°31° | 10% | 10 mph16 km/h from NNE, gusts 13 mph20 km/h | 51% | 76% | 4 |
| Sun 3p | Mostly cloudy | 85°29° (likely 78°26° to 85°29°) | 87°31° | 10% | 10 mph16 km/h from NNE, gusts 13 mph21 km/h | 51% | 80% | 4 |
| Sun 4p | Mostly cloudy | 84°29° (likely 77°25° to 84°29°) | 85°29° | 10% | 10 mph16 km/h from NNE, gusts 14 mph23 km/h | 53% | 75% | 3 |
| Sun 5p | Mostly cloudy | 81°27° (likely 75°24° to 81°27°) | 83°28° | 10% | 7 mph11 km/h from NNE, gusts 15 mph24 km/h | 58% | 73% | 1 |
| Sun 6p | Partly cloudy | 78°26° (likely 74°23° to 78°26°) | 78°26° | 0% | 7 mph11 km/h from NNE, gusts 15 mph24 km/h | 64% | 74% | 0 |
| Sun 7p | Partly cloudy | 76°24° (likely 73°23° to 76°24°) | 76°24° | 0% | 7 mph11 km/h from NNE, gusts 14 mph22 km/h | 69% | 77% | 0 |
| Sun 8p | Partly cloudy | 75°24° (likely 73°23° to 75°24°) | 75°24° | 0% | 7 mph11 km/h from NNE, gusts 12 mph20 km/h | 72% | 62% | 0 |
| Sun 9p | Mostly clear | 75°24° (likely 73°23° to 75°24°) | 75°24° | 0% | 7 mph11 km/h from NNE, gusts 11 mph18 km/h | 72% | 38% | 0 |
| Sun 10p | Partly cloudy | 75°24° (likely 72°22° to 75°24°) | 75°24° | 0% | 7 mph11 km/h from NNE, gusts 10 mph16 km/h | 72% | 47% | 0 |
| Sun 11p | Partly cloudy | 75°24° (likely 72°22° to 75°24°) | 75°24° | 0% | 6 mph10 km/h from NNE, gusts 10 mph16 km/h | 72% | 31% | 0 |
| Mon 12a | Mostly cloudy | 74°23° (likely 71°22° to 74°23°) | 74°23° | 0% | 6 mph10 km/h from NNE, gusts 9 mph14 km/h | 73% | 31% | 0 |
| Mon 1a | Mostly cloudy | 74°23° (likely 71°22° to 74°23°) | 74°23° | 0% | 6 mph10 km/h from NNE, gusts 9 mph15 km/h | 74% | 30% | 0 |
| Mon 2a | Mostly cloudy | 74°23° (likely 70°21° to 74°23°) | 74°23° | 0% | 6 mph10 km/h from NNE, gusts 8 mph14 km/h | 74% | 50% | 0 |
| Mon 3a | Mostly cloudy | 73°23° (likely 71°22° to 73°23°) | 73°23° | 0% | 6 mph10 km/h from NNE, gusts 9 mph14 km/h | 74% | 60% | 0 |
| Mon 4a | Mostly cloudy | 73°23° (likely 71°22° to 73°23°) | 73°23° | 0% | 6 mph10 km/h from NNE, gusts 8 mph13 km/h | 74% | 56% | 0 |
| Mon 5a | Mostly cloudy | 73°23° (likely 71°22° to 73°23°) | 73°23° | 0% | 5 mph8 km/h from NNE, gusts 8 mph13 km/h | 73% | 53% | 0 |
| Mon 6a | Mostly cloudy | 73°23° (likely 71°22° to 73°23°) | 73°23° | 0% | 5 mph8 km/h from NNE, gusts 9 mph14 km/h | 73% | 48% | 0 |
| Mon 7a | Mostly cloudy | 73°23° (likely 71°22° to 74°23°) | 73°23° | 0% | 5 mph8 km/h from NNE, gusts 8 mph13 km/h | 73% | 42% | 0 |
| Mon 8a | Mostly cloudy | 75°24° (likely 74°23° to 76°24°) | 75°24° | 0% | 5 mph8 km/h from NNE, gusts 9 mph14 km/h | 69% | 47% | 1 |
| Mon 9a | Mostly cloudy | 78°26° (likely 76°24° to 78°26°) | 78°26° | 0% | 5 mph8 km/h from NNE, gusts 8 mph13 km/h | 63% | 50% | 3 |
| Mon 10a | Mostly cloudy | 81°27° (likely 78°26° to 81°27°) | 83°28° | 0% | 5 mph8 km/h from NNE, gusts 8 mph12 km/h | 56% | 43% | 5 |
| Mon 11a | Mostly cloudy | 84°29° (likely 78°26° to 84°29°) | 86°30° | 0% | 5 mph8 km/h from NNE, gusts 8 mph13 km/h | 51% | 41% | 6 |
| Mon 12p | Mostly cloudy | 86°30° (likely 79°26° to 86°30°) | 87°31° | 5% | 5 mph8 km/h from NNE, gusts 9 mph14 km/h | 48% | 45% | 7 |
| Mon 1p | Mostly cloudy | 86°30° (likely 78°26° to 86°30°) | 88°31° | 5% | 5 mph8 km/h from NNE, gusts 9 mph15 km/h | 49% | 48% | 6 |
| Mon 2p | Mostly cloudy | 86°30° (likely 78°26° to 86°30°) | 88°31° | 5% | 5 mph8 km/h from NNE, gusts 10 mph16 km/h | 50% | 52% | 5 |
| Mon 3p | Mostly cloudy | 86°30° (likely 77°25° to 86°30°) | 88°31° | 5% | 5 mph8 km/h from NNE, gusts 9 mph15 km/h | 50% | 54% | 5 |
| Mon 4p | Mostly cloudy | 85°29° (likely 75°24° to 85°29°) | 86°30° | 5% | 5 mph8 km/h from NNE, gusts 9 mph15 km/h | 52% | 61% | 2 |
| Mon 5p | Mostly cloudy | 82°28° (likely 74°23° to 82°28°) | 84°29° | 5% | 7 mph11 km/h from NNE, gusts 10 mph16 km/h | 56% | 64% | 1 |
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
20% chance
Official NWS forecast
Tonight: Isolated rain showers. Mostly cloudy, with a low around 73. North wind 8 to 12 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: Mostly sunny, with a high near 85. North northeast wind 7 to 10 mph.
