Weather in Fern Acres, HI
Fern Acres, Thursday, 8 October, 07:15
Mostly clear. Feels like 72°. High 84°, low 71°.
Monthly outlook for Fern Acres, HI: average high 77.3°, average low 69.3°. That is 0.5° below the climate normal for October. Precipitation is expected on 13 days (about 2.2 inches), against a normal of 11 days and 2.2 inches. The warmest day looks like 8 October (84°), the coolest 11 October (65.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 78.3° | 78.2° | +0° |
| 18 October – 27 October | 75.6° | 77.6° | -1.2° |
| 28 October – 6 November | at normal | 77.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Kalapana Seaview Estates (12 mi).
0.11
Fern Acres, Friday, 9 October
Light rain. High 80°, low 72°.
0.1Fern Acres, Saturday, 10 October
Light rain. High 72°, low 66°.
0Fern Acres, Sunday, 11 October
Light rain. High 76°, low 66°.
0.04Fern Acres, Monday, 12 October
Light rain. High 79°, low 70°.
0.2Fern Acres, Tuesday, 13 October
Light rain. High 80°, low 71°.
0.17Fern Acres, Wednesday, 14 October
Light rain. High 79°, low 70°.
0.16Fern Acres, Thursday, 15 October
Light rain. High 79°, low 70°.
0.05Fern Acres, Friday, 16 October
Light rain. High 75°, low 70°.
0.24Fern Acres, Saturday, 17 October
Light rain. High 78°, low 70°.
0.12Fern Acres, Sunday, 18 October
Light rain. High 76°, low 68°.
0.24Fern Acres, Monday, 19 October
Light rain. High 74°, low 68°.
0.35Fern Acres, Tuesday, 20 October
Light rain. High 73°, low 69°.
0.03Fern Acres, Wednesday, 21 October
Light rain. High 73°, low 68°.
0.18Fern Acres, Thursday, 22 October
Light rain. High 78°, low 69°.
0.14Fern Acres, Friday, 23 October
Light rain. High 79°, low 71°.
0.16Fern Acres, Saturday, 24 October
Climate normal for this date — 60-year average.
0.13Fern Acres, Sunday, 25 October
Climate normal for this date — 60-year average.
0.18Fern Acres, Monday, 26 October
Climate normal for this date — 60-year average.
0.14Fern Acres, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.12Fern Acres, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.17Fern Acres, Thursday, 29 October
Climate normal for this date — 60-year average.
0.16Fern Acres, Friday, 30 October
Climate normal for this date — 60-year average.
0.12Fern Acres, Saturday, 31 October
Climate normal for this date — 60-year average.
0.13Fern Acres, Sunday, 1 November
Climate normal for this date — 60-year average.
0.17Fern Acres, Monday, 2 November
Climate normal for this date — 60-year average.
0.19Fern Acres, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.19Fern Acres, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.15Fern Acres, Thursday, 5 November
Climate normal for this date — 60-year average.
0.15Fern Acres, Friday, 6 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 Fern Acres, 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 Fern Acres, 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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