Weather in Lewiston, CA
Lewiston, Thursday, 15 October, 14:17
Clear. Feels like 81°. High 85°, low 45°.
Monthly outlook for Lewiston, CA: average high 75.2°, average low 45.8°. That is 3.7° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 3 days and 1.7 inches. The warmest day looks like 16 October (90°), the coolest 24 October (36.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 75.2° | 70.6° | +2.5° |
| 25 October – 3 November | 75.2° | 64.8° | +5.8° |
| 4 November – 13 November | at normal | 59° | — |
October records over 66 years
0Lewiston, Friday, 16 October
Clear. High 90°, low 47°.
0
Lewiston, Saturday, 17 October
Overcast. High 85°, low 48°.
0Lewiston, Sunday, 18 October
Clear. High 81°, low 53°.
0Lewiston, Monday, 19 October
Overcast. High 69°, low 47°.
0Lewiston, Tuesday, 20 October
Overcast. High 69°, low 50°.
0
Lewiston, Wednesday, 21 October
Partly cloudy. High 69°, low 44°.
0Lewiston, Thursday, 22 October
Overcast. High 69°, low 40°.
0Lewiston, Friday, 23 October
Clear. High 68°, low 39°.
0Lewiston, Saturday, 24 October
Clear. High 66°, low 36°.
0Lewiston, Sunday, 25 October
Clear. High 71°, low 40°.
0Lewiston, Monday, 26 October
Overcast. High 76°, low 45°.
0Lewiston, Tuesday, 27 October
Overcast. High 72°, low 49°.
0Lewiston, Wednesday, 28 October
Overcast. High 77°, low 47°.
0Lewiston, Thursday, 29 October
Overcast. High 74°, low 50°.
0Lewiston, Friday, 30 October
Partly cloudy. High 82°, low 53°.
0.09Lewiston, Saturday, 31 October
Climate normal for this date — 60-year average.
0.11Lewiston, Sunday, 1 November
Climate normal for this date — 60-year average.
0.11Lewiston, Monday, 2 November
Climate normal for this date — 60-year average.
0.09Lewiston, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.09Lewiston, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.15
Lewiston, Thursday, 5 November
Climate normal for this date — 60-year average.
0.14Lewiston, Friday, 6 November
Climate normal for this date — 60-year average.
0.21Lewiston, Saturday, 7 November
Climate normal for this date — 60-year average.
0.17Lewiston, Sunday, 8 November
Climate normal for this date — 60-year average.
0.22Lewiston, Monday, 9 November
Climate normal for this date — 60-year average.
0.21Lewiston, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.21Lewiston, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.15Lewiston, Thursday, 12 November
Climate normal for this date — 60-year average.
0.28Lewiston, 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 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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