Weather in Trinity Alps, CA
Trinity Alps, Thursday, 15 October, 19:58
Clear. Feels like 59°. High 80°, low 41°.
Monthly outlook for Trinity Alps, CA: average high 68.8°, average low 44°. That is 0.2° above the climate normal for October. Precipitation is expected on 2 days (about 0.5 inches), against a normal of 3 days and 1.7 inches. The warmest day looks like 16 October (85.2°), the coolest 23 October (38.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 70.4° | 70.6° | -0.1° |
| 25 October – 3 November | 66.1° | 64.8° | +0.8° |
| 4 November – 13 November | at normal | 59° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lewiston (12 mi).
0
Trinity Alps, Friday, 16 October
Clear. High 85°, low 43°.
0
Trinity Alps, Saturday, 17 October
Partly cloudy. High 75°, low 43°.
0Trinity Alps, Sunday, 18 October
Clear. High 71°, low 54°.
0.01
Trinity Alps, Monday, 19 October
Light rain. High 57°, low 40°.
0.03Trinity Alps, Tuesday, 20 October
Light rain. High 56°, low 41°.
0Trinity Alps, Wednesday, 21 October
Clear. High 69°, low 45°.
0
Trinity Alps, Thursday, 22 October
Mostly clear. High 68°, low 42°.
0Trinity Alps, Friday, 23 October
Clear. High 70°, low 39°.
0Trinity Alps, Saturday, 24 October
Clear. High 73°, low 43°.
0
Trinity Alps, Sunday, 25 October
Overcast. High 75°, low 48°.
0Trinity Alps, Monday, 26 October
Overcast. High 74°, low 48°.
0Trinity Alps, Tuesday, 27 October
Overcast. High 71°, low 45°.
0Trinity Alps, Wednesday, 28 October
Overcast. High 68°, low 46°.
0.37Trinity Alps, Thursday, 29 October
Rain. High 49°, low 45°.
0.05Trinity Alps, Friday, 30 October
Light rain. High 59°, low 41°.
0.09Trinity Alps, Saturday, 31 October
Climate normal for this date — 60-year average.
0.11Trinity Alps, Sunday, 1 November
Climate normal for this date — 60-year average.
0.11Trinity Alps, Monday, 2 November
Climate normal for this date — 60-year average.
0.09Trinity Alps, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Trinity Alps, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.15
Trinity Alps, Thursday, 5 November
Climate normal for this date — 60-year average.
0.14Trinity Alps, Friday, 6 November
Climate normal for this date — 60-year average.
0.21Trinity Alps, Saturday, 7 November
Climate normal for this date — 60-year average.
0.17Trinity Alps, Sunday, 8 November
Climate normal for this date — 60-year average.
0.22Trinity Alps, Monday, 9 November
Climate normal for this date — 60-year average.
0.21Trinity Alps, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.21Trinity Alps, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.15Trinity Alps, Thursday, 12 November
Climate normal for this date — 60-year average.
0.28Trinity Alps, Friday, 13 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 Trinity Alps, 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 Trinity Alps, 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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