Weather in Mill Valley, MA
Mill Valley, Saturday, 17 October, 23:15
Clear. Feels like 34°. High 56°, low 34°.
Monthly outlook for Mill Valley, MA: average high 59.2°, average low 38.2°. That is 1.1° above the climate normal for October. Precipitation is expected on 2 days (about 1.4 inches), against a normal of 4 days and 2.0 inches. The warmest day looks like 30 October (73.3°), the coolest 18 October (29.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 57.5° | 58.4° | -0.5° |
| 27 October – 5 November | 61.9° | 55.1° | +3.8° |
| 6 November – 15 November | at normal | 50.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Granby (7 mi).
0
Mill Valley, Sunday, 18 October
Clear. High 55°, low 30°.
0
Mill Valley, Monday, 19 October
Overcast. High 61°, low 37°.
0Mill Valley, Tuesday, 20 October
Clear. High 62°, low 44°.
0Mill Valley, Wednesday, 21 October
Clear. High 55°, low 38°.
0Mill Valley, Thursday, 22 October
Clear. High 62°, low 32°.
0Mill Valley, Friday, 23 October
Clear. High 52°, low 37°.
0Mill Valley, Saturday, 24 October
Clear. High 55°, low 33°.
0Mill Valley, Sunday, 25 October
Overcast. High 60°, low 33°.
0Mill Valley, Monday, 26 October
Overcast. High 57°, low 42°.
0Mill Valley, Tuesday, 27 October
Clear. High 59°, low 36°.
0Mill Valley, Wednesday, 28 October
Clear. High 62°, low 38°.
0Mill Valley, Thursday, 29 October
Overcast. High 64°, low 40°.
0.05
Mill Valley, Friday, 30 October
Light rain. High 73°, low 51°.
0.02Mill Valley, Saturday, 31 October
Light rain. High 62°, low 45°.
1.33Mill Valley, Sunday, 1 November
Heavy rain. High 52°, low 43°.
0.09
Mill Valley, Monday, 2 November
Climate normal for this date — 60-year average.
0.13
Mill Valley, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.05Mill Valley, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.13Mill Valley, Thursday, 5 November
Climate normal for this date — 60-year average.
0.13Mill Valley, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Mill Valley, Saturday, 7 November
Climate normal for this date — 60-year average.
0.12Mill 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.
0.15Mill Valley, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.15Mill Valley, Thursday, 12 November
Climate normal for this date — 60-year average.
0.17Mill Valley, Friday, 13 November
Climate normal for this date — 60-year average.
0.12Mill Valley, Saturday, 14 November
Climate normal for this date — 60-year average.
0.11Mill 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, MA 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, MA 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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