Weather in Discovery Bay, WA
Discovery Bay, Thursday, 22 October, 08:41
Clear. Feels like 48°. High 57°, low 41°.
Monthly outlook for Discovery Bay, WA: average high 54°, average low 42.7°. That is 0.5° above the climate normal for October. Precipitation is expected on 5 days (about 4.1 inches), against a normal of 9 days and 3.5 inches. The warmest day looks like 3 November (64.2°), the coolest 27 October (38.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 53.3° | 53.8° | -0.2° |
| 1 November – 10 November | 55° | 51.5° | +2° |
| 11 November – 20 November | at normal | 48.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Marrowstone (10 mi).
0
Discovery Bay, Friday, 23 October
Mostly clear. High 57°, low 39°.
0.02
Discovery Bay, Saturday, 24 October
Light rain. High 46°, low 41°.
0.22Discovery Bay, Sunday, 25 October
Rain. High 51°, low 42°.
0
Discovery Bay, Monday, 26 October
Overcast. High 52°, low 41°.
0Discovery Bay, Tuesday, 27 October
Clear. High 53°, low 39°.
0Discovery Bay, Wednesday, 28 October
Clear. High 54°, low 42°.
0Discovery Bay, Thursday, 29 October
Clear. High 57°, low 42°.
0
Discovery Bay, Friday, 30 October
Partly cloudy. High 55°, low 43°.
0Discovery Bay, Saturday, 31 October
Overcast. High 52°, low 43°.
0Discovery Bay, Sunday, 1 November
Overcast. High 55°, low 42°.
0Discovery Bay, Monday, 2 November
Overcast. High 57°, low 46°.
0.1Discovery Bay, Tuesday, 3 November
Light rain. High 64°, low 47°.
0.87Discovery Bay, Wednesday, 4 November
Heavy rain. High 55°, low 46°.
2.05Discovery Bay, Thursday, 5 November
Heavy rain. High 49°, low 45°.
0.8Discovery Bay, Friday, 6 November
Heavy rain. High 49°, low 45°.
0.23Discovery Bay, Saturday, 7 November
Climate normal for this date — 60-year average.
0.22Discovery Bay, Sunday, 8 November
Climate normal for this date — 60-year average.
0.22Discovery Bay, Monday, 9 November
Climate normal for this date — 60-year average.
0.17Discovery Bay, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.24Discovery Bay, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.26Discovery Bay, Thursday, 12 November
Climate normal for this date — 60-year average.
0.3Discovery Bay, Friday, 13 November
Climate normal for this date — 60-year average.
0.26Discovery Bay, Saturday, 14 November
Climate normal for this date — 60-year average.
0.28Discovery Bay, Sunday, 15 November
Climate normal for this date — 60-year average.
0.25Discovery Bay, Monday, 16 November
Climate normal for this date — 60-year average.
0.26Discovery Bay, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.21Discovery Bay, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.32Discovery Bay, Thursday, 19 November
Climate normal for this date — 60-year average.
0.26Discovery Bay, Friday, 20 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 Discovery Bay, 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 Discovery Bay, 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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