Weather in Lewiston, CA
Lewiston, Tuesday, 27 October, 15:40
Overcast. Feels like 57°. High 59°, low 41°.
Monthly outlook for Lewiston, CA: average high 64.4°, average low 42.5°. That is 1.4° above the climate normal for October. Precipitation is expected on 3 days (about 1.1 inches), against a normal of 5 days and 2.3 inches. The warmest day looks like 11 November (80.7°), the coolest 1 November (35.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 27 October – 5 November | 64.3° | 64° | +0.2° |
| 6 November – 15 November | 64.6° | 57.8° | +3.8° |
| 16 November – 25 November | at normal | 53.9° | — |
October records over 66 years
0
Lewiston, Wednesday, 28 October
Mostly clear. High 72°, low 39°.
0Lewiston, Thursday, 29 October
Overcast. High 64°, low 39°.
0Lewiston, Friday, 30 October
Mostly clear. High 62°, low 36°.
0Lewiston, Saturday, 31 October
Mostly clear. High 60°, low 40°.
0Lewiston, Sunday, 1 November
Mostly clear. High 60°, low 35°.
0Lewiston, Monday, 2 November
Overcast. High 70°, low 43°.
0.19
Lewiston, Tuesday, 3 November
Rain. High 69°, low 50°.
0.04Lewiston, Wednesday, 4 November
Light rain. High 59°, low 46°.
0Lewiston, Thursday, 5 November
Overcast. High 66°, low 44°.
0Lewiston, Friday, 6 November
Overcast. High 68°, low 46°.
0.52Lewiston, Saturday, 7 November
Rain. High 51°, low 46°.
0.32Lewiston, Sunday, 8 November
Rain. High 50°, low 40°.
0Lewiston, Monday, 9 November
Overcast. High 61°, low 39°.
0
Lewiston, Tuesday, 10 November
Clear. High 78°, low 45°.
0Lewiston, Wednesday, 11 November
Clear. High 81°, low 51°.
0.15
Lewiston, Thursday, 12 November
Climate normal for this date — 60-year average.
0.28
Lewiston, Friday, 13 November
Climate normal for this date — 60-year average.
0.15Lewiston, Saturday, 14 November
Climate normal for this date — 60-year average.
0.19Lewiston, Sunday, 15 November
Climate normal for this date — 60-year average.
0.22Lewiston, Monday, 16 November
Climate normal for this date — 60-year average.
0.19Lewiston, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.12Lewiston, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.23Lewiston, Thursday, 19 November
Climate normal for this date — 60-year average.
0.24Lewiston, Friday, 20 November
Climate normal for this date — 60-year average.
0.28Lewiston, Saturday, 21 November
Climate normal for this date — 60-year average.
0.24Lewiston, Sunday, 22 November
Climate normal for this date — 60-year average.
0.17Lewiston, Monday, 23 November
Climate normal for this date — 60-year average.
0.19Lewiston, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.11Lewiston, Wednesday, 25 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 Lewiston, 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 Lewiston, 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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