Weather in American Canyon, CA
American Canyon, Sunday, 9 August, 09:41
Clear. Feels like 76°. High 91°, low 61°.
Monthly outlook for American Canyon, CA: average high 84.5°, average low 59.8°. That is 1.3° above the climate normal for August. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 0 days and 0.0 inches. The warmest day looks like 22 August (95.5°), the coolest 11 August (56.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 80.4° | 82.7° | -1.3° |
| 19 August – 28 August | 91.4° | 82° | +5.2° |
| 29 August – 7 September | at normal | 83.8° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Vallejo (5 mi).
0
American Canyon, Monday, 10 August
Mostly clear. High 84°, low 58°.
0American Canyon, Tuesday, 11 August
Clear. High 79°, low 57°.
0American Canyon, Wednesday, 12 August
Clear. High 73°, low 57°.
0
American Canyon, Thursday, 13 August
Partly cloudy. High 72°, low 57°.
0American Canyon, Friday, 14 August
Clear. High 75°, low 57°.
0American Canyon, Saturday, 15 August
Clear. High 76°, low 57°.
0
American Canyon, Sunday, 16 August
Overcast. High 79°, low 58°.
0American Canyon, Monday, 17 August
Overcast. High 87°, low 60°.
0American Canyon, Tuesday, 18 August
Clear. High 87°, low 60°.
0American Canyon, Wednesday, 19 August
Clear. High 87°, low 61°.
0American Canyon, Thursday, 20 August
Overcast. High 86°, low 60°.
0American Canyon, Friday, 21 August
Clear. High 92°, low 60°.
0American Canyon, Saturday, 22 August
Clear. High 96°, low 63°.
0American Canyon, Sunday, 23 August
Overcast. High 95°, low 65°.
0American Canyon, Monday, 24 August
Clear. High 92°, low 65°.
0American Canyon, Tuesday, 25 August
Climate normal for this date — 60-year average.
0American Canyon, Wednesday, 26 August
Climate normal for this date — 60-year average.
0American Canyon, Thursday, 27 August
Climate normal for this date — 60-year average.
0American Canyon, Friday, 28 August
Climate normal for this date — 60-year average.
0American Canyon, Saturday, 29 August
Climate normal for this date — 60-year average.
0American Canyon, Sunday, 30 August
Climate normal for this date — 60-year average.
0American Canyon, Monday, 31 August
Climate normal for this date — 60-year average.
0American Canyon, Tuesday, 1 September
Climate normal for this date — 60-year average.
0American Canyon, Wednesday, 2 September
Climate normal for this date — 60-year average.
0American Canyon, Thursday, 3 September
Climate normal for this date — 60-year average.
0American Canyon, Friday, 4 September
Climate normal for this date — 60-year average.
0American Canyon, Saturday, 5 September
Climate normal for this date — 60-year average.
0American Canyon, Sunday, 6 September
Climate normal for this date — 60-year average.
0American Canyon, 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 American Canyon, 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 American Canyon, 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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