Weather in San Clemente, CA
San Clemente, Saturday, 8 August, 18:35
Clear. Feels like 79°. High 98°, low 70°.
Monthly outlook for San Clemente, CA: average high 79.7°, average low 67.5°. That is 0.2° above 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 8 August (97.6°), the coolest 23 August (64.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 81.4° | 79.5° | +1.1° |
| 18 August – 27 August | 76.9° | 79.6° | -1.5° |
| 28 August – 6 September | at normal | 81.3° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Aliso Viejo (11 mi).
0San Clemente, Sunday, 9 August
Clear. High 93°, low 70°.
0San Clemente, Monday, 10 August
Clear. High 86°, low 70°.
0
San Clemente, Tuesday, 11 August
Partly cloudy. High 79°, low 70°.
0San Clemente, Wednesday, 12 August
Clear. High 76°, low 68°.
0
San Clemente, Thursday, 13 August
Overcast. High 74°, low 67°.
0San Clemente, Friday, 14 August
Overcast. High 73°, low 66°.
0San Clemente, Saturday, 15 August
Clear. High 76°, low 66°.
0San Clemente, Sunday, 16 August
Overcast. High 78°, low 67°.
0San Clemente, Monday, 17 August
Clear. High 81°, low 67°.
0San Clemente, Tuesday, 18 August
Partly cloudy. High 80°, low 69°.
0San Clemente, Wednesday, 19 August
Partly cloudy. High 79°, low 69°.
0San Clemente, Thursday, 20 August
Clear. High 77°, low 68°.
0
San Clemente, Friday, 21 August
Mostly clear. High 75°, low 66°.
0San Clemente, Saturday, 22 August
Clear. High 74°, low 64°.
0San Clemente, Sunday, 23 August
Clear. High 76°, low 64°.
0San Clemente, Monday, 24 August
Climate normal for this date — 60-year average.
0San Clemente, Tuesday, 25 August
Climate normal for this date — 60-year average.
0San Clemente, Wednesday, 26 August
Climate normal for this date — 60-year average.
0San Clemente, Thursday, 27 August
Climate normal for this date — 60-year average.
0San Clemente, Friday, 28 August
Climate normal for this date — 60-year average.
0San Clemente, Saturday, 29 August
Climate normal for this date — 60-year average.
0San Clemente, Sunday, 30 August
Climate normal for this date — 60-year average.
0San Clemente, Monday, 31 August
Climate normal for this date — 60-year average.
0.01San Clemente, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.01San Clemente, Wednesday, 2 September
Climate normal for this date — 60-year average.
0San Clemente, Thursday, 3 September
Climate normal for this date — 60-year average.
0San Clemente, Friday, 4 September
Climate normal for this date — 60-year average.
0.01San Clemente, Saturday, 5 September
Climate normal for this date — 60-year average.
0.01San Clemente, 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 Clemente, 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 Clemente, 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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