Weather in Rochester, CA
Rochester, Friday, 13 November, 08:14
Overcast. Feels like 59°. High 66°, low 56°.
Monthly outlook for Rochester, CA: average high 63.2°, average low 52.6°. That is 2.3° below the climate normal for November. Precipitation is expected on 5 days (about 1.8 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 24 November (69.4°), the coolest 17 November (43.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 13 November – 22 November | 60.5° | 68.3° | -4.3° |
| 23 November – 2 December | 67.8° | 65.3° | +1.4° |
| 3 December – 12 December | at normal | 63.5° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Rancho Cucamonga (3 mi).
0.24
Rochester, Saturday, 14 November
Rain. High 69°, low 52°.
0
Rochester, Sunday, 15 November
Mostly clear. High 62°, low 47°.
0.22Rochester, Monday, 16 November
Rain. High 60°, low 51°.
0.3Rochester, Tuesday, 17 November
Light rain. High 51°, low 44°.
0Rochester, Wednesday, 18 November
Overcast. High 54°, low 44°.
0.8Rochester, Thursday, 19 November
Heavy rain. High 57°, low 51°.
0.01Rochester, Friday, 20 November
Light rain. High 59°, low 48°.
0Rochester, Saturday, 21 November
Overcast. High 61°, low 50°.
0Rochester, Sunday, 22 November
Mostly clear. High 67°, low 54°.
0Rochester, Monday, 23 November
Overcast. High 66°, low 57°.
0Rochester, Tuesday, 24 November
Overcast. High 69°, low 57°.
0.01Rochester, Wednesday, 25 November
Light rain. High 65°, low 58°.
0.03Rochester, Thursday, 26 November
Light rain. High 68°, low 56°.
0
Rochester, Friday, 27 November
Partly cloudy. High 69°, low 58°.
0Rochester, Saturday, 28 November
Overcast. High 68°, low 58°.
0.15Rochester, Sunday, 29 November
Climate normal for this date — 60-year average.
0.09Rochester, 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.
0.08Rochester, Friday, 11 December
Climate normal for this date — 60-year average.
0.06Rochester, 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 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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