Weather in San Leandro, CA
San Leandro, Monday, 19 October, 15:41
Mostly clear. Feels like 63°. High 67°, low 55°.
Monthly outlook for San Leandro, CA: average high 69.9°, average low 55.6°. That is 0.1° above the climate normal for October. Precipitation is expected on 4 days (about 1.5 inches), against a normal of 2 days and 0.7 inches. The warmest day looks like 28 October (77.2°), the coolest 21 October (48.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 71.3° | 70.8° | +0.3° |
| 29 October – 7 November | 67.6° | 67.5° | +0° |
| 8 November – 17 November | at normal | 63.8° | — |
October records over 66 years
0.01
San Leandro, Tuesday, 20 October
Light rain. High 71°, low 49°.
0.04San Leandro, Wednesday, 21 October
Light rain. High 68°, low 49°.
0
San Leandro, Thursday, 22 October
Overcast. High 63°, low 55°.
0
San Leandro, Friday, 23 October
Partly cloudy. High 68°, low 50°.
0San Leandro, Saturday, 24 October
Partly cloudy. High 69°, low 50°.
0San Leandro, Sunday, 25 October
Overcast. High 76°, low 53°.
0San Leandro, Monday, 26 October
Overcast. High 77°, low 61°.
0San Leandro, Tuesday, 27 October
Overcast. High 77°, low 60°.
0San Leandro, Wednesday, 28 October
Overcast. High 77°, low 60°.
0San Leandro, Thursday, 29 October
Overcast. High 69°, low 57°.
0.03San Leandro, Friday, 30 October
Light rain. High 66°, low 55°.
0San Leandro, Saturday, 31 October
Overcast. High 73°, low 57°.
0.5San Leandro, Sunday, 1 November
Rain. High 67°, low 60°.
0.81San Leandro, Monday, 2 November
Rain. High 67°, low 61°.
0.07San Leandro, Tuesday, 3 November
Light rain. High 64°, low 60°.
0.03San Leandro, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.05San Leandro, Thursday, 5 November
Climate normal for this date — 60-year average.
0.05San Leandro, Friday, 6 November
Climate normal for this date — 60-year average.
0.06San Leandro, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07San Leandro, Sunday, 8 November
Climate normal for this date — 60-year average.
0.08San Leandro, Monday, 9 November
Climate normal for this date — 60-year average.
0.11San Leandro, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08San Leandro, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07San Leandro, Thursday, 12 November
Climate normal for this date — 60-year average.
0.13San Leandro, Friday, 13 November
Climate normal for this date — 60-year average.
0.05San Leandro, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06San Leandro, Sunday, 15 November
Climate normal for this date — 60-year average.
0.11San Leandro, Monday, 16 November
Climate normal for this date — 60-year average.
0.11San Leandro, Tuesday, 17 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 San Leandro, 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 Leandro, 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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