Weather in Mill Valley, CA
Mill Valley, Thursday, 15 October, 03:55
Clear. Feels like 56°. High 85°, low 51°.
Monthly outlook for Mill Valley, CA: average high 65.3°, average low 53.1°. That is 1.6° below the climate normal for October. Precipitation is expected on 1 day (about 0.7 inches), against a normal of 2 days and 0.8 inches. The warmest day looks like 16 October (89.2°), the coolest 19 October (48.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 66.6° | 69.1° | -1.4° |
| 25 October – 3 November | 63.2° | 66.7° | -1.9° |
| 4 November – 13 November | at normal | 63.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Marin City (3 mi).
0
Mill Valley, Friday, 16 October
Clear. High 89°, low 53°.
0Mill Valley, Saturday, 17 October
Clear. High 82°, low 58°.
0
Mill Valley, Sunday, 18 October
Mostly clear. High 63°, low 49°.
0
Mill Valley, Monday, 19 October
Partly cloudy. High 58°, low 48°.
0.67
Mill Valley, Tuesday, 20 October
Rain. High 54°, low 51°.
0Mill Valley, Wednesday, 21 October
Mostly clear. High 58°, low 50°.
0Mill Valley, Thursday, 22 October
Clear. High 56°, low 49°.
0Mill Valley, Friday, 23 October
Clear. High 59°, low 52°.
0Mill Valley, Saturday, 24 October
Clear. High 63°, low 55°.
0Mill Valley, Sunday, 25 October
Clear. High 64°, low 56°.
0Mill Valley, Monday, 26 October
Clear. High 65°, low 56°.
0Mill Valley, Tuesday, 27 October
Partly cloudy. High 67°, low 57°.
0Mill Valley, Wednesday, 28 October
Clear. High 65°, low 58°.
0Mill Valley, Thursday, 29 October
Clear. High 61°, low 55°.
0
Mill Valley, Friday, 30 October
Overcast. High 57°, low 53°.
0.03Mill Valley, Saturday, 31 October
Climate normal for this date — 60-year average.
0.06Mill Valley, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Mill Valley, Monday, 2 November
Climate normal for this date — 60-year average.
0.03Mill Valley, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03Mill Valley, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.06Mill Valley, Thursday, 5 November
Climate normal for this date — 60-year average.
0.07Mill Valley, Friday, 6 November
Climate normal for this date — 60-year average.
0.09Mill Valley, Saturday, 7 November
Climate normal for this date — 60-year average.
0.08Mill Valley, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Mill Valley, Monday, 9 November
Climate normal for this date — 60-year average.
0.14Mill Valley, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.1Mill Valley, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.08Mill Valley, Thursday, 12 November
Climate normal for this date — 60-year average.
0.14Mill Valley, Friday, 13 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 Mill 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 Mill 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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