Weather in Lucas Valley-Marinwood, CA
Lucas Valley-Marinwood, Sunday, 9 August, 11:26
Clear. Feels like 69°. High 78°, low 56°.
Monthly outlook for Lucas Valley-Marinwood, CA: average high 72.5°, average low 53°. That is 2° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 0 days and 0.0 inches. The warmest day looks like 23 August (81°), the coolest 11 August (50.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 69.7° | 69° | +0.4° |
| 19 August – 28 August | 77° | 68.9° | +4.5° |
| 29 August – 7 September | at normal | 70.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Bolinas (11 mi).
0
Lucas Valley-Marinwood, Monday, 10 August
Mostly clear. High 76°, low 52°.
0Lucas Valley-Marinwood, Tuesday, 11 August
Clear. High 69°, low 50°.
0Lucas Valley-Marinwood, Wednesday, 12 August
Clear. High 65°, low 51°.
0Lucas Valley-Marinwood, Thursday, 13 August
Mostly clear. High 63°, low 52°.
0Lucas Valley-Marinwood, Friday, 14 August
Clear. High 65°, low 51°.
0Lucas Valley-Marinwood, Saturday, 15 August
Clear. High 67°, low 51°.
0
Lucas Valley-Marinwood, Sunday, 16 August
Overcast. High 68°, low 51°.
0
Lucas Valley-Marinwood, Monday, 17 August
Partly cloudy. High 72°, low 53°.
0Lucas Valley-Marinwood, Tuesday, 18 August
Clear. High 74°, low 53°.
0Lucas Valley-Marinwood, Wednesday, 19 August
Overcast. High 75°, low 54°.
0Lucas Valley-Marinwood, Thursday, 20 August
Overcast. High 74°, low 53°.
0Lucas Valley-Marinwood, Friday, 21 August
Clear. High 76°, low 53°.
0Lucas Valley-Marinwood, Saturday, 22 August
Mostly clear. High 79°, low 55°.
0Lucas Valley-Marinwood, Sunday, 23 August
Overcast. High 81°, low 57°.
0Lucas Valley-Marinwood, Monday, 24 August
Clear. High 77°, low 56°.
0Lucas Valley-Marinwood, Tuesday, 25 August
Climate normal for this date — 60-year average.
0Lucas Valley-Marinwood, Wednesday, 26 August
Climate normal for this date — 60-year average.
0Lucas Valley-Marinwood, Thursday, 27 August
Climate normal for this date — 60-year average.
0Lucas Valley-Marinwood, Friday, 28 August
Climate normal for this date — 60-year average.
0Lucas Valley-Marinwood, Saturday, 29 August
Climate normal for this date — 60-year average.
0Lucas Valley-Marinwood, Sunday, 30 August
Climate normal for this date — 60-year average.
0.01Lucas Valley-Marinwood, Monday, 31 August
Climate normal for this date — 60-year average.
0Lucas Valley-Marinwood, Tuesday, 1 September
Climate normal for this date — 60-year average.
0Lucas Valley-Marinwood, Wednesday, 2 September
Climate normal for this date — 60-year average.
0Lucas Valley-Marinwood, Thursday, 3 September
Climate normal for this date — 60-year average.
0Lucas Valley-Marinwood, Friday, 4 September
Climate normal for this date — 60-year average.
0Lucas Valley-Marinwood, Saturday, 5 September
Climate normal for this date — 60-year average.
0Lucas Valley-Marinwood, Sunday, 6 September
Climate normal for this date — 60-year average.
0Lucas Valley-Marinwood, Monday, 7 September
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-Marinwood, 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-Marinwood, 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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