Weather in Rosemead, CA
Rosemead, Wednesday, 21 October, 08:11
Mostly clear. Feels like 66°. High 74°, low 63°.
Monthly outlook for Rosemead, CA: average high 76.5°, average low 63.6°. That is 1° below the climate normal for October. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 27 October (85.8°), the coolest 23 October (51.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 75.8° | 78.7° | -1.6° |
| 31 October – 9 November | 77.7° | 76.1° | +0.9° |
| 10 November – 19 November | at normal | 72.8° | — |
October records over 66 years
0.38
Rosemead, Thursday, 22 October
Rain. High 68°, low 57°.
0
Rosemead, Friday, 23 October
Overcast. High 68°, low 51°.
0
Rosemead, Saturday, 24 October
Clear. High 72°, low 53°.
0Rosemead, Sunday, 25 October
Clear. High 76°, low 57°.
0
Rosemead, Monday, 26 October
Partly cloudy. High 79°, low 60°.
0Rosemead, Tuesday, 27 October
Overcast. High 86°, low 68°.
0Rosemead, Wednesday, 28 October
Partly cloudy. High 82°, low 71°.
0Rosemead, Thursday, 29 October
Overcast. High 78°, low 69°.
0Rosemead, Friday, 30 October
Clear. High 76°, low 66°.
0Rosemead, Saturday, 31 October
Partly cloudy. High 75°, low 65°.
0Rosemead, Sunday, 1 November
Overcast. High 78°, low 64°.
0Rosemead, Monday, 2 November
Overcast. High 79°, low 70°.
0Rosemead, Tuesday, 3 November
Overcast. High 78°, low 68°.
0Rosemead, Wednesday, 4 November
Clear. High 80°, low 67°.
0Rosemead, Thursday, 5 November
Mostly clear. High 76°, low 67°.
0.02Rosemead, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Rosemead, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Rosemead, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Rosemead, Monday, 9 November
Climate normal for this date — 60-year average.
0.03Rosemead, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.05Rosemead, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Rosemead, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Rosemead, Friday, 13 November
Climate normal for this date — 60-year average.
0.05Rosemead, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Rosemead, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Rosemead, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Rosemead, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.05Rosemead, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.05Rosemead, Thursday, 19 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 Rosemead, 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 Rosemead, 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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