Weather in Rosemead, CA
Rosemead, Saturday, 17 October, 20:03
Partly cloudy. Feels like 80°. High 88°, low 76°.
Monthly outlook for Rosemead, CA: average high 78.1°, average low 65.2°. That is 0.6° below the climate normal for October. Precipitation is expected on 3 days (about 1.9 inches), against a normal of 1 days and 0.4 inches. The warmest day looks like 18 October (90.1°), the coolest 23 October (51.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 80.6° | 80.2° | +0.2° |
| 27 October – 5 November | 73.9° | 77.4° | -1.9° |
| 6 November – 15 November | at normal | 73.7° | — |
October records over 66 years
0
Rosemead, Sunday, 18 October
Clear. High 90°, low 69°.
0Rosemead, Monday, 19 October
Clear. High 86°, low 69°.
0Rosemead, Tuesday, 20 October
Clear. High 80°, low 64°.
0.72
Rosemead, Wednesday, 21 October
Rain. High 68°, low 60°.
0.48Rosemead, Thursday, 22 October
Rain. High 65°, low 55°.
0Rosemead, Friday, 23 October
Clear. High 73°, low 51°.
0Rosemead, Saturday, 24 October
Clear. High 83°, low 67°.
0Rosemead, Sunday, 25 October
Clear. High 86°, low 71°.
0
Rosemead, Monday, 26 October
Overcast. High 86°, low 73°.
0.7Rosemead, Tuesday, 27 October
Rain. High 70°, low 65°.
0
Rosemead, Wednesday, 28 October
Mostly clear. High 72°, low 63°.
0Rosemead, Thursday, 29 October
Overcast. High 74°, low 66°.
0Rosemead, Friday, 30 October
Clear. High 73°, low 64°.
0
Rosemead, Saturday, 31 October
Partly cloudy. High 76°, low 65°.
0Rosemead, Sunday, 1 November
Overcast. High 78°, low 67°.
0.01Rosemead, Monday, 2 November
Climate normal for this date — 60-year average.
0Rosemead, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Rosemead, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.01Rosemead, Thursday, 5 November
Climate normal for this date — 60-year average.
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.
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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