Weather in Discovery Bay, WA
Discovery Bay, Sunday, 25 October, 09:15
Overcast. Feels like 45°. High 55°, low 44°.
Monthly outlook for Discovery Bay, WA: average high 50°, average low 41.6°. That is 1.2° below the climate normal for October. Precipitation is expected on 11 days (about 4.4 inches), against a normal of 10 days and 3.5 inches. The warmest day looks like 26 October (56.9°), the coolest 31 October (35.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 49.4° | 52.9° | -2° |
| 4 November – 13 November | 51.2° | 50.8° | +0.2° |
| 14 November – 23 November | at normal | 47.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Marrowstone (10 mi).
0.01
Discovery Bay, Monday, 26 October
Light rain. High 57°, low 45°.
0.33Discovery Bay, Tuesday, 27 October
Rain. High 51°, low 43°.
0.13Discovery Bay, Wednesday, 28 October
Light rain. High 46°, low 38°.
0.3Discovery Bay, Thursday, 29 October
Light rain. High 47°, low 38°.
0.04Discovery Bay, Friday, 30 October
Light rain. High 47°, low 35°.
0
Discovery Bay, Saturday, 31 October
Clear. High 48°, low 35°.
0
Discovery Bay, Sunday, 1 November
Partly cloudy. High 46°, low 36°.
0.01Discovery Bay, Monday, 2 November
Light rain. High 51°, low 36°.
0.3Discovery Bay, Tuesday, 3 November
Rain. High 45°, low 43°.
0.14Discovery Bay, Wednesday, 4 November
Light rain. High 48°, low 45°.
1.27Discovery Bay, Thursday, 5 November
Rain. High 47°, low 46°.
0.16Discovery Bay, Friday, 6 November
Light rain. High 50°, low 44°.
0Discovery Bay, Saturday, 7 November
Light rain. High 56°, low 45°.
0.26Discovery Bay, Sunday, 8 November
Light rain. High 49°, low 45°.
1.28Discovery Bay, Monday, 9 November
Heavy rain. High 56°, low 47°.
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.
0.25Discovery Bay, Saturday, 21 November
Climate normal for this date — 60-year average.
0.22Discovery Bay, Sunday, 22 November
Climate normal for this date — 60-year average.
0.32Discovery Bay, Monday, 23 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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