Weather in Trinity Alps, CA
Trinity Alps, Friday, 16 October, 16:41
Clear. Feels like 83°. High 87°, low 41°.
Monthly outlook for Trinity Alps, CA: average high 59.1°, average low 39.7°. That is 5° below the climate normal for October. Precipitation is expected on 5 days (about 1.6 inches), against a normal of 3 days and 1.7 inches. The warmest day looks like 16 October (86.6°), the coolest 27 October (33.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 66° | 70.1° | -2.2° |
| 26 October – 4 November | 47.5° | 64.5° | -9.4° |
| 5 November – 14 November | at normal | 58.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lewiston (12 mi).
0
Trinity Alps, Saturday, 17 October
Partly cloudy. High 81°, low 43°.
0Trinity Alps, Sunday, 18 October
Clear. High 71°, low 40°.
0.01
Trinity Alps, Monday, 19 October
Light rain. High 58°, low 43°.
0.02Trinity Alps, Tuesday, 20 October
Light rain. High 56°, low 41°.
0
Trinity Alps, Wednesday, 21 October
Mostly clear. High 65°, low 48°.
0
Trinity Alps, Thursday, 22 October
Overcast. High 66°, low 42°.
0Trinity Alps, Friday, 23 October
Clear. High 62°, low 36°.
0Trinity Alps, Saturday, 24 October
Clear. High 69°, low 37°.
0.08Trinity Alps, Sunday, 25 October
Light rain. High 46°, low 39°.
0.58Trinity Alps, Monday, 26 October
Rain. High 40°, low 38°.
0.04Trinity Alps, Tuesday, 27 October
Light rain. High 45°, low 33°.
0.29Trinity Alps, Wednesday, 28 October
Light rain. High 42°, low 40°.
0.59Trinity Alps, Thursday, 29 October
Rain. High 49°, low 41°.
0Trinity Alps, Friday, 30 October
Mostly clear. High 54°, low 36°.
0Trinity Alps, Saturday, 31 October
Overcast. High 56°, low 37°.
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.
0.15Trinity Alps, Saturday, 14 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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