Weather in Santiago, WA
Santiago, Friday, 23 October, 00:04
Clear. Feels like 43°. High 58°, low 38°.
Monthly outlook for Santiago, WA: average high 53.6°, average low 44.7°. That is 0.6° above the climate normal for October. Precipitation is expected on 4 days (about 1.3 inches), against a normal of 10 days and 7.4 inches. The warmest day looks like 4 November (58°), the coolest 23 October (37.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 52° | 53.2° | -0.6° |
| 2 November – 11 November | 56.2° | 51.2° | +2.7° |
| 12 November – 21 November | at normal | 49.1° | — |
October records over 66 years
0.52
Santiago, Saturday, 24 October
Rain. High 51°, low 39°.
0.57Santiago, Sunday, 25 October
Rain. High 51°, low 46°.
0.1Santiago, Monday, 26 October
Light rain. High 55°, low 47°.
0
Santiago, Tuesday, 27 October
Overcast. High 51°, low 38°.
0.08Santiago, Wednesday, 28 October
Light rain. High 48°, low 44°.
0
Santiago, Thursday, 29 October
Clear. High 48°, low 42°.
0.01Santiago, Friday, 30 October
Light rain. High 53°, low 41°.
0.01Santiago, Saturday, 31 October
Light rain. High 52°, low 45°.
0
Santiago, Sunday, 1 November
Mostly clear. High 53°, low 44°.
0Santiago, Monday, 2 November
Overcast. High 53°, low 44°.
0Santiago, Tuesday, 3 November
Overcast. High 57°, low 47°.
0Santiago, Wednesday, 4 November
Overcast. High 58°, low 49°.
0Santiago, Thursday, 5 November
Clear. High 58°, low 48°.
0Santiago, Friday, 6 November
Overcast. High 57°, low 52°.
0Santiago, Saturday, 7 November
Overcast. High 55°, low 50°.
0.45Santiago, Sunday, 8 November
Climate normal for this date — 60-year average.
0.58Santiago, Monday, 9 November
Climate normal for this date — 60-year average.
0.44Santiago, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.58Santiago, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.61Santiago, Thursday, 12 November
Climate normal for this date — 60-year average.
0.6Santiago, Friday, 13 November
Climate normal for this date — 60-year average.
0.48Santiago, Saturday, 14 November
Climate normal for this date — 60-year average.
0.62Santiago, Sunday, 15 November
Climate normal for this date — 60-year average.
0.57Santiago, Monday, 16 November
Climate normal for this date — 60-year average.
0.47Santiago, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.44Santiago, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.62Santiago, Thursday, 19 November
Climate normal for this date — 60-year average.
0.56Santiago, Friday, 20 November
Climate normal for this date — 60-year average.
0.52Santiago, Saturday, 21 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 Santiago, WA 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 Santiago, WA 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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