Weather in Roche Harbor, WA
Roche Harbor, Saturday, 17 October, 04:26
Overcast. Feels like 55°. High 59°, low 47°.
Monthly outlook for Roche Harbor, WA: average high 52.7°, average low 48.2°. That is 0.2° above the climate normal for October. Precipitation is expected on 7 days (about 1.3 inches), against a normal of 7 days and 2.6 inches. The warmest day looks like 17 October (59.1°), the coolest 18 October (44.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 54.4° | 53° | +0.8° |
| 27 October – 5 November | 50° | 51° | -0.6° |
| 6 November – 15 November | at normal | 49.4° | — |
October records over 66 years
0Roche Harbor, Sunday, 18 October
Overcast. High 57°, low 44°.
0Roche Harbor, Monday, 19 October
Overcast. High 55°, low 51°.
0
Roche Harbor, Tuesday, 20 October
Clear. High 57°, low 54°.
0Roche Harbor, Wednesday, 21 October
Overcast. High 57°, low 48°.
0.01
Roche Harbor, Thursday, 22 October
Light rain. High 54°, low 50°.
0Roche Harbor, Friday, 23 October
Overcast. High 52°, low 48°.
0Roche Harbor, Saturday, 24 October
Overcast. High 51°, low 46°.
0.39Roche Harbor, Sunday, 25 October
Rain. High 51°, low 49°.
0.26Roche Harbor, Monday, 26 October
Light rain. High 51°, low 49°.
0.08Roche Harbor, Tuesday, 27 October
Light rain. High 51°, low 48°.
0.23Roche Harbor, Wednesday, 28 October
Light rain. High 49°, low 48°.
0Roche Harbor, Thursday, 29 October
Light rain. High 51°, low 46°.
0.12Roche Harbor, Friday, 30 October
Light rain. High 49°, low 47°.
0.01Roche Harbor, Saturday, 31 October
Light rain. High 51°, low 48°.
0.09Roche Harbor, Sunday, 1 November
Light rain. High 50°, low 49°.
0.18Roche Harbor, Monday, 2 November
Climate normal for this date — 60-year average.
0.24Roche Harbor, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.2Roche Harbor, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Roche Harbor, Thursday, 5 November
Climate normal for this date — 60-year average.
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.
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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