Weather in Mill Valley, CA
Mill Valley, Saturday, 17 October, 14:23
Clear. Feels like 80°. High 82°, low 50°.
Monthly outlook for Mill Valley, CA: average high 60.2°, average low 48.6°. That is 4.2° below the climate normal for October. Precipitation is expected on 6 days (about 1.5 inches), against a normal of 2 days and 0.8 inches. The warmest day looks like 17 October (82.4°), the coolest 19 October (39.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 62.8° | 68.7° | -3.3° |
| 27 October – 5 November | 55.9° | 66.1° | -5.7° |
| 6 November – 15 November | at normal | 62.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Marin City (3 mi).
0Mill Valley, Sunday, 18 October
Clear. High 71°, low 43°.
0.22
Mill Valley, Monday, 19 October
Rain. High 57°, low 39°.
0.57Mill Valley, Tuesday, 20 October
Rain. High 57°, low 47°.
0.05Mill Valley, Wednesday, 21 October
Light rain. High 62°, low 47°.
0Mill Valley, Thursday, 22 October
Clear. High 65°, low 46°.
0Mill Valley, Friday, 23 October
Clear. High 57°, low 50°.
0
Mill Valley, Saturday, 24 October
Mostly clear. High 57°, low 51°.
0
Mill Valley, Sunday, 25 October
Overcast. High 58°, low 52°.
0Mill Valley, Monday, 26 October
Overcast. High 60°, low 55°.
0Mill Valley, Tuesday, 27 October
Overcast. High 58°, low 53°.
0.1Mill Valley, Wednesday, 28 October
Light rain. High 57°, low 51°.
0Mill Valley, Thursday, 29 October
Overcast. High 55°, low 48°.
0.44Mill Valley, Friday, 30 October
Rain. High 55°, low 52°.
0.16Mill Valley, Saturday, 31 October
Light rain. High 57°, low 49°.
0Mill Valley, Sunday, 1 November
Clear. High 53°, low 46°.
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.
0.07
Mill 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.
0.06Mill Valley, Saturday, 14 November
Climate normal for this date — 60-year average.
0.09Mill Valley, Sunday, 15 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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