Weather in Alta Mesa, CA
Alta Mesa, Tuesday, 20 October, 10:24
Partly cloudy. Feels like 60°. High 67°, low 52°.
Monthly outlook for Alta Mesa, CA: average high 72.2°, average low 56.8°. That is 1.6° above the climate normal for October. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 2 days and 0.7 inches. The warmest day looks like 28 October (81.7°), the coolest 20 October (51.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 73.5° | 69.9° | +2° |
| 30 October – 8 November | 70° | 67.2° | +1.5° |
| 9 November – 18 November | at normal | 63.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Stanford (3 mi).
0.06
Alta Mesa, Wednesday, 21 October
Light rain. High 68°, low 55°.
0.01Alta Mesa, Thursday, 22 October
Light rain. High 69°, low 54°.
0
Alta Mesa, Friday, 23 October
Clear. High 71°, low 53°.
0
Alta Mesa, Saturday, 24 October
Mostly clear. High 70°, low 53°.
0Alta Mesa, Sunday, 25 October
Clear. High 74°, low 56°.
0Alta Mesa, Monday, 26 October
Clear. High 79°, low 59°.
0
Alta Mesa, Tuesday, 27 October
Overcast. High 80°, low 62°.
0Alta Mesa, Wednesday, 28 October
Overcast. High 82°, low 64°.
0Alta Mesa, Thursday, 29 October
Overcast. High 75°, low 58°.
0Alta Mesa, Friday, 30 October
Overcast. High 71°, low 56°.
0.32Alta Mesa, Saturday, 31 October
Rain. High 73°, low 60°.
0.06Alta Mesa, Sunday, 1 November
Light rain. High 69°, low 59°.
0Alta Mesa, Monday, 2 November
Overcast. High 69°, low 58°.
0Alta Mesa, Tuesday, 3 November
Overcast. High 68°, low 57°.
0Alta Mesa, Wednesday, 4 November
Clear. High 69°, low 54°.
0.05Alta Mesa, Thursday, 5 November
Climate normal for this date — 60-year average.
0.05Alta Mesa, Friday, 6 November
Climate normal for this date — 60-year average.
0.07Alta Mesa, Saturday, 7 November
Climate normal for this date — 60-year average.
0.08Alta Mesa, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Alta Mesa, Monday, 9 November
Climate normal for this date — 60-year average.
0.11Alta Mesa, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.09Alta Mesa, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Alta Mesa, Thursday, 12 November
Climate normal for this date — 60-year average.
0.13Alta Mesa, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Alta Mesa, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Alta Mesa, Sunday, 15 November
Climate normal for this date — 60-year average.
0.11Alta Mesa, Monday, 16 November
Climate normal for this date — 60-year average.
0.12Alta Mesa, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Alta Mesa, Wednesday, 18 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 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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