Weather in Diablo Grande, CA
Diablo Grande, Sunday, 9 August, 08:35
Partly cloudy. Feels like 64°. High 89°, low 58°.
Monthly outlook for Diablo Grande, CA: average high 98.6°, average low 68°. That is 3.4° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 0 days and 0.1 inches. The warmest day looks like 24 August (113.1°), the coolest 14 August (53.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 92.5° | 93.6° | -0.6° |
| 19 August – 28 August | 108.9° | 91.3° | +9.7° |
| 29 August – 7 September | at normal | 91.9° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Grayson (12 mi).
0
Diablo Grande, Monday, 10 August
Overcast. High 87°, low 61°.
0
Diablo Grande, Tuesday, 11 August
Clear. High 102°, low 69°.
0Diablo Grande, Wednesday, 12 August
Clear. High 98°, low 64°.
0Diablo Grande, Thursday, 13 August
Clear. High 89°, low 58°.
0Diablo Grande, Friday, 14 August
Clear. High 89°, low 54°.
0Diablo Grande, Saturday, 15 August
Clear. High 91°, low 57°.
0Diablo Grande, Sunday, 16 August
Overcast. High 84°, low 62°.
0Diablo Grande, Monday, 17 August
Partly cloudy. High 96°, low 66°.
0Diablo Grande, Tuesday, 18 August
Clear. High 100°, low 69°.
0Diablo Grande, Wednesday, 19 August
Partly cloudy. High 103°, low 71°.
0Diablo Grande, Thursday, 20 August
Overcast. High 106°, low 76°.
0Diablo Grande, Friday, 21 August
Clear. High 109°, low 78°.
0
Diablo Grande, Saturday, 22 August
Mostly clear. High 110°, low 81°.
0Diablo Grande, Sunday, 23 August
Partly cloudy. High 112°, low 83°.
0Diablo Grande, Monday, 24 August
Clear. High 113°, low 82°.
0Diablo Grande, Tuesday, 25 August
Climate normal for this date — 60-year average.
0Diablo Grande, Wednesday, 26 August
Climate normal for this date — 60-year average.
0Diablo Grande, Thursday, 27 August
Climate normal for this date — 60-year average.
0Diablo Grande, Friday, 28 August
Climate normal for this date — 60-year average.
0Diablo Grande, Saturday, 29 August
Climate normal for this date — 60-year average.
0Diablo Grande, Sunday, 30 August
Climate normal for this date — 60-year average.
0Diablo Grande, Monday, 31 August
Climate normal for this date — 60-year average.
0Diablo Grande, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.01Diablo Grande, Wednesday, 2 September
Climate normal for this date — 60-year average.
0Diablo Grande, Thursday, 3 September
Climate normal for this date — 60-year average.
0Diablo Grande, Friday, 4 September
Climate normal for this date — 60-year average.
0.01Diablo Grande, Saturday, 5 September
Climate normal for this date — 60-year average.
0Diablo Grande, Sunday, 6 September
Climate normal for this date — 60-year average.
0Diablo Grande, 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 Diablo Grande, 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 Diablo Grande, 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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