Weather in Rosemont, CA
Rosemont, Friday, 16 October, 23:46
Clear. Feels like 61°. High 90°, low 53°.
Monthly outlook for Rosemont, CA: average high 74.6°, average low 53.3°. That is 0.6° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 2 days and 1.0 inches. The warmest day looks like 17 October (89.9°), the coolest 29 October (49.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 75.9° | 75.3° | +0.4° |
| 26 October – 4 November | 72.4° | 70.2° | +1.2° |
| 5 November – 14 November | at normal | 65.4° | — |
October records over 66 years
0
Rosemont, Saturday, 17 October
Clear. High 90°, low 52°.
0Rosemont, Sunday, 18 October
Clear. High 84°, low 50°.
0.05
Rosemont, Monday, 19 October
Light rain. High 71°, low 52°.
0
Rosemont, Tuesday, 20 October
Overcast. High 69°, low 52°.
0Rosemont, Wednesday, 21 October
Light rain. High 73°, low 56°.
0.18Rosemont, Thursday, 22 October
Rain. High 71°, low 56°.
0Rosemont, Friday, 23 October
Clear. High 71°, low 54°.
0Rosemont, Saturday, 24 October
Clear. High 73°, low 51°.
0Rosemont, Sunday, 25 October
Overcast. High 69°, low 51°.
0Rosemont, Monday, 26 October
Overcast. High 73°, low 55°.
0Rosemont, Tuesday, 27 October
Overcast. High 78°, low 59°.
0Rosemont, Wednesday, 28 October
Overcast. High 75°, low 54°.
0
Rosemont, Thursday, 29 October
Partly cloudy. High 67°, low 49°.
0Rosemont, Friday, 30 October
Overcast. High 69°, low 51°.
0Rosemont, Saturday, 31 October
Overcast. High 72°, low 57°.
0.04
Rosemont, Sunday, 1 November
Climate normal for this date — 60-year average.
0.08Rosemont, Monday, 2 November
Climate normal for this date — 60-year average.
0.07Rosemont, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.05Rosemont, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.08Rosemont, Thursday, 5 November
Climate normal for this date — 60-year average.
0.08Rosemont, Friday, 6 November
Climate normal for this date — 60-year average.
0.08Rosemont, Saturday, 7 November
Climate normal for this date — 60-year average.
0.1Rosemont, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Rosemont, Monday, 9 November
Climate normal for this date — 60-year average.
0.11
Rosemont, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.13Rosemont, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.1Rosemont, Thursday, 12 November
Climate normal for this date — 60-year average.
0.14Rosemont, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Rosemont, Saturday, 14 November
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 Rosemont, 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 Rosemont, 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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