Weather in Irwin, CA
Irwin, Tuesday, 20 October, 14:50
Overcast. Feels like 67°. High 69°, low 52°.
Monthly outlook for Irwin, CA: average high 75.9°, average low 54.3°. That is 1.5° above the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 2 days and 0.6 inches. The warmest day looks like 28 October (84°), the coolest 24 October (47.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 76° | 74.6° | +0.8° |
| 30 October – 8 November | 75.6° | 69.9° | +3.1° |
| 9 November – 18 November | at normal | 65.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Turlock (8 mi).
0.09
Irwin, Wednesday, 21 October
Rain. High 71°, low 56°.
0.28Irwin, Thursday, 22 October
Rain. High 72°, low 54°.
0
Irwin, Friday, 23 October
Mostly clear. High 71°, low 53°.
0
Irwin, Saturday, 24 October
Clear. High 71°, low 48°.
0
Irwin, Sunday, 25 October
Partly cloudy. High 77°, low 48°.
0Irwin, Monday, 26 October
Mostly clear. High 82°, low 55°.
0Irwin, Tuesday, 27 October
Overcast. High 81°, low 58°.
0Irwin, Wednesday, 28 October
Overcast. High 84°, low 59°.
0Irwin, Thursday, 29 October
Overcast. High 81°, low 59°.
0Irwin, Friday, 30 October
Overcast. High 77°, low 56°.
0Irwin, Saturday, 31 October
Clear. High 73°, low 52°.
0Irwin, Sunday, 1 November
Clear. High 76°, low 52°.
0Irwin, Monday, 2 November
Clear. High 81°, low 55°.
0Irwin, Tuesday, 3 November
Overcast. High 80°, low 56°.
0.01Irwin, Wednesday, 4 November
Light rain. High 66°, low 57°.
0.04Irwin, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Irwin, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Irwin, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Irwin, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Irwin, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Irwin, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08Irwin, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Irwin, Thursday, 12 November
Climate normal for this date — 60-year average.
0.12Irwin, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Irwin, Saturday, 14 November
Climate normal for this date — 60-year average.
0.04Irwin, Sunday, 15 November
Climate normal for this date — 60-year average.
0.08Irwin, Monday, 16 November
Climate normal for this date — 60-year average.
0.11Irwin, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.05Irwin, 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 Irwin, 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 Irwin, 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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