Wailuku River at Piihonoua
19 mi- Level
- 0.0 ft
Reading from Fri 11:50 PM · NWS gauge page
Appearance
Observed 4:55 AM HST at PHSF
Clear and 47°8°, rain ~6 PM–5 AM (44%).
Today: low 72°22° (likely 71°22° to 75°24°), high 81°27° (likely 79°26° to 82°28°).
Now 47°8°
Clear
None rain now, through the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 6a | Showers | 70°21° (likely 70°21° to 75°24°) | 70°21° | 30%, 0.05 in1.3 mm | 5 mph8 km/h from W, gusts 11 mph18 km/h | 97% | 79% | 0 |
| Sat 7a | Showers | 70°21° (likely 70°21° to 75°24°) | 70°21° | 30%, 0.05 in1.3 mm | 5 mph8 km/h from W, gusts 12 mph19 km/h | 99% | 75% | 0 |
| Sat 8a | Showers | 71°22° (likely 71°22° to 77°25°) | 71°22° | 30%, 0.05 in1.3 mm | 5 mph8 km/h from N, gusts 12 mph20 km/h | 95% | 77% | 1 |
| Sat 9a | Partly sunny | 74°23° (likely 74°23° to 79°26°) | 74°23° | 30%, 0.05 in1.3 mm | 5 mph8 km/h from N, gusts 13 mph22 km/h | 88% | 71% | 3 |
| Sat 10a | Showers | 77°25° (likely 77°25° to 81°27°) | 77°25° | 30%, 0.05 in1.3 mm | 5 mph8 km/h from N, gusts 14 mph23 km/h | 79% | 83% | 5 |
| Sat 11a | Showers | 80°27° (likely 78°26° to 82°28°) | 83°28° | 30%, 0.05 in1.3 mm | 6 mph10 km/h from NNE, gusts 15 mph24 km/h | 73% | 84% | 7 |
| Sat 12p | Showers | 81°27° (likely 79°26° to 82°28°) | 84°29° | 30%, 0.01 in0.3 mm | 6 mph10 km/h from NNE, gusts 15 mph24 km/h | 69% | 91% | 7 |
| Sat 1p | Drizzle | 81°27° (likely 79°26° to 81°27°) | 84°29° | 30%, 0.01 in0.3 mm | 6 mph10 km/h from NNE, gusts 16 mph26 km/h | 69% | 90% | 7 |
| Sat 2p | Showers | 81°27° (likely 79°26° to 81°27°) | 85°29° | 30%, 0.01 in0.3 mm | 7 mph11 km/h from NNE, gusts 16 mph26 km/h | 69% | 96% | 6 |
| Sat 3p | Showers | 81°27° (likely 78°26° to 81°27°) | 85°29° | 30%, 0.01 in0.3 mm | 7 mph11 km/h from NNE, gusts 16 mph26 km/h | 70% | 86% | 5 |
| Sat 4p | Showers | 80°27° (likely 77°25° to 80°27°) | 83°28° | 30%, 0.01 in0.3 mm | 7 mph11 km/h from NNE, gusts 16 mph25 km/h | 73% | 81% | 3 |
| Sat 5p | Showers | 78°26° (likely 76°24° to 78°26°) | 78°26° | 30%, 0.01 in0.3 mm | 8 mph13 km/h from N, gusts 15 mph25 km/h | 78% | 83% | 1 |
| Sat 6p | Cloudy | 76°24° (likely 75°24° to 77°25°) | 76°24° | 40%, 0.08 in2 mm | 8 mph13 km/h from N, gusts 14 mph22 km/h | 84% | 95% | 0 |
| Sat 7p | Cloudy | 74°23° (likely 74°23° to 76°24°) | 74°23° | 40%, 0.08 in2 mm | 8 mph13 km/h from N, gusts 13 mph21 km/h | 89% | 98% | 0 |
| Sat 8p | Showers | 74°23° (likely 73°23° to 76°24°) | 74°23° | 40%, 0.08 in2 mm | 7 mph11 km/h from NNW, gusts 13 mph20 km/h | 92% | 96% | 0 |
| Sat 9p | Cloudy | 74°23° (likely 73°23° to 76°24°) | 74°23° | 40%, 0.08 in2 mm | 7 mph11 km/h from NNW, gusts 13 mph20 km/h | 91% | 94% | 0 |
| Sat 10p | Showers | 74°23° (likely 72°22° to 75°24°) | 74°23° | 40%, 0.08 in2 mm | 7 mph11 km/h from NNW, gusts 12 mph19 km/h | 90% | 85% | 0 |
| Sat 11p | Showers | 74°23° (likely 72°22° to 75°24°) | 74°23° | 40%, 0.08 in2 mm | 5 mph8 km/h from NNW, gusts 12 mph19 km/h | 89% | 87% | 0 |
