Weather in Iwilei, HI
Iwilei, Monday, 19 October, 03:40
Mostly clear. Feels like 77°. High 82°, low 76°.
Monthly outlook for Iwilei, HI: average high 81.3°, average low 72.2°. That is 0.7° above the climate normal for October. Precipitation is expected on 9 days (about 3.5 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 22 October (84.3°), the coolest 28 October (69.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 81.8° | 80.2° | +0.9° |
| 29 October – 7 November | 80.6° | 79.6° | +0.6° |
| 8 November – 17 November | at normal | 78.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Honolulu (2 mi).
0.04
Iwilei, Tuesday, 20 October
Light rain. High 81°, low 74°.
0.02Iwilei, Wednesday, 21 October
Light rain. High 82°, low 73°.
0
Iwilei, Thursday, 22 October
Clear. High 84°, low 73°.
0.01Iwilei, Friday, 23 October
Light rain. High 83°, low 72°.
0.02Iwilei, Saturday, 24 October
Light rain. High 83°, low 74°.
0.04Iwilei, Sunday, 25 October
Light rain. High 79°, low 71°.
0.05Iwilei, Monday, 26 October
Light rain. High 80°, low 70°.
0.04Iwilei, Tuesday, 27 October
Light rain. High 81°, low 71°.
0.03Iwilei, Wednesday, 28 October
Light rain. High 83°, low 69°.
0.96Iwilei, Thursday, 29 October
Heavy rain. High 75°, low 70°.
1.57Iwilei, Friday, 30 October
Heavy rain. High 79°, low 71°.
0.21Iwilei, Saturday, 31 October
Light rain. High 83°, low 73°.
0.14Iwilei, Sunday, 1 November
Light rain. High 83°, low 73°.
0.09Iwilei, Monday, 2 November
Light rain. High 83°, low 72°.
0.24Iwilei, Tuesday, 3 November
Rain. High 81°, low 73°.
0.11
Iwilei, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.09Iwilei, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Iwilei, Friday, 6 November
Climate normal for this date — 60-year average.
0.06
Iwilei, Saturday, 7 November
Climate normal for this date — 60-year average.
0.04Iwilei, Sunday, 8 November
Climate normal for this date — 60-year average.
0.03Iwilei, Monday, 9 November
Climate normal for this date — 60-year average.
0.02Iwilei, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06
Iwilei, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Iwilei, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06Iwilei, Friday, 13 November
Climate normal for this date — 60-year average.
0.1Iwilei, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Iwilei, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Iwilei, Monday, 16 November
Climate normal for this date — 60-year average.
0.06Iwilei, Tuesday, 17 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 Iwilei, 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 Iwilei, 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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