Weather in Fern Heath, WA
Fern Heath, Tuesday, 20 October, 14:27
Clear. Feels like 59°. High 61°, low 45°.
Monthly outlook for Fern Heath, WA: average high 58.9°, average low 44.6°. That is 2.4° above the climate normal for October. Precipitation is expected on 2 days (about 1.1 inches), against a normal of 8 days and 3.6 inches. The warmest day looks like 21 October (65.9°), the coolest 24 October (37.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 61.6° | 55.5° | +3.4° |
| 30 October – 8 November | 54.5° | 52.3° | +1.2° |
| 9 November – 18 November | at normal | 49.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Federal Way (7 mi).
0
Fern Heath, Wednesday, 21 October
Mostly clear. High 66°, low 44°.
0
Fern Heath, Thursday, 22 October
Overcast. High 58°, low 44°.
0Fern Heath, Friday, 23 October
Overcast. High 57°, low 42°.
0Fern Heath, Saturday, 24 October
Overcast. High 55°, low 38°.
0Fern Heath, Sunday, 25 October
Overcast. High 62°, low 47°.
0Fern Heath, Monday, 26 October
Overcast. High 64°, low 45°.
0Fern Heath, Tuesday, 27 October
Mostly clear. High 64°, low 45°.
0Fern Heath, Wednesday, 28 October
Clear. High 64°, low 45°.
0Fern Heath, Thursday, 29 October
Clear. High 64°, low 44°.
0Fern Heath, Friday, 30 October
Mostly clear. High 59°, low 44°.
0.02
Fern Heath, Saturday, 31 October
Light rain. High 55°, low 49°.
0Fern Heath, Sunday, 1 November
Overcast. High 56°, low 47°.
0Fern Heath, Monday, 2 November
Overcast. High 55°, low 44°.
0.4Fern Heath, Tuesday, 3 November
Rain. High 48°, low 45°.
0.65Fern Heath, Wednesday, 4 November
Rain. High 53°, low 48°.
0.19Fern Heath, Thursday, 5 November
Climate normal for this date — 60-year average.
0.31Fern Heath, Friday, 6 November
Climate normal for this date — 60-year average.
0.28Fern Heath, Saturday, 7 November
Climate normal for this date — 60-year average.
0.2Fern Heath, Sunday, 8 November
Climate normal for this date — 60-year average.
0.24Fern Heath, Monday, 9 November
Climate normal for this date — 60-year average.
0.2Fern Heath, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.28Fern Heath, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.3Fern Heath, Thursday, 12 November
Climate normal for this date — 60-year average.
0.3Fern Heath, Friday, 13 November
Climate normal for this date — 60-year average.
0.3Fern Heath, Saturday, 14 November
Climate normal for this date — 60-year average.
0.26Fern Heath, Sunday, 15 November
Climate normal for this date — 60-year average.
0.25Fern Heath, Monday, 16 November
Climate normal for this date — 60-year average.
0.28Fern Heath, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.19Fern Heath, Wednesday, 18 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 Heath, WA 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 Heath, WA 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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