Weather in Alta Mesa, CA
Alta Mesa, Saturday, 8 August, 18:11
Clear. Feels like 76°. High 83°, low 60°.
Monthly outlook for Alta Mesa, CA: average high 83.9°, average low 59.5°. That is 2.6° 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 11 August (90.4°), the coolest 20 August (56.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 85.4° | 79.9° | +3° |
| 18 August – 27 August | 81.5° | 78.9° | +1.5° |
| 28 August – 6 September | at normal | 80.5° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Mountain View (3 mi).
0Alta Mesa, Sunday, 9 August
Clear. High 90°, low 65°.
0
Alta Mesa, Monday, 10 August
Partly cloudy. High 90°, low 62°.
0Alta Mesa, Tuesday, 11 August
Clear. High 90°, low 60°.
0Alta Mesa, Wednesday, 12 August
Partly cloudy. High 86°, low 61°.
0
Alta Mesa, Thursday, 13 August
Overcast. High 81°, low 60°.
0Alta Mesa, Friday, 14 August
Clear. High 83°, low 58°.
0Alta Mesa, Saturday, 15 August
Clear. High 84°, low 59°.
0Alta Mesa, Sunday, 16 August
Overcast. High 84°, low 59°.
0Alta Mesa, Monday, 17 August
Overcast. High 81°, low 61°.
0Alta Mesa, Tuesday, 18 August
Overcast. High 82°, low 60°.
0Alta Mesa, Wednesday, 19 August
Clear. High 83°, low 57°.
0Alta Mesa, Thursday, 20 August
Overcast. High 76°, low 57°.
0Alta Mesa, Friday, 21 August
Clear. High 84°, low 57°.
0Alta Mesa, Saturday, 22 August
Overcast. High 81°, low 59°.
0
Alta Mesa, Sunday, 23 August
Mostly clear. High 83°, low 58°.
0Alta Mesa, Monday, 24 August
Climate normal for this date — 60-year average.
0Alta Mesa, Tuesday, 25 August
Climate normal for this date — 60-year average.
0Alta Mesa, Wednesday, 26 August
Climate normal for this date — 60-year average.
0Alta Mesa, Thursday, 27 August
Climate normal for this date — 60-year average.
0Alta Mesa, Friday, 28 August
Climate normal for this date — 60-year average.
0Alta Mesa, Saturday, 29 August
Climate normal for this date — 60-year average.
0Alta Mesa, Sunday, 30 August
Climate normal for this date — 60-year average.
0Alta Mesa, Monday, 31 August
Climate normal for this date — 60-year average.
0Alta Mesa, Tuesday, 1 September
Climate normal for this date — 60-year average.
0Alta Mesa, Wednesday, 2 September
Climate normal for this date — 60-year average.
0Alta Mesa, Thursday, 3 September
Climate normal for this date — 60-year average.
0Alta Mesa, Friday, 4 September
Climate normal for this date — 60-year average.
0Alta Mesa, Saturday, 5 September
Climate normal for this date — 60-year average.
0Alta Mesa, Sunday, 6 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 Alta Mesa, 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 Alta Mesa, 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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