| Sun 12a | Showers | 73°23° (likely 72°22° to 75°24°) | 73°23° | 40%, 0.06 in1.5 mm | 5 mph8 km/h from NNW, gusts 12 mph19 km/h | 89% | 91% | 0 |
| Sun 1a | Showers | 73°23° (likely 72°22° to 75°24°) | 73°23° | 40%, 0.06 in1.5 mm | 5 mph8 km/h from NNW, gusts 12 mph19 km/h | 90% | 93% | 0 |
| Sun 2a | Cloudy | 73°23° (likely 72°22° to 75°24°) | 73°23° | 40%, 0.06 in1.5 mm | 6 mph10 km/h from NW, gusts 13 mph20 km/h | 91% | 94% | 0 |
| Sun 3a | Cloudy | 72°22° (likely 72°22° to 75°24°) | 72°22° | 40%, 0.06 in1.5 mm | 6 mph10 km/h from NW, gusts 13 mph20 km/h | 92% | 91% | 0 |
| Sun 4a | Cloudy | 72°22° (likely 72°22° to 75°24°) | 72°22° | 40%, 0.06 in1.5 mm | 6 mph10 km/h from NW, gusts 13 mph21 km/h | 93% | 92% | 0 |
| Sun 5a | Cloudy | 72°22° (likely 72°22° to 74°23°) | 72°22° | 40%, 0.06 in1.5 mm | 8 mph13 km/h from N, gusts 12 mph20 km/h | 93% | 93% | 0 |
| Sun 6a | Cloudy | 72°22° (likely 72°22° to 74°23°) | 72°22° | 30%, 0.07 in1.8 mm | 8 mph13 km/h from N, gusts 12 mph19 km/h | 93% | 94% | 0 |
| Sun 7a | Cloudy | 72°22° (likely 72°22° to 74°23°) | 72°22° | 30%, 0.07 in1.8 mm | 8 mph13 km/h from N, gusts 12 mph19 km/h | 93% | 94% | 0 |
| Sun 8a | Showers | 73°23° (likely 73°23° to 77°25°) | 73°23° | 30%, 0.07 in1.8 mm | 8 mph13 km/h from N, gusts 12 mph20 km/h | 90% | 95% | 1 |
| Sun 9a | Showers | 75°24° (likely 74°23° to 77°25°) | 75°24° | 30%, 0.07 in1.8 mm | 8 mph13 km/h from N, gusts 14 mph22 km/h | 84% | 93% | 2 |
| Sun 10a | Drizzle | 78°26° (likely 75°24° to 79°26°) | 78°26° | 30%, 0.07 in1.8 mm | 8 mph13 km/h from N, gusts 14 mph23 km/h | 77% | 94% | 4 |
| Sun 11a | Drizzle | 80°27° (likely 76°24° to 80°27°) | 83°28° | 30%, 0.07 in1.8 mm | 9 mph14 km/h from N, gusts 15 mph24 km/h | 72% | 90% | 6 |
| Sun 12p | Showers | 81°27° (likely 77°25° to 81°27°) | 84°29° | 40%, 0.08 in2 mm | 9 mph14 km/h from N, gusts 16 mph25 km/h | 68% | 91% | 6 |
| Sun 1p | Showers | 81°27° (likely 78°26° to 81°27°) | 84°29° | 40%, 0.08 in2 mm | 9 mph14 km/h from N, gusts 16 mph25 km/h | 68% | 93% | 6 |
| Sun 2p | Drizzle | 81°27° (likely 77°25° to 81°27°) | 84°29° | 40%, 0.08 in2 mm | 9 mph14 km/h from N, gusts 15 mph25 km/h | 67% | 72% | 6 |
| Sun 3p | Showers | 81°27° (likely 76°24° to 81°27°) | 84°29° | 40%, 0.08 in2 mm | 9 mph14 km/h from N, gusts 16 mph25 km/h | 68% | 63% | 5 |
| Sun 4p | Showers | 80°27° (likely 74°23° to 80°27°) | 83°28° | 40%, 0.08 in2 mm | 9 mph14 km/h from N, gusts 16 mph25 km/h | 71% | 82% | 3 |
| Sun 5p | Showers | 78°26° (likely 73°23° to 78°26°) | 78°26° | 40%, 0.08 in2 mm | 6 mph10 km/h from N, gusts 15 mph25 km/h | 77% | 86% | 1 |
| Sun 6p | Showers | 76°24° (likely 72°22° to 77°25°) | 76°24° | 50%, 0.08 in2 mm | 6 mph10 km/h from N, gusts 14 mph23 km/h | 83% | 94% | 0 |
| Sun 7p | Drizzle | 74°23° (likely 72°22° to 76°24°) | 74°23° | 50%, 0.08 in2 mm | 6 mph10 km/h from N, gusts 13 mph21 km/h | 89% | 95% | 0 |
| Sun 8p | Drizzle | 73°23° (likely 72°22° to 76°24°) | 73°23° | 50%, 0.08 in2 mm | 6 mph10 km/h from N, gusts 12 mph20 km/h | 92% | 97% | 0 |
