Weather in Roche Harbor, WA
Roche Harbor, Wednesday, 21 October, 15:48
Clear. Feels like 55°. High 56°, low 44°.
Monthly outlook for Roche Harbor, WA: average high 54.2°, average low 49°. That is 1.4° above the climate normal for October. Precipitation is expected on 6 days (about 0.5 inches), against a normal of 8 days and 2.7 inches. The warmest day looks like 5 November (57.1°), the coolest 23 October (42.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 54.6° | 52.1° | +1.4° |
| 31 October – 9 November | 53.7° | 50.4° | +1.8° |
| 10 November – 19 November | at normal | 48.6° | — |
October records over 66 years
0
Roche Harbor, Thursday, 22 October
Overcast. High 56°, low 44°.
0
Roche Harbor, Friday, 23 October
Mostly clear. High 53°, low 42°.
0.04
Roche Harbor, Saturday, 24 October
Light rain. High 53°, low 47°.
0.03Roche Harbor, Sunday, 25 October
Light rain. High 55°, low 53°.
0Roche Harbor, Monday, 26 October
Clear. High 57°, low 53°.
0Roche Harbor, Tuesday, 27 October
Overcast. High 55°, low 51°.
0Roche Harbor, Wednesday, 28 October
Overcast. High 55°, low 50°.
0Roche Harbor, Thursday, 29 October
Overcast. High 54°, low 50°.
0.14Roche Harbor, Friday, 30 October
Light rain. High 52°, low 49°.
0Roche Harbor, Saturday, 31 October
Overcast. High 53°, low 49°.
0Roche Harbor, Sunday, 1 November
Overcast. High 52°, low 48°.
0.07Roche Harbor, Monday, 2 November
Light rain. High 53°, low 49°.
0.09Roche Harbor, Tuesday, 3 November
Light rain. High 53°, low 50°.
0.06Roche Harbor, Wednesday, 4 November
Light rain. High 54°, low 53°.
0.1Roche Harbor, Thursday, 5 November
Light rain. High 57°, low 52°.
0.23Roche Harbor, Friday, 6 November
Climate normal for this date — 60-year average.
0.2Roche Harbor, Saturday, 7 November
Climate normal for this date — 60-year average.
0.15
Roche Harbor, Sunday, 8 November
Climate normal for this date — 60-year average.
0.22Roche Harbor, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Roche Harbor, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.21Roche Harbor, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.2Roche Harbor, Thursday, 12 November
Climate normal for this date — 60-year average.
0.22Roche Harbor, Friday, 13 November
Climate normal for this date — 60-year average.
0.2Roche Harbor, Saturday, 14 November
Climate normal for this date — 60-year average.
0.25Roche Harbor, Sunday, 15 November
Climate normal for this date — 60-year average.
0.19Roche Harbor, Monday, 16 November
Climate normal for this date — 60-year average.
0.17Roche Harbor, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.13Roche Harbor, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.26Roche Harbor, Thursday, 19 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 Roche Harbor, 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 Roche Harbor, 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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