Weather in Sunnyside, CA
Sunnyside, Sunday, 18 October, 13:47
Clear. Feels like 84°. High 88°, low 56°.
Monthly outlook for Sunnyside, CA: average high 73.5°, average low 55.9°. That is 0.7° below the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 1 days and 0.5 inches. The warmest day looks like 18 October (87.9°), the coolest 20 October (50.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 76.3° | 76.7° | -0.2° |
| 28 October – 6 November | 68.9° | 71.5° | -1.4° |
| 7 November – 16 November | at normal | 66.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Mayfair (5 mi).
0
Sunnyside, Monday, 19 October
Partly cloudy. High 83°, low 54°.
0
Sunnyside, Tuesday, 20 October
Overcast. High 75°, low 51°.
0.11
Sunnyside, Wednesday, 21 October
Rain. High 65°, low 57°.
0Sunnyside, Thursday, 22 October
Overcast. High 70°, low 52°.
0Sunnyside, Friday, 23 October
Clear. High 72°, low 51°.
0Sunnyside, Saturday, 24 October
Clear. High 77°, low 55°.
0Sunnyside, Sunday, 25 October
Clear. High 80°, low 63°.
0Sunnyside, Monday, 26 October
Overcast. High 81°, low 65°.
0Sunnyside, Tuesday, 27 October
Overcast. High 72°, low 60°.
0Sunnyside, Wednesday, 28 October
Overcast. High 68°, low 53°.
0
Sunnyside, Thursday, 29 October
Mostly clear. High 68°, low 54°.
0Sunnyside, Friday, 30 October
Overcast. High 66°, low 55°.
0Sunnyside, Saturday, 31 October
Overcast. High 68°, low 56°.
0Sunnyside, Sunday, 1 November
Clear. High 70°, low 55°.
0Sunnyside, Monday, 2 November
Clear. High 73°, low 57°.
0.03Sunnyside, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Sunnyside, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.02Sunnyside, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Sunnyside, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Sunnyside, Saturday, 7 November
Climate normal for this date — 60-year average.
0.08Sunnyside, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Sunnyside, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Sunnyside, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.08Sunnyside, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Sunnyside, Thursday, 12 November
Climate normal for this date — 60-year average.
0.08Sunnyside, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Sunnyside, Saturday, 14 November
Climate normal for this date — 60-year average.
0.04Sunnyside, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Sunnyside, Monday, 16 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 Sunnyside, 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 Sunnyside, 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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