Weather in San Mateo, CA
San Mateo, Tuesday, 3 November, 01:06
Clear. Feels like 54°. High 64°, low 50°.
Monthly outlook for San Mateo, CA: average high 64.6°, average low 55.1°. That is 0.6° above the climate normal for November. Precipitation is expected on 4 days (about 2.9 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 7 November (68.4°), the coolest 4 November (47.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 3 November – 12 November | 65.8° | 64.3° | +0.9° |
| 13 November – 22 November | 62.6° | 61.3° | +0.7° |
| 23 November – 2 December | at normal | 59° | — |
November records over 66 years
0
San Mateo, Wednesday, 4 November
Clear. High 66°, low 48°.
0San Mateo, Thursday, 5 November
Clear. High 66°, low 53°.
0
San Mateo, Friday, 6 November
Overcast. High 65°, low 54°.
0
San Mateo, Saturday, 7 November
Mostly clear. High 68°, low 56°.
0San Mateo, Sunday, 8 November
Mostly clear. High 66°, low 56°.
0
San Mateo, Monday, 9 November
Partly cloudy. High 65°, low 58°.
0San Mateo, Tuesday, 10 November
Clear. High 65°, low 57°.
0San Mateo, Wednesday, 11 November
Overcast. High 67°, low 57°.
0San Mateo, Thursday, 12 November
Overcast. High 65°, low 58°.
0San Mateo, Friday, 13 November
Overcast. High 65°, low 56°.
1.54
San Mateo, Saturday, 14 November
Heavy rain. High 62°, low 55°.
0.22San Mateo, Sunday, 15 November
Rain. High 61°, low 54°.
0.89San Mateo, Monday, 16 November
Rain. High 63°, low 57°.
0San Mateo, Tuesday, 17 November
Overcast. High 62°, low 58°.
0San Mateo, Wednesday, 18 November
Overcast. High 62°, low 56°.
0.04San Mateo, Thursday, 19 November
Climate normal for this date — 60-year average.
0.1San Mateo, Friday, 20 November
Climate normal for this date — 60-year average.
0.08San Mateo, Saturday, 21 November
Climate normal for this date — 60-year average.
0.08San Mateo, Sunday, 22 November
Climate normal for this date — 60-year average.
0.05San Mateo, Monday, 23 November
Climate normal for this date — 60-year average.
0.08San Mateo, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.06San Mateo, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.08San Mateo, Thursday, 26 November
Climate normal for this date — 60-year average.
0.07San Mateo, Friday, 27 November
Climate normal for this date — 60-year average.
0.11San Mateo, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11San Mateo, Sunday, 29 November
Climate normal for this date — 60-year average.
0.16San Mateo, Monday, 30 November
Climate normal for this date — 60-year average.
0.11San Mateo, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.17San Mateo, Wednesday, 2 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 San Mateo, 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 San Mateo, 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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