Weather in Rosemead, CA
Rosemead, Monday, 19 October, 04:21
Clear. Feels like 68°. High 87°, low 67°.
Monthly outlook for Rosemead, CA: average high 77.4°, average low 64.5°. That is 0.8° below the climate normal for October. Precipitation is expected on 4 days (about 1.5 inches), against a normal of 1 days and 0.3 inches. The warmest day looks like 26 October (91.2°), the coolest 24 October (53.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 80° | 79.5° | +0.3° |
| 29 October – 7 November | 72.9° | 76.7° | -2.1° |
| 8 November – 17 November | at normal | 73.2° | — |
October records over 66 years
0
Rosemead, Tuesday, 20 October
Clear. High 85°, low 65°.
0.32
Rosemead, Wednesday, 21 October
Rain. High 74°, low 62°.
1.04Rosemead, Thursday, 22 October
Heavy rain. High 64°, low 56°.
0.04Rosemead, Friday, 23 October
Light rain. High 69°, low 54°.
0Rosemead, Saturday, 24 October
Clear. High 75°, low 53°.
0Rosemead, Sunday, 25 October
Clear. High 90°, low 72°.
0
Rosemead, Monday, 26 October
Overcast. High 91°, low 76°.
0Rosemead, Tuesday, 27 October
Clear. High 85°, low 72°.
0Rosemead, Wednesday, 28 October
Clear. High 82°, low 68°.
0Rosemead, Thursday, 29 October
Overcast. High 76°, low 68°.
0Rosemead, Friday, 30 October
Overcast. High 74°, low 65°.
0Rosemead, Saturday, 31 October
Overcast. High 72°, low 65°.
0.08Rosemead, Sunday, 1 November
Light rain. High 72°, low 63°.
0Rosemead, Monday, 2 November
Clear. High 73°, low 63°.
0Rosemead, Tuesday, 3 November
Overcast. High 71°, low 63°.
0.02
Rosemead, 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.
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.
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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