Weather in Irvine, CA
Irvine, Saturday, 17 October, 07:55
Overcast. Feels like 80°. High 88°, low 79°.
Monthly outlook for Irvine, CA: average high 76.3°, average low 65.8°. That is 0.7° above the climate normal for October. Precipitation is expected on 3 days (about 1.3 inches), against a normal of 1 days and 0.4 inches. The warmest day looks like 18 October (88.7°), the coolest 22 October (60.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 79.2° | 75.7° | +1.9° |
| 27 October – 5 November | 71.4° | 73.6° | -1.2° |
| 6 November – 15 November | at normal | 71° | — |
October records over 66 years
0
Irvine, Sunday, 18 October
Clear. High 89°, low 75°.
0Irvine, Monday, 19 October
Clear. High 84°, low 65°.
0Irvine, Tuesday, 20 October
Clear. High 82°, low 60°.
0.26
Irvine, Wednesday, 21 October
Light rain. High 73°, low 64°.
0.4Irvine, Thursday, 22 October
Rain. High 72°, low 60°.
0.01Irvine, Friday, 23 October
Light rain. High 71°, low 63°.
0Irvine, Saturday, 24 October
Clear. High 79°, low 65°.
0Irvine, Sunday, 25 October
Overcast. High 75°, low 67°.
0Irvine, Monday, 26 October
Clear. High 79°, low 66°.
0Irvine, Tuesday, 27 October
Clear. High 78°, low 70°.
0Irvine, Wednesday, 28 October
Overcast. High 73°, low 67°.
0.03Irvine, Thursday, 29 October
Light rain. High 71°, low 65°.
0
Irvine, Friday, 30 October
Partly cloudy. High 71°, low 62°.
0Irvine, Saturday, 31 October
Overcast. High 70°, low 64°.
0.61Irvine, Sunday, 1 November
Rain. High 65°, low 62°.
0.01
Irvine, Monday, 2 November
Climate normal for this date — 60-year average.
0Irvine, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03Irvine, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.02Irvine, 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.
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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