Weather in Trinity Alps, CA
Trinity Alps, Saturday, 10 October, 17:52
Clear. Feels like 65°. High 67°, low 44°.
Monthly outlook for Trinity Alps, CA: average high 74.6°, average low 49.4°. That is 1.9° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 3 days and 1.5 inches. The warmest day looks like 16 October (85.9°), the coolest 12 October (40.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 74.1° | 72.8° | +0.7° |
| 20 October – 29 October | 75.3° | 67.1° | +4.6° |
| 30 October – 8 November | at normal | 62.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lewiston (12 mi).
0Trinity Alps, Sunday, 11 October
Clear. High 66°, low 41°.
0Trinity Alps, Monday, 12 October
Clear. High 59°, low 40°.
0
Trinity Alps, Tuesday, 13 October
Partly cloudy. High 66°, low 41°.
0Trinity Alps, Wednesday, 14 October
Clear. High 73°, low 54°.
0Trinity Alps, Thursday, 15 October
Clear. High 78°, low 60°.
0Trinity Alps, Friday, 16 October
Clear. High 86°, low 59°.
0
Trinity Alps, Saturday, 17 October
Mostly clear. High 86°, low 56°.
0Trinity Alps, Sunday, 18 October
Partly cloudy. High 83°, low 53°.
0
Trinity Alps, Monday, 19 October
Overcast. High 78°, low 48°.
0Trinity Alps, Tuesday, 20 October
Overcast. High 68°, low 45°.
0Trinity Alps, Wednesday, 21 October
Overcast. High 75°, low 43°.
0Trinity Alps, Thursday, 22 October
Clear. High 81°, low 51°.
0Trinity Alps, Friday, 23 October
Clear. High 80°, low 52°.
0Trinity Alps, Saturday, 24 October
Overcast. High 78°, low 52°.
0Trinity Alps, Sunday, 25 October
Partly cloudy. High 71°, low 50°.
0.11Trinity Alps, Monday, 26 October
Climate normal for this date — 60-year average.
0.08Trinity Alps, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.12Trinity Alps, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.15Trinity Alps, Thursday, 29 October
Climate normal for this date — 60-year average.
0.13Trinity Alps, Friday, 30 October
Climate normal for this date — 60-year average.
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.
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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