Weather in Foster City, CA
Foster City, Wednesday, 4 November, 08:54
Mostly clear. Feels like 57°. High 67°, low 53°.
Monthly outlook for Foster City, CA: average high 64.8°, average low 55°. That is 1° above the climate normal for November. Precipitation is expected on 2 days (about 0.7 inches), against a normal of 4 days and 1.2 inches. The warmest day looks like 5 November (72.5°), the coolest 17 November (51.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 4 November – 13 November | 66.3° | 63.8° | +1.4° |
| 14 November – 23 November | 62.3° | 61.1° | +0.7° |
| 24 November – 3 December | at normal | 58.9° | — |
November records over 66 years
0Foster City, Thursday, 5 November
Mostly clear. High 73°, low 53°.
0
Foster City, Friday, 6 November
Overcast. High 65°, low 57°.
0Foster City, Saturday, 7 November
Mostly clear. High 66°, low 57°.
0Foster City, Sunday, 8 November
Overcast. High 66°, low 57°.
0Foster City, Monday, 9 November
Mostly clear. High 66°, low 60°.
0
Foster City, Tuesday, 10 November
Partly cloudy. High 64°, low 54°.
0Foster City, Wednesday, 11 November
Overcast. High 66°, low 55°.
0Foster City, Thursday, 12 November
Overcast. High 65°, low 57°.
0
Foster City, Friday, 13 November
Clear. High 67°, low 55°.
0.24
Foster City, Saturday, 14 November
Rain. High 70°, low 56°.
0.44Foster City, Sunday, 15 November
Rain. High 61°, low 53°.
0Foster City, Monday, 16 November
Clear. High 59°, low 53°.
0Foster City, Tuesday, 17 November
Clear. High 61°, low 51°.
0Foster City, Wednesday, 18 November
Clear. High 63°, low 54°.
0Foster City, Thursday, 19 November
Clear. High 60°, low 53°.
0.1Foster City, Friday, 20 November
Climate normal for this date — 60-year average.
0.08Foster City, Saturday, 21 November
Climate normal for this date — 60-year average.
0.08Foster City, Sunday, 22 November
Climate normal for this date — 60-year average.
0.05Foster City, Monday, 23 November
Climate normal for this date — 60-year average.
0.08Foster City, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.06Foster City, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.08Foster City, Thursday, 26 November
Climate normal for this date — 60-year average.
0.07Foster City, Friday, 27 November
Climate normal for this date — 60-year average.
0.11Foster City, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11Foster City, Sunday, 29 November
Climate normal for this date — 60-year average.
0.16Foster City, Monday, 30 November
Climate normal for this date — 60-year average.
0.11Foster City, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.17Foster City, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.12Foster City, Thursday, 3 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 Foster City, 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 Foster City, 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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