Night: Mostly cloudy, with a low around 73. North northeast wind around 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 85°29°).
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Day: Partly sunny, with a high near 86. North northeast wind around 7 mph.
Night: Scattered rain showers. Mostly cloudy, with a low around 74. Northeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
40% chance · 0.03 in0.7 mm
Afternoon
noon–6 PM
70% chance · 0.17 in4.3 mm
Evening
6 PM–midnight
80% chance · 0.81 in21 mm
Overnight
midnight–6 AM
70% chance · 0.37 in9.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Occasional showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 85. East northeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Night: Occasional showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 74. East northeast wind around 6 mph. Chance of precipitation is 90%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
70% chance · 0.12 in3.1 mm
Afternoon
noon–6 PM
60% chance · 0.08 in2.1 mm
Evening
6 PM–midnight
60% chance · 0.05 in1.4 mm
Overnight
midnight–6 AM
60% chance · 0.01 in0.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Occasional showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 85. South southeast wind 2 to 6 mph. Chance of precipitation is 80%.
Night: Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 74. South southeast wind 1 to 5 mph. Chance of precipitation is 80%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
60% chance · 0.04 in0.9 mm
Afternoon
noon–6 PM
60% chance · 0.08 in2.1 mm
Evening
6 PM–midnight
50% chance · 0.1 in2.6 mm
Overnight
midnight–6 AM
40% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Showers and thunderstorms likely. Some of the storms could produce heavy rain. Cloudy, with a high near 85. East northeast wind 1 to 8 mph. Chance of precipitation is 70%.
Night: Showers and thunderstorms likely. Some of the storms could produce heavy rain. Cloudy, with a low around 74. Northeast wind around 8 mph. Chance of precipitation is 70%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
50% chance
Afternoon
noon–6 PM
50% chance · 0.05 in1.2 mm
Evening
6 PM–midnight
50% chance · 0.06 in1.5 mm
Overnight
midnight–6 AM
30% chance · 0.44 in11 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Scattered rain showers. Mostly cloudy, with a high near 86. North northeast wind around 10 mph. Chance of precipitation is 50%.
Night: Mostly cloudy, with a low around 74. North northeast wind 7 to 10 mph. Chance of precipitation is 60%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
30% chance · 0.07 in1.8 mm
Afternoon
noon–6 PM
30% chance · 0.08 in2 mm
Evening
6 PM–midnight
30% chance · 0.02 in0.4 mm
Overnight
midnight–6 AM
30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 86. North northeast wind around 7 mph. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
20% chance
Afternoon
noon–6 PM
30% chance
Evening
6 PM–midnight
30% chance
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Dry, high 81°, low 73°.
Dry, high 85°, low 73°, warming up.
Dry, high 86°, low 74°.
Highs 80–86°; chance of precipitation on Tuesday, Wednesday, Thursday, Friday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (HFO) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Sat 5:50 PM · NWS gauge page
Reading from Sat 5:35 PM · NWS gauge page
Reading from Sat 5:50 PM · NWS gauge page
Reading from Sat 5:35 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 74% less cooling than a typical week.
Cooling degree days, base 65°F
Sticky, humid air (dew point 69°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is 7°4° colder than typical.
On average 0° colder than normal (daily mean temperature).
Kahului weather by month: normals, records, snow and freeze dates
Sunrise 6:24 AM, sunset 5:54 PM.
Clouds most of the night (about 78% cover).
Waxing gibbous
99% lit · growing