Weather in Diamond Valley, AZ
Diamond Valley, Sunday, 9 August, 01:58
Overcast. Feels like 74°. High 106°, low 71°.
Monthly outlook for Diamond Valley, AZ: average high 85.8°, average low 66.9°. That is 0.1° above the climate normal for August. Precipitation is expected on 5 days (about 2.5 inches), against a normal of 8 days and 1.9 inches. The warmest day looks like 9 August (105.5°), the coolest 10 August (61.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 86° | 86° | +0° |
| 19 August – 28 August | 85.5° | 84.9° | +0.3° |
| 29 August – 7 September | at normal | 84.4° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Prescott Valley (4 mi).
1.05
Diamond Valley, Monday, 10 August
Heavy rain. High 96°, low 62°.
0.03Diamond Valley, Tuesday, 11 August
Light rain. High 86°, low 66°.
0.19Diamond Valley, Wednesday, 12 August
Light rain. High 81°, low 68°.
1.05Diamond Valley, Thursday, 13 August
Rain. High 74°, low 65°.
0Diamond Valley, Friday, 14 August
Overcast. High 79°, low 65°.
0Diamond Valley, Saturday, 15 August
Overcast. High 84°, low 68°.
0
Diamond Valley, Sunday, 16 August
Clear. High 83°, low 68°.
0
Diamond Valley, Monday, 17 August
Partly cloudy. High 86°, low 68°.
0.03Diamond Valley, Tuesday, 18 August
Light rain. High 85°, low 69°.
0.06Diamond Valley, Wednesday, 19 August
Light rain. High 85°, low 66°.
0.04Diamond Valley, Thursday, 20 August
Light rain. High 84°, low 65°.
0Diamond Valley, Friday, 21 August
Overcast. High 85°, low 64°.
0Diamond Valley, Saturday, 22 August
Clear. High 86°, low 67°.
0Diamond Valley, Sunday, 23 August
Clear. High 88°, low 69°.
0.02Diamond Valley, Monday, 24 August
Light rain. High 85°, low 70°.
0.15Diamond Valley, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.13
Diamond Valley, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.12Diamond Valley, Thursday, 27 August
Climate normal for this date — 60-year average.
0.09Diamond Valley, Friday, 28 August
Climate normal for this date — 60-year average.
0.09Diamond Valley, Saturday, 29 August
Climate normal for this date — 60-year average.
0.11Diamond Valley, Sunday, 30 August
Climate normal for this date — 60-year average.
0.1Diamond Valley, Monday, 31 August
Climate normal for this date — 60-year average.
0.09Diamond Valley, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.1Diamond Valley, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.06Diamond Valley, Thursday, 3 September
Climate normal for this date — 60-year average.
0.09Diamond Valley, Friday, 4 September
Climate normal for this date — 60-year average.
0.14Diamond Valley, Saturday, 5 September
Climate normal for this date — 60-year average.
0.11Diamond Valley, Sunday, 6 September
Climate normal for this date — 60-year average.
0.1Diamond Valley, Monday, 7 September
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 Diamond Valley, 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 Diamond Valley, 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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