Weather in Lewiston, CA
Lewiston, Wednesday, 14 October, 18:59
Clear. Feels like 68°. High 75°, low 41°.
Monthly outlook for Lewiston, CA: average high 78.9°, average low 46.5°. That is 5.4° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 3 days and 1.6 inches. The warmest day looks like 27 October (89°), the coolest 23 October (36.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 14 October – 23 October | 76.7° | 71.2° | +3° |
| 24 October – 2 November | 82.6° | 65.1° | +9.7° |
| 3 November – 12 November | at normal | 59.8° | — |
October records over 66 years
0
Lewiston, Thursday, 15 October
Clear. High 87°, low 49°.
0Lewiston, Friday, 16 October
Clear. High 89°, low 46°.
0
Lewiston, Saturday, 17 October
Overcast. High 86°, low 56°.
0Lewiston, Sunday, 18 October
Clear. High 82°, low 55°.
0.02
Lewiston, Monday, 19 October
Light rain. High 68°, low 47°.
0Lewiston, Tuesday, 20 October
Overcast. High 66°, low 43°.
0Lewiston, Wednesday, 21 October
Clear. High 73°, low 40°.
0
Lewiston, Thursday, 22 October
Partly cloudy. High 70°, low 38°.
0Lewiston, Friday, 23 October
Clear. High 70°, low 36°.
0
Lewiston, Saturday, 24 October
Mostly clear. High 74°, low 40°.
0Lewiston, Sunday, 25 October
Overcast. High 79°, low 46°.
0Lewiston, Monday, 26 October
Overcast. High 85°, low 49°.
0Lewiston, Tuesday, 27 October
Partly cloudy. High 89°, low 55°.
0Lewiston, Wednesday, 28 October
Overcast. High 87°, low 55°.
0Lewiston, Thursday, 29 October
Overcast. High 81°, low 48°.
0.13Lewiston, Friday, 30 October
Climate normal for this date — 60-year average.
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.
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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