Weather in Discovery Bay, CA
Discovery Bay, Thursday, 12 November, 17:49
Light rain. Feels like 66°. High 74°, low 50°.
Monthly outlook for Discovery Bay, CA: average high 58.9°, average low 45.3°. That is 1.7° below the climate normal for November. Precipitation is expected on 5 days (about 3.1 inches), against a normal of 3 days and 1.1 inches. The warmest day looks like 12 November (73.6°), the coolest 22 November (39.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 60° | 63.1° | -1.7° |
| 22 November – 1 December | 57° | 59.4° | -1.3° |
| 2 December – 11 December | at normal | 57.8° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Mountain House (10 mi).
0.44Discovery Bay, Friday, 13 November
Rain. High 61°, low 44°.
0
Discovery Bay, Saturday, 14 November
Overcast. High 62°, low 41°.
0.18Discovery Bay, Sunday, 15 November
Rain. High 66°, low 51°.
0.04Discovery Bay, Monday, 16 November
Light rain. High 61°, low 49°.
0
Discovery Bay, Tuesday, 17 November
Clear. High 61°, low 45°.
2.26Discovery Bay, Wednesday, 18 November
Heavy rain. High 54°, low 48°.
0.16Discovery Bay, Thursday, 19 November
Light rain. High 57°, low 46°.
0Discovery Bay, Friday, 20 November
Overcast. High 52°, low 44°.
0Discovery Bay, Saturday, 21 November
Overcast. High 52°, low 39°.
0Discovery Bay, Sunday, 22 November
Clear. High 54°, low 39°.
0Discovery Bay, Monday, 23 November
Clear. High 55°, low 40°.
0Discovery Bay, Tuesday, 24 November
Overcast. High 52°, low 43°.
0Discovery Bay, Wednesday, 25 November
Overcast. High 57°, low 42°.
0Discovery Bay, Thursday, 26 November
Overcast. High 61°, low 53°.
0
Discovery Bay, Friday, 27 November
Partly cloudy. High 62°, low 49°.
0.1Discovery Bay, Saturday, 28 November
Climate normal for this date — 60-year average.
0.1Discovery Bay, Sunday, 29 November
Climate normal for this date — 60-year average.
0.11Discovery Bay, Monday, 30 November
Climate normal for this date — 60-year average.
0.09Discovery Bay, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.13Discovery Bay, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.1Discovery Bay, Thursday, 3 December
Climate normal for this date — 60-year average.
0.06Discovery Bay, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Discovery Bay, Saturday, 5 December
Climate normal for this date — 60-year average.
0.06Discovery Bay, Sunday, 6 December
Climate normal for this date — 60-year average.
0.07Discovery Bay, Monday, 7 December
Climate normal for this date — 60-year average.
0.05
Discovery Bay, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.05Discovery Bay, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.1Discovery Bay, Thursday, 10 December
Climate normal for this date — 60-year average.
0.1Discovery Bay, Friday, 11 December
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, CA 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, CA 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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