Weather in San Dimas, CA
San Dimas, Friday, 13 November, 21:24
Light rain. Feels like 57°. High 65°, low 57°.
Monthly outlook for San Dimas, CA: average high 66.6°, average low 55.1°. That is 2° below the climate normal for November. Precipitation is expected on 6 days (about 2.3 inches), against a normal of 2 days and 0.9 inches. The warmest day looks like 22 November (74.6°), the coolest 18 November (43.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 65.9° | 71° | -2.8° |
| 23 November – 2 December | 67.6° | 68.1° | -0.3° |
| 3 December – 12 December | at normal | 66.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Covina (4 mi).
0.07San Dimas, Saturday, 14 November
Light rain. High 69°, low 58°.
0
San Dimas, Sunday, 15 November
Clear. High 69°, low 55°.
0.39San Dimas, Monday, 16 November
Rain. High 63°, low 52°.
0.02San Dimas, Tuesday, 17 November
Light rain. High 57°, low 44°.
0
San Dimas, Wednesday, 18 November
Overcast. High 60°, low 44°.
0.67San Dimas, Thursday, 19 November
Rain. High 62°, low 51°.
0.18San Dimas, Friday, 20 November
Rain. High 68°, low 57°.
0
San Dimas, Saturday, 21 November
Mostly clear. High 72°, low 56°.
0
San Dimas, Sunday, 22 November
Partly cloudy. High 75°, low 60°.
0San Dimas, Monday, 23 November
Overcast. High 71°, low 61°.
0San Dimas, Tuesday, 24 November
Clear. High 69°, low 58°.
0San Dimas, Wednesday, 25 November
Overcast. High 67°, low 58°.
0.57San Dimas, Thursday, 26 November
Rain. High 64°, low 56°.
0San Dimas, Friday, 27 November
Clear. High 70°, low 56°.
0San Dimas, Saturday, 28 November
Partly cloudy. High 65°, low 58°.
0.11San Dimas, Sunday, 29 November
Climate normal for this date — 60-year average.
0.05San Dimas, Monday, 30 November
Climate normal for this date — 60-year average.
0.02San Dimas, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.03San Dimas, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.08San Dimas, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09San Dimas, Friday, 4 December
Climate normal for this date — 60-year average.
0.07San Dimas, Saturday, 5 December
Climate normal for this date — 60-year average.
0.12San Dimas, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11San Dimas, Monday, 7 December
Climate normal for this date — 60-year average.
0.02San Dimas, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.03San Dimas, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.03San Dimas, Thursday, 10 December
Climate normal for this date — 60-year average.
0.07San Dimas, Friday, 11 December
Climate normal for this date — 60-year average.
0.06San Dimas, Saturday, 12 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 San Dimas, 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 Dimas, 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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