Weather in Waiau, HI
Waiau, Monday, 26 October, 08:18
Mostly clear. Feels like 75°. High 86°, low 70°.
Monthly outlook for Waiau, HI: average high 79.8°, average low 70.9°. That is 0.6° below the climate normal for October. Precipitation is expected on 8 days (about 2.5 inches), against a normal of 5 days and 1.0 inches. The warmest day looks like 27 October (86.5°), the coolest 28 October (67°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 26 October – 4 November | 78.3° | 81.1° | -1.6° |
| 5 November – 14 November | 82.4° | 80.2° | +1.2° |
| 15 November – 24 November | at normal | 79.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Waimalu (1 mi).
0.22
Waiau, Tuesday, 27 October
Rain. High 87°, low 69°.
0.87Waiau, Wednesday, 28 October
Heavy rain. High 73°, low 67°.
0.63Waiau, Thursday, 29 October
Rain. High 76°, low 72°.
0.52Waiau, Friday, 30 October
Rain. High 75°, low 72°.
0.04Waiau, Saturday, 31 October
Light rain. High 80°, low 73°.
0.04Waiau, Sunday, 1 November
Light rain. High 78°, low 72°.
0.07Waiau, Monday, 2 November
Light rain. High 74°, low 71°.
0Waiau, Tuesday, 3 November
Light rain. High 77°, low 71°.
0
Waiau, Wednesday, 4 November
Overcast. High 78°, low 69°.
0Waiau, Thursday, 5 November
Mostly clear. High 80°, low 68°.
0.04Waiau, Friday, 6 November
Light rain. High 82°, low 74°.
0.01Waiau, Saturday, 7 November
Light rain. High 86°, low 73°.
0Waiau, Sunday, 8 November
Overcast. High 86°, low 70°.
0.02Waiau, Monday, 9 November
Light rain. High 84°, low 71°.
0.07Waiau, Tuesday, 10 November
Light rain. High 77°, low 72°.
0.07
Waiau, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Waiau, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06
Waiau, Friday, 13 November
Climate normal for this date — 60-year average.
0.1Waiau, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Waiau, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Waiau, Monday, 16 November
Climate normal for this date — 60-year average.
0.06Waiau, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.19Waiau, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.14Waiau, Thursday, 19 November
Climate normal for this date — 60-year average.
0.09Waiau, Friday, 20 November
Climate normal for this date — 60-year average.
0.05Waiau, Saturday, 21 November
Climate normal for this date — 60-year average.
0.06Waiau, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07Waiau, Monday, 23 November
Climate normal for this date — 60-year average.
0.06Waiau, Tuesday, 24 November
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Waiau, HI are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Waiau, HI since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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