Weather in San Diego, CA
San Diego, Sunday, 9 August, 02:58
Partly cloudy. Feels like 70°. High 88°, low 69°.
Monthly outlook for San Diego, CA: average high 80°, average low 70.7°. That is 0.3° above the climate normal for August. Precipitation is expected on 1 day (about 0.0 inches), against a normal of 0 days and 0.1 inches. The warmest day looks like 9 August (87.8°), the coolest 10 August (68.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.2° | 79.6° | +0.4° |
| 19 August – 28 August | 79.6° | 80.1° | -0.3° |
| 29 August – 7 September | at normal | 81.2° | — |
August records over 66 years
0
San Diego, Monday, 10 August
Partly cloudy. High 87°, low 68°.
0
San Diego, Tuesday, 11 August
Clear. High 81°, low 73°.
0San Diego, Wednesday, 12 August
Clear. High 79°, low 72°.
0
San Diego, Thursday, 13 August
Overcast. High 76°, low 70°.
0San Diego, Friday, 14 August
Overcast. High 76°, low 69°.
0.04
San Diego, Saturday, 15 August
Light rain. High 76°, low 71°.
0San Diego, Sunday, 16 August
Overcast. High 79°, low 72°.
0San Diego, Monday, 17 August
Overcast. High 80°, low 71°.
0San Diego, Tuesday, 18 August
Partly cloudy. High 80°, low 71°.
0San Diego, Wednesday, 19 August
Overcast. High 78°, low 70°.
0San Diego, Thursday, 20 August
Overcast. High 78°, low 70°.
0San Diego, Friday, 21 August
Clear. High 79°, low 70°.
0San Diego, Saturday, 22 August
Clear. High 82°, low 72°.
0San Diego, Sunday, 23 August
Clear. High 80°, low 72°.
0San Diego, Monday, 24 August
Clear. High 80°, low 71°.
0.01
San Diego, Tuesday, 25 August
Climate normal for this date — 60-year average.
0San Diego, Wednesday, 26 August
Climate normal for this date — 60-year average.
0San Diego, Thursday, 27 August
Climate normal for this date — 60-year average.
0San Diego, Friday, 28 August
Climate normal for this date — 60-year average.
0San Diego, Saturday, 29 August
Climate normal for this date — 60-year average.
0San Diego, Sunday, 30 August
Climate normal for this date — 60-year average.
0San Diego, Monday, 31 August
Climate normal for this date — 60-year average.
0.01San Diego, Tuesday, 1 September
Climate normal for this date — 60-year average.
0San Diego, Wednesday, 2 September
Climate normal for this date — 60-year average.
0San Diego, Thursday, 3 September
Climate normal for this date — 60-year average.
0San Diego, Friday, 4 September
Climate normal for this date — 60-year average.
0San Diego, Saturday, 5 September
Climate normal for this date — 60-year average.
0San Diego, Sunday, 6 September
Climate normal for this date — 60-year average.
0.01San Diego, Monday, 7 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 Diego, 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 Diego, 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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