Weather in Lucas Valley, CA
Lucas Valley, Sunday, 15 November, 04:24
Overcast. Feels like 55°. High 62°, low 53°.
Monthly outlook for Lucas Valley, CA: average high 58.8°, average low 49.8°. That is 0.5° below the climate normal for November. Precipitation is expected on 7 days (about 5.9 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 27 November (64.4°), the coolest 17 November (41.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 57.9° | 60.4° | -1.4° |
| 25 November – 4 December | 60.3° | 58.3° | +1.1° |
| 5 December – 14 December | at normal | 56.4° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Marin City (11 mi).
0
Lucas Valley, Monday, 16 November
Clear. High 60°, low 45°.
0.02
Lucas Valley, Tuesday, 17 November
Light rain. High 59°, low 41°.
1.63Lucas Valley, Wednesday, 18 November
Heavy rain. High 54°, low 49°.
0.66Lucas Valley, Thursday, 19 November
Rain. High 48°, low 44°.
0
Lucas Valley, Friday, 20 November
Mostly clear. High 57°, low 41°.
0Lucas Valley, Saturday, 21 November
Overcast. High 58°, low 53°.
0.35Lucas Valley, Sunday, 22 November
Light rain. High 58°, low 55°.
0.07Lucas Valley, Monday, 23 November
Light rain. High 60°, low 54°.
1.16Lucas Valley, Tuesday, 24 November
Heavy rain. High 61°, low 60°.
1.31Lucas Valley, Wednesday, 25 November
Heavy rain. High 60°, low 53°.
0Lucas Valley, Thursday, 26 November
Clear. High 61°, low 50°.
0Lucas Valley, Friday, 27 November
Clear. High 64°, low 50°.
0Lucas Valley, Saturday, 28 November
Overcast. High 58°, low 49°.
0Lucas Valley, Sunday, 29 November
Overcast. High 60°, low 51°.
0Lucas Valley, Monday, 30 November
Clear. High 58°, low 50°.
0.16
Lucas 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.
0.11Lucas Valley, Sunday, 13 December
Climate normal for this date — 60-year average.
0.17Lucas Valley, Monday, 14 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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