| Sun 9p | Drizzle | 73°23° (likely 71°22° to 76°24°) | 73°23° | 50%, 0.08 in2 mm | 6 mph10 km/h from N, gusts 10 mph17 km/h | 91% | 96% | 0 |
| Sun 10p | Drizzle | 73°23° (likely 71°22° to 76°24°) | 73°23° | 50%, 0.08 in2 mm | 6 mph10 km/h from N, gusts 8 mph14 km/h | 89% | 95% | 0 |
| Sun 11p | Showers | 73°23° (likely 71°22° to 76°24°) | 73°23° | 50%, 0.08 in2 mm | 3 mph5 km/h from N, gusts 7 mph11 km/h | 89% | 72% | 0 |
| Mon 12a | Showers | 72°22° (likely 71°22° to 75°24°) | 72°22° | 50%, 0.08 in2 mm | 3 mph5 km/h from N, gusts 7 mph11 km/h | 90% | 73% | 0 |
| Mon 1a | Showers | 72°22° (likely 71°22° to 75°24°) | 72°22° | 50%, 0.08 in2 mm | 3 mph5 km/h from N, gusts 5 mph9 km/h | 92% | 69% | 0 |
| Mon 2a | Showers | 72°22° (likely 71°22° to 75°24°) | 72°22° | 50%, 0.08 in2 mm | 3 mph5 km/h from N, gusts 6 mph10 km/h | 94% | 65% | 0 |
| Mon 3a | Showers | 71°22° (likely 71°22° to 74°23°) | 71°22° | 50%, 0.08 in2 mm | 3 mph5 km/h from N, gusts 6 mph10 km/h | 96% | 72% | 0 |
| Mon 4a | Showers | 71°22° (likely 71°22° to 74°23°) | 71°22° | 50%, 0.08 in2 mm | 3 mph5 km/h from N, gusts 7 mph11 km/h | 96% | 73% | 0 |
| Mon 5a | Showers | 71°22° (likely 71°22° to 74°23°) | 71°22° | 50%, 0.08 in2 mm | 3 mph5 km/h from NNE, gusts 7 mph11 km/h | 97% | 74% | 0 |
Morning
6 AM–noon
30% chance · 0.3 in7.6 mm
Afternoon
noon–6 PM
30% chance · 0.06 in1.5 mm
Evening
6 PM–midnight
40% chance · 0.48 in12 mm
Overnight
midnight–6 AM
40% chance · 0.36 in9.1 mm
Official NWS forecast
Today: Scattered rain showers. Partly sunny, with a high near 81. North wind 5 to 8 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Tonight: Scattered rain showers. Mostly cloudy, with a low around 72. North northwest wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
30% chance · 0.42 in11 mm
Afternoon
noon–6 PM
40% chance · 0.48 in12 mm
Evening
6 PM–midnight
50% chance · 0.48 in12 mm
Overnight
midnight–6 AM
50% chance · 0.48 in12 mm
Official NWS forecast
Day: Scattered rain showers. Partly sunny, with a high near 81. North wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: Scattered rain showers. Mostly cloudy, with a low around 71. North northeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
50% chance · 0.02 in0.5 mm
Afternoon
noon–6 PM
70% chance · 0.07 in1.7 mm
Evening
6 PM–midnight
70% chance · 0.05 in1.3 mm
Overnight
midnight–6 AM
60% chance · 0.02 in0.6 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Scattered rain showers. Partly sunny, with a high near 80. East northeast wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: Rain showers likely. Mostly cloudy, with a low around 72. South southeast wind around 6 mph. Chance of precipitation is 60%. 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
70% chance
Afternoon
noon–6 PM
80% chance · 0.02 in0.6 mm
Evening
6 PM–midnight
80% chance · 0.24 in6.2 mm
Overnight
midnight–6 AM
70% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 81. Southwest wind around 5 mph. Chance of precipitation is 90%.
