Weather in Norco, CA
Norco, Thursday, 15 October, 22:18
Clear. Feels like 80°. High 88°, low 59°.
Monthly outlook for Norco, CA: average high 81.6°, average low 63.5°. That is 1.9° above the climate normal for October. Precipitation is expected on 2 days (about 0.9 inches), against a normal of 2 days and 0.5 inches. The warmest day looks like 16 October (93.3°), the coolest 21 October (53.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 82.3° | 79.3° | +1.6° |
| 25 October – 3 November | 80.6° | 76.3° | +2.4° |
| 4 November – 13 November | at normal | 73° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Corona (4 mi).
0
Norco, Friday, 16 October
Mostly clear. High 93°, low 69°.
0
Norco, Saturday, 17 October
Overcast. High 92°, low 70°.
0
Norco, Sunday, 18 October
Clear. High 90°, low 61°.
0Norco, Monday, 19 October
Clear. High 87°, low 63°.
0.41
Norco, Tuesday, 20 October
Rain. High 74°, low 57°.
0.46Norco, Wednesday, 21 October
Rain. High 68°, low 54°.
0.02Norco, Thursday, 22 October
Light rain. High 70°, low 60°.
0Norco, Friday, 23 October
Clear. High 76°, low 61°.
0Norco, Saturday, 24 October
Clear. High 85°, low 66°.
0Norco, Sunday, 25 October
Clear. High 82°, low 67°.
0Norco, Monday, 26 October
Clear. High 83°, low 65°.
0Norco, Tuesday, 27 October
Clear. High 83°, low 66°.
0
Norco, Wednesday, 28 October
Partly cloudy. High 81°, low 68°.
0Norco, Thursday, 29 October
Overcast. High 78°, low 67°.
0Norco, Friday, 30 October
Clear. High 76°, low 64°.
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.
0.09Norco, Sunday, 8 November
Climate normal for this date — 60-year average.
0.05Norco, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Norco, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Norco, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Norco, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Norco, Friday, 13 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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