Weather in Penn Valley, CA
Penn Valley, Wednesday, 28 October, 20:39
Overcast. Feels like 49°. High 67°, low 41°.
Monthly outlook for Penn Valley, CA: average high 65.9°, average low 48.6°. That is 2.2° above the climate normal for October. Precipitation is expected on 1 day (about 1.3 inches), against a normal of 4 days and 2.5 inches. The warmest day looks like 10 November (74.3°), the coolest 28 October (41.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 28 October – 6 November | 65.1° | 63.6° | +0.8° |
| 7 November – 16 November | 67.2° | 58.8° | +4.7° |
| 17 November – 26 November | at normal | 55.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Alta Sierra (9 mi).
0Penn Valley, Thursday, 29 October
Overcast. High 65°, low 45°.
0
Penn Valley, Friday, 30 October
Mostly clear. High 66°, low 51°.
0Penn Valley, Saturday, 31 October
Overcast. High 63°, low 50°.
0
Penn Valley, Sunday, 1 November
Clear. High 65°, low 46°.
0
Penn Valley, Monday, 2 November
Partly cloudy. High 66°, low 50°.
0Penn Valley, Tuesday, 3 November
Overcast. High 71°, low 47°.
0Penn Valley, Wednesday, 4 November
Overcast. High 58°, low 47°.
0Penn Valley, Thursday, 5 November
Overcast. High 63°, low 47°.
0Penn Valley, Friday, 6 November
Mostly clear. High 66°, low 46°.
0Penn Valley, Saturday, 7 November
Overcast. High 64°, low 50°.
0Penn Valley, Sunday, 8 November
Overcast. High 69°, low 49°.
0Penn Valley, Monday, 9 November
Overcast. High 71°, low 53°.
0Penn Valley, Tuesday, 10 November
Overcast. High 74°, low 54°.
0Penn Valley, Wednesday, 11 November
Clear. High 70°, low 53°.
1.34
Penn Valley, Thursday, 12 November
Rain. High 55°, low 48°.
0.26Penn Valley, Friday, 13 November
Climate normal for this date — 60-year average.
0.17
Penn Valley, Saturday, 14 November
Climate normal for this date — 60-year average.
0.13Penn Valley, Sunday, 15 November
Climate normal for this date — 60-year average.
0.23Penn Valley, Monday, 16 November
Climate normal for this date — 60-year average.
0.28Penn Valley, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.23Penn Valley, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.18Penn Valley, Thursday, 19 November
Climate normal for this date — 60-year average.
0.24Penn Valley, Friday, 20 November
Climate normal for this date — 60-year average.
0.29Penn Valley, Saturday, 21 November
Climate normal for this date — 60-year average.
0.24Penn Valley, Sunday, 22 November
Climate normal for this date — 60-year average.
0.23Penn Valley, Monday, 23 November
Climate normal for this date — 60-year average.
0.22Penn Valley, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.18Penn Valley, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.17Penn Valley, Thursday, 26 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 Penn Valley, 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 Penn Valley, 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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