Weather in Irvine, CA
Irvine, Tuesday, 20 October, 05:16
Overcast. Feels like 66°. High 83°, low 63°.
Monthly outlook for Irvine, CA: average high 74.5°, average low 62.9°. That is 0° below the climate normal for October. Precipitation is expected on 4 days (about 2.2 inches), against a normal of 1 days and 0.4 inches. The warmest day looks like 20 October (82.8°), the coolest 24 October (56.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 75.9° | 75° | +0.5° |
| 30 October – 8 November | 72° | 72.8° | -0.4° |
| 9 November – 18 November | at normal | 70.4° | — |
October records over 66 years
0.02
Irvine, Wednesday, 21 October
Light rain. High 79°, low 58°.
1.01Irvine, Thursday, 22 October
Rain. High 69°, low 59°.
0
Irvine, Friday, 23 October
Partly cloudy. High 69°, low 57°.
0
Irvine, Saturday, 24 October
Clear. High 79°, low 56°.
0Irvine, Sunday, 25 October
Clear. High 80°, low 58°.
0Irvine, Monday, 26 October
Overcast. High 81°, low 70°.
0Irvine, Tuesday, 27 October
Clear. High 75°, low 67°.
0Irvine, Wednesday, 28 October
Overcast. High 74°, low 68°.
0Irvine, Thursday, 29 October
Overcast. High 71°, low 65°.
0.09Irvine, Friday, 30 October
Light rain. High 69°, low 63°.
0.1Irvine, Saturday, 31 October
Light rain. High 68°, low 62°.
0Irvine, Sunday, 1 November
Clear. High 75°, low 62°.
0Irvine, Monday, 2 November
Partly cloudy. High 79°, low 67°.
0Irvine, Tuesday, 3 November
Light rain. High 72°, low 67°.
1.02Irvine, Wednesday, 4 November
Rain. High 69°, low 64°.
0.02
Irvine, Thursday, 5 November
Climate normal for this date — 60-year average.
0.01Irvine, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Irvine, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Irvine, Sunday, 8 November
Climate normal for this date — 60-year average.
0.05Irvine, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Irvine, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Irvine, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.04Irvine, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Irvine, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Irvine, Saturday, 14 November
Climate normal for this date — 60-year average.
0.05Irvine, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Irvine, Monday, 16 November
Climate normal for this date — 60-year average.
0.03Irvine, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.05Irvine, Wednesday, 18 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 Irvine, 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 Irvine, 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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