Night: Frequent showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 73. South wind 3 to 9 mph. Chance of precipitation is 90%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
70% chance · 0.06 in1.5 mm
Afternoon
noon–6 PM
80% chance · 0.06 in1.6 mm
Evening
6 PM–midnight
80% chance · 0.11 in2.7 mm
Overnight
midnight–6 AM
60% chance · 0.02 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Frequent showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 81. South southwest wind 3 to 8 mph. Chance of precipitation is 90%.
Night: Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 73. West wind around 3 mph. Chance of precipitation is 80%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
60% chance · 0.02 in0.4 mm
Afternoon
noon–6 PM
80% chance · 0.37 in9.3 mm
Evening
6 PM–midnight
80% chance · 0.1 in2.6 mm
Overnight
midnight–6 AM
60% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 82. North wind around 5 mph. Chance of precipitation is 80%.
Night: Showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 72. North northwest wind around 5 mph. Chance of precipitation is 80%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
60% chance
Afternoon
noon–6 PM
80% chance · 0.38 in9.8 mm
Evening
6 PM–midnight
80% chance · 0.19 in4.8 mm
Overnight
midnight–6 AM
60% chance · 0.27 in6.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Scattered rain showers. Mostly cloudy, with a high near 81. North wind around 7 mph. Chance of precipitation is 50%.
Night: Mostly cloudy, with a low around 71. North northeast wind around 7 mph. Chance of precipitation is 50%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
50% chance · 0.08 in2.1 mm
Afternoon
noon–6 PM
60% chance · 0.03 in0.8 mm
Evening
6 PM–midnight
60% chance · 0.03 in0.8 mm
Overnight
midnight–6 AM
50% chance · 0.07 in1.8 mm
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.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
50% chance · 0.02 in0.5 mm
Afternoon
noon–6 PM
50% chance
Evening
6 PM–midnight
50% chance · 0.01 in0.3 mm
Overnight
midnight–6 AM
40% chance · 0.03 in0.8 mm
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
40% chance · 0.05 in1.2 mm
Afternoon
noon–6 PM
50% chance · 0.06 in1.5 mm
Evening
6 PM–midnight
60% chance · 0.08 in2 mm
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.
33% chance of rain, high 81°, low 72°.
41% chance of rain, high 81°, low 71°.
47% chance of rain, high 80°, low 72°.
Highs 80–82°; chance of precipitation on Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday, Monday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (HFO) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Fri 11:50 PM · NWS gauge page
Reading from Sat 3:55 AM · NWS gauge page
Reading from Sat 4:15 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 72% less cooling than a typical week.
Cooling degree days, base 65°F
Dry air outside (dew point 42°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is about typical for the date.
On average 2°1° warmer than normal (daily mean temperature).
Hawaiian Beaches weather by month: normals, records, snow and freeze dates
Sunrise 6:17 AM, sunset 5:50 PM.
Clouds most of the night (about 92% cover).
Waxing gibbous
97% lit · growing