Weather in Norco, CA
Norco, Friday, 9 October, 16:45
Clear. Feels like 90°. High 91°, low 67°.
Monthly outlook for Norco, CA: average high 83.3°, average low 66.6°. That is 1.9° above the climate normal for October. Precipitation is expected on 3 days (about 0.8 inches), against a normal of 1 days and 0.4 inches. The warmest day looks like 17 October (95.8°), the coolest 14 October (50.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 82.7° | 80.5° | +1.2° |
| 19 October – 28 October | 84.4° | 78.2° | +3.4° |
| 29 October – 7 November | at normal | 75.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Corona (4 mi).
0.06
Norco, Saturday, 10 October
Rain. High 87°, low 67°.
0.66Norco, Sunday, 11 October
Heavy rain. High 70°, low 61°.
0.1Norco, Monday, 12 October
Light rain. High 65°, low 54°.
0.02Norco, Tuesday, 13 October
Light rain. High 67°, low 51°.
0Norco, Wednesday, 14 October
Clear. High 74°, low 50°.
0Norco, Thursday, 15 October
Clear. High 88°, low 56°.
0Norco, Friday, 16 October
Clear. High 94°, low 73°.
0Norco, Saturday, 17 October
Clear. High 96°, low 76°.
0Norco, Sunday, 18 October
Clear. High 95°, low 79°.
0Norco, Monday, 19 October
Clear. High 94°, low 79°.
0Norco, Tuesday, 20 October
Clear. High 91°, low 77°.
0
Norco, Wednesday, 21 October
Mostly clear. High 87°, low 74°.
0Norco, Thursday, 22 October
Clear. High 86°, low 72°.
0Norco, Friday, 23 October
Clear. High 80°, low 65°.
0.02Norco, Saturday, 24 October
Light rain. High 68°, low 64°.
0.01Norco, Sunday, 25 October
Climate normal for this date — 60-year average.
0.01Norco, Monday, 26 October
Climate normal for this date — 60-year average.
0.06Norco, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.04Norco, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.02Norco, Thursday, 29 October
Climate normal for this date — 60-year average.
0.05
Norco, Friday, 30 October
Climate normal for this date — 60-year average.
0.02Norco, Saturday, 31 October
Climate normal for this date — 60-year average.
0.05Norco, Sunday, 1 November
Climate normal for this date — 60-year average.
0.02Norco, Monday, 2 November
Climate normal for this date — 60-year average.
0Norco, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03Norco, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.01Norco, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Norco, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Norco, Saturday, 7 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 Norco, 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 Norco, 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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