Weather in Lucas Valley, CA
Lucas Valley, Friday, 13 November, 11:30
Heavy rain. Feels like 54°. High 60°, low 51°.
Monthly outlook for Lucas Valley, CA: average high 56.8°, average low 47.5°. That is 1.9° below the climate normal for November. Precipitation is expected on 6 days (about 2.9 inches), against a normal of 4 days and 1.5 inches. The warmest day looks like 14 November (64.6°), the coolest 17 November (40.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 55.9° | 60.8° | -2.7° |
| 23 November – 2 December | 58.4° | 58.7° | -0.2° |
| 3 December – 12 December | at normal | 56.9° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Marin City (11 mi).
0.02Lucas Valley, Saturday, 14 November
Light rain. High 65°, low 50°.
0.92Lucas Valley, Sunday, 15 November
Heavy rain. High 58°, low 49°.
0
Lucas Valley, Monday, 16 November
Clear. High 59°, low 46°.
0Lucas Valley, Tuesday, 17 November
Clear. High 58°, low 40°.
0.72Lucas Valley, Wednesday, 18 November
Heavy rain. High 56°, low 46°.
0
Lucas Valley, Thursday, 19 November
Partly cloudy. High 54°, low 44°.
0Lucas Valley, Friday, 20 November
Clear. High 53°, low 42°.
0
Lucas Valley, Saturday, 21 November
Overcast. High 49°, low 43°.
0.28Lucas Valley, Sunday, 22 November
Rain. High 47°, low 46°.
0.16Lucas Valley, Monday, 23 November
Light rain. High 55°, low 47°.
0Lucas Valley, Tuesday, 24 November
Clear. High 59°, low 50°.
0Lucas Valley, Wednesday, 25 November
Overcast. High 58°, low 50°.
0Lucas Valley, Thursday, 26 November
Partly cloudy. High 59°, low 50°.
0.05Lucas Valley, Friday, 27 November
Light rain. High 60°, low 52°.
0Lucas Valley, Saturday, 28 November
Overcast. High 60°, low 54°.
0.15Lucas Valley, Sunday, 29 November
Climate normal for this date — 60-year average.
0.16Lucas Valley, Monday, 30 November
Climate normal for this date — 60-year average.
0.16Lucas Valley, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.22Lucas Valley, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.18Lucas Valley, Thursday, 3 December
Climate normal for this date — 60-year average.
0.1Lucas Valley, Friday, 4 December
Climate normal for this date — 60-year average.
0.1Lucas Valley, Saturday, 5 December
Climate normal for this date — 60-year average.
0.09Lucas Valley, Sunday, 6 December
Climate normal for this date — 60-year average.
0.1
Lucas Valley, Monday, 7 December
Climate normal for this date — 60-year average.
0.09Lucas Valley, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.11Lucas Valley, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.12Lucas Valley, Thursday, 10 December
Climate normal for this date — 60-year average.
0.15Lucas Valley, Friday, 11 December
Climate normal for this date — 60-year average.
0.15Lucas Valley, Saturday, 12 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 Lucas Valley, 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 Lucas Valley, 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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