Weather in Lewiston, UT
Lewiston, Thursday, 22 October, 08:00
Partly cloudy. Feels like 47°. High 72°, low 47°.
Monthly outlook for Lewiston, UT: average high 59.2°, average low 42.8°. That is 3.9° above the climate normal for October. Precipitation is expected on 3 days (about 1.4 inches), against a normal of 4 days and 1.1 inches. The warmest day looks like 22 October (72.3°), the coolest 1 November (37.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 58.4° | 53.5° | +2.7° |
| 1 November – 10 November | 60.4° | 48.5° | +6.6° |
| 11 November – 20 November | at normal | 43.3° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Cove (5 mi).
0.77
Lewiston, Friday, 23 October
Heavy rain. High 59°, low 47°.
0
Lewiston, Saturday, 24 October
Clear. High 57°, low 39°.
0
Lewiston, Sunday, 25 October
Overcast. High 55°, low 38°.
0
Lewiston, Monday, 26 October
Mostly clear. High 58°, low 40°.
0.54Lewiston, Tuesday, 27 October
Rain. High 47°, low 39°.
0Lewiston, Wednesday, 28 October
Clear. High 57°, low 39°.
0Lewiston, Thursday, 29 October
Overcast. High 61°, low 44°.
0Lewiston, Friday, 30 October
Overcast. High 62°, low 47°.
0.02Lewiston, Saturday, 31 October
Light rain. High 55°, low 43°.
0Lewiston, Sunday, 1 November
Clear. High 54°, low 37°.
0Lewiston, Monday, 2 November
Clear. High 57°, low 38°.
0Lewiston, Tuesday, 3 November
Overcast. High 61°, low 43°.
0Lewiston, Wednesday, 4 November
Overcast. High 62°, low 47°.
0Lewiston, Thursday, 5 November
Partly cloudy. High 62°, low 48°.
0Lewiston, Friday, 6 November
Mostly clear. High 66°, low 48°.
0.09Lewiston, Saturday, 7 November
Climate normal for this date — 60-year average.
0.1
Lewiston, Sunday, 8 November
Climate normal for this date — 60-year