Weather in San Tomas, CA
San Tomas, Wednesday, 11 November, 03:03
Clear. Feels like 54°. High 73°, low 50°.
Monthly outlook for San Tomas, CA: average high 65.1°, average low 50.8°. That is 1.4° above the climate normal for November. Precipitation is expected on 5 days (about 2.4 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 12 November (77.1°), the coolest 15 November (44.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 64.2° | 63.6° | +0.3° |
| 21 November – 30 November | 66.8° | 60.6° | +3.4° |
| 1 December – 10 December | at normal | 59.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Campbell (1 mi).
0
San Tomas, Thursday, 12 November
Clear. High 77°, low 47°.
0.62
San Tomas, Friday, 13 November
Rain. High 65°, low 52°.
0.01San Tomas, Saturday, 14 November
Light rain. High 61°, low 48°.
0.16San Tomas, Sunday, 15 November
Rain. High 65°, low 44°.
1.18San Tomas, Monday, 16 November
Heavy rain. High 60°, low 50°.
0San Tomas, Tuesday, 17 November
Clear. High 61°, low 48°.
0.32San Tomas, Wednesday, 18 November
Rain. High 60°, low 49°.
0.07San Tomas, Thursday, 19 November
Light rain. High 55°, low 48°.
0
San Tomas, Friday, 20 November
Overcast. High 63°, low 54°.
0
San Tomas, Saturday, 21 November
Mostly clear. High 66°, low 51°.
0
San Tomas, Sunday, 22 November
Partly cloudy. High 68°, low 52°.
0San Tomas, Monday, 23 November
Overcast. High 72°, low 53°.
0San Tomas, Tuesday, 24 November
Overcast. High 68°, low 57°.
0San Tomas, Wednesday, 25 November
Overcast. High 67°, low 55°.
0San Tomas, Thursday, 26 November
Overcast. High 61°, low 54°.
0.08San Tomas, Friday, 27 November
Climate normal for this date — 60-year average.
0.12San Tomas, Saturday, 28 November
Climate normal for this date — 60-year average.
0.15San Tomas, Sunday, 29 November
Climate normal for this date — 60-year average.
0.19San Tomas, Monday, 30 November
Climate normal for this date — 60-year average.
0.14San Tomas, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.22San Tomas, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.17San Tomas, Thursday, 3 December
Climate normal for this date — 60-year average.
0.09San Tomas, Friday, 4 December
Climate normal for this date — 60-year average.
0.11San Tomas, Saturday, 5 December
Climate normal for this date — 60-year average.
0.1San Tomas, Sunday, 6 December
Climate normal for this date — 60-year average.
0.11San Tomas, Monday, 7 December
Climate normal for this date — 60-year average.
0.07San Tomas, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.09San Tomas, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.14San Tomas, Thursday, 10 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 Tomas, 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 Tomas, 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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