Weather in San Leandro, CA
San Leandro, Saturday, 8 August, 18:27
Clear. Feels like 70°. High 86°, low 61°.
Monthly outlook for San Leandro, CA: average high 77.3°, average low 57.7°. That is 0.7° below the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 0 days and 0.1 inches. The warmest day looks like 9 August (89.7°), the coolest 19 August (55.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 79.5° | 79° | +0.3° |
| 18 August – 27 August | 73.5° | 78.2° | -2.6° |
| 28 August – 6 September | at normal | 80.1° | — |
August records over 66 years
0San Leandro, Sunday, 9 August
Clear. High 90°, low 63°.
0
San Leandro, Monday, 10 August
Mostly clear. High 80°, low 58°.
0San Leandro, Tuesday, 11 August
Clear. High 82°, low 57°.
0
San Leandro, Wednesday, 12 August
Overcast. High 80°, low 58°.
0San Leandro, Thursday, 13 August
Overcast. High 78°, low 59°.
0San Leandro, Friday, 14 August
Clear. High 76°, low 57°.
0San Leandro, Saturday, 15 August
Clear. High 75°, low 57°.
0San Leandro, Sunday, 16 August
Overcast. High 75°, low 57°.
0San Leandro, Monday, 17 August
Overcast. High 73°, low 59°.
0
San Leandro, Tuesday, 18 August
Partly cloudy. High 72°, low 57°.
0San Leandro, Wednesday, 19 August
Clear. High 73°, low 55°.
0San Leandro, Thursday, 20 August
Overcast. High 70°, low 58°.
0San Leandro, Friday, 21 August
Clear. High 79°, low 56°.
0San Leandro, Saturday, 22 August
Overcast. High 73°, low 56°.
0San Leandro, Sunday, 23 August
Mostly clear. High 74°, low 57°.
0San Leandro, Monday, 24 August
Climate normal for this date — 60-year average.
0San Leandro, Tuesday, 25 August
Climate normal for this date — 60-year average.
0San Leandro, Wednesday, 26 August
Climate normal for this date — 60-year average.
0San Leandro, Thursday, 27 August
Climate normal for this date — 60-year average.
0San Leandro, Friday, 28 August
Climate normal for this date — 60-year average.
0San Leandro, Saturday, 29 August
Climate normal for this date — 60-year average.
0San Leandro, Sunday, 30 August
Climate normal for this date — 60-year average.
0San Leandro, Monday, 31 August
Climate normal for this date — 60-year average.
0San Leandro, Tuesday, 1 September
Climate normal for this date — 60-year average.
0San Leandro, Wednesday, 2 September
Climate normal for this date — 60-year average.
0San Leandro, Thursday, 3 September
Climate normal for this date — 60-year average.
0San Leandro, Friday, 4 September
Climate normal for this date — 60-year average.
0San Leandro, Saturday, 5 September
Climate normal for this date — 60-year average.
0San Leandro, Sunday, 6 September
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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