Weather in Sunnyvale, CA
Sunnyvale, Sunday, 1 November, 07:38
Clear. Feels like 50°. High 63°, low 50°.
Monthly outlook for Sunnyvale, CA: average high 68.1°, average low 53.4°. That is 1.2° above the climate normal for November. Precipitation is expected on 6 days (about 4.7 inches), against a normal of 3 days and 1.0 inches. The warmest day looks like 8 November (78.2°), the coolest 2 November (46.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 1 November – 10 November | 70.7° | 67° | +2° |
| 11 November – 20 November | 63.8° | 63.2° | +0.4° |
| 21 November – 30 November | at normal | 60.1° | — |
November records over 66 years
0
Sunnyvale, Monday, 2 November
Overcast. High 65°, low 46°.
0.06
Sunnyvale, Tuesday, 3 November
Light rain. High 66°, low 52°.
0Sunnyvale, Wednesday, 4 November
Clear. High 65°, low 51°.
0
Sunnyvale, Thursday, 5 November
Mostly clear. High 69°, low 48°.
0Sunnyvale, Friday, 6 November
Overcast. High 68°, low 50°.
0Sunnyvale, Saturday, 7 November
Mostly clear. High 78°, low 57°.
0Sunnyvale, Sunday, 8 November
Clear. High 78°, low 58°.
0Sunnyvale, Monday, 9 November
Mostly clear. High 77°, low 58°.
0Sunnyvale, Tuesday, 10 November
Clear. High 76°, low 58°.
0Sunnyvale, Wednesday, 11 November
Overcast. High 75°, low 57°.
0.68Sunnyvale, Thursday, 12 November
Heavy rain. High 62°, low 56°.
1.07Sunnyvale, Friday, 13 November
Heavy rain. High 61°, low 55°.
2.3Sunnyvale, Saturday, 14 November
Heavy rain. High 62°, low 55°.
0.41Sunnyvale, Sunday, 15 November
Light rain. High 60°, low 51°.
0Sunnyvale, Monday, 16 November
Overcast. High 63°, low 51°.
0.11
Sunnyvale, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06Sunnyvale, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.03Sunnyvale, Thursday, 19 November
Climate normal for this date — 60-year average.
0.09Sunnyvale, Friday, 20 November
Climate normal for this date — 60-year average.
0.07Sunnyvale, Saturday, 21 November
Climate normal for this date — 60-year average.
0.07Sunnyvale, Sunday, 22 November
Climate normal for this date — 60-year average.
0.04Sunnyvale, Monday, 23 November
Climate normal for this date — 60-year average.
0.07Sunnyvale, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.05Sunnyvale, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.07Sunnyvale, Thursday, 26 November
Climate normal for this date — 60-year average.
0.06Sunnyvale, Friday, 27 November
Climate normal for this date — 60-year average.
0.11Sunnyvale, Saturday, 28 November
Climate normal for this date — 60-year average.
0.11Sunnyvale, Sunday, 29 November
Climate normal for this date — 60-year average.
0.14Sunnyvale, Monday, 30 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 Sunnyvale, 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 Sunnyvale, 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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