Weather in Tacna, AZ
Tacna, Monday, 19 October, 06:42
Clear. Feels like 64°. High 90°, low 65°.
Monthly outlook for Tacna, AZ: average high 86.2°, average low 68.9°. That is 0.6° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 0 days and 0.1 inches. The warmest day looks like 20 October (92.1°), the coolest 23 October (60.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 88.7° | 86.7° | +1.1° |
| 29 October – 7 November | 82.1° | 82.3° | -0.1° |
| 8 November – 17 November | at normal | 78.1° | — |
October records over 66 years
0
Tacna, Tuesday, 20 October
Mostly clear. High 92°, low 69°.
0
Tacna, Wednesday, 21 October
Overcast. High 92°, low 74°.
0Tacna, Thursday, 22 October
Clear. High 87°, low 67°.
0Tacna, Friday, 23 October
Clear. High 83°, low 60°.
0Tacna, Saturday, 24 October
Clear. High 84°, low 66°.
0Tacna, Sunday, 25 October
Clear. High 88°, low 68°.
0Tacna, Monday, 26 October
Overcast. High 89°, low 72°.
0Tacna, Tuesday, 27 October
Clear. High 91°, low 71°.
0Tacna, Wednesday, 28 October
Mostly clear. High 91°, low 75°.
0Tacna, Thursday, 29 October
Overcast. High 87°, low 74°.
0Tacna, Friday, 30 October
Overcast. High 85°, low 69°.
0Tacna, Saturday, 31 October
Overcast. High 82°, low 71°.
0.09
Tacna, Sunday, 1 November
Light rain. High 75°, low 67°.
0Tacna, Monday, 2 November
Overcast. High 81°, low 66°.
0Tacna, Tuesday, 3 November
Overcast. High 83°, low 67°.
0Tacna, Wednesday, 4 November
Climate normal for this date — 60-year average.
0Tacna, Thursday, 5 November
Climate normal for this date — 60-year average.
0.01Tacna, Friday, 6 November
Climate normal for this date — 60-year average.
0.01Tacna, Saturday, 7 November
Climate normal for this date — 60-year average.
0.01Tacna, Sunday, 8 November
Climate normal for this date — 60-year average.
0Tacna, Monday, 9 November
Climate normal for this date — 60-year average.
0Tacna, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.01Tacna, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.02Tacna, Thursday, 12 November
Climate normal for this date — 60-year average.
0.01Tacna, Friday, 13 November
Climate normal for this date — 60-year average.
0Tacna, Saturday, 14 November
Climate normal for this date — 60-year average.
0.01Tacna, Sunday, 15 November
Climate normal for this date — 60-year average.
0.01Tacna, Monday, 16 November
Climate normal for this date — 60-year average.
0Tacna, Tuesday, 17 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 Tacna, AZ 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 Tacna, AZ 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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