Weather in Penn Valley, CA
Penn Valley, Saturday, 31 October, 14:38
Overcast. Feels like 60°. High 62°, low 48°.
Monthly outlook for Penn Valley, CA: average high 63.4°, average low 46.9°. That is 1.4° above the climate normal for October. Precipitation is expected on 3 days (about 1.9 inches), against a normal of 4 days and 2.6 inches. The warmest day looks like 8 November (73.1°), the coolest 13 November (38.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 66.8° | 62.3° | +2.5° |
| 10 November – 19 November | 57.7° | 57.8° | -0.1° |
| 20 November – 29 November | at normal | 54.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Alta Sierra (9 mi).
0
Penn Valley, Sunday, 1 November
Clear. High 64°, low 47°.
0Penn Valley, Monday, 2 November
Overcast. High 65°, low 45°.
0.18
Penn Valley, Tuesday, 3 November
Rain. High 62°, low 46°.
0Penn Valley, Wednesday, 4 November
Clear. High 64°, low 43°.
0Penn Valley, Thursday, 5 November
Overcast. High 65°, low 45°.
0Penn Valley, Friday, 6 November
Overcast. High 69°, low 47°.
0Penn Valley, Saturday, 7 November
Clear. High 73°, low 51°.
0
Penn Valley, Sunday, 8 November
Partly cloudy. High 73°, low 53°.
0Penn Valley, Monday, 9 November
Overcast. High 71°, low 55°.
0.17Penn Valley, Tuesday, 10 November
Rain. High 66°, low 53°.
1.53Penn Valley, Wednesday, 11 November
Heavy rain. High 52°, low 44°.
0.02Penn Valley, Thursday, 12 November
Light rain. High 53°, low 40°.
0Penn Valley, Friday, 13 November
Overcast. High 58°, low 39°.
0Penn Valley, Saturday, 14 November
Overcast. High 58°, low 44°.
0Penn Valley, Sunday, 15 November
Overcast. High 59°, low 49°.
0.23
Penn 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.
0.18Penn Valley, Friday, 27 November
Climate normal for this date — 60-year average.
0.18Penn Valley, Saturday, 28 November
Climate normal for this date — 60-year average.
0.27Penn Valley, Sunday, 29 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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