Weather in Rochester, CA
Rochester, Wednesday, 11 November, 15:02
Clear. Feels like 82°. High 84°, low 56°.
Monthly outlook for Rochester, CA: average high 66.7°, average low 54.3°. That is 0.8° below the climate normal for November. Precipitation is expected on 4 days (about 1.6 inches), against a normal of 2 days and 1.0 inches. The warmest day looks like 11 November (84.1°), the coolest 15 November (47.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 November – 20 November | 65° | 69° | -2.3° |
| 21 November – 30 November | 69.5° | 65.6° | +2.2° |
| 1 December – 10 December | at normal | 64.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Rancho Cucamonga (3 mi).
0Rochester, Thursday, 12 November
Clear. High 80°, low 57°.
0.15
Rochester, Friday, 13 November
Rain. High 59°, low 52°.
0.38Rochester, Saturday, 14 November
Heavy rain. High 59°, low 50°.
0
Rochester, Sunday, 15 November
Overcast. High 63°, low 47°.
0.66Rochester, Monday, 16 November
Rain. High 54°, low 47°.
0.37Rochester, Tuesday, 17 November
Light rain. High 62°, low 48°.
0Rochester, Wednesday, 18 November
Overcast. High 64°, low 58°.
0.03Rochester, Thursday, 19 November
Light rain. High 62°, low 58°.
0.03Rochester, Friday, 20 November
Light rain. High 62°, low 54°.
0Rochester, Saturday, 21 November
Clear. High 63°, low 53°.
0Rochester, Sunday, 22 November
Clear. High 67°, low 54°.
0Rochester, Monday, 23 November
Clear. High 70°, low 57°.
0Rochester, Tuesday, 24 November
Clear. High 73°, low 59°.
0Rochester, Wednesday, 25 November
Overcast. High 71°, low 61°.
0Rochester, Thursday, 26 November
Clear. High 74°, low 59°.
0.05
Rochester, Friday, 27 November
Climate normal for this date — 60-year average.
0.11Rochester, Saturday, 28 November
Climate normal for this date — 60-year average.
0.15Rochester, Sunday, 29 November
Climate normal for this date — 60-year average.
0.09
Rochester, Monday, 30 November
Climate normal for this date — 60-year average.
0.03Rochester, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.03Rochester, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Rochester, Thursday, 3 December
Climate normal for this date — 60-year average.
0.11Rochester, Friday, 4 December
Climate normal for this date — 60-year average.
0.08Rochester, Saturday, 5 December
Climate normal for this date — 60-year average.
0.11Rochester, Sunday, 6 December
Climate normal for this date — 60-year average.
0.13Rochester, Monday, 7 December
Climate normal for this date — 60-year average.
0.05Rochester, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.04Rochester, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.04Rochester, 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 Rochester, 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 Rochester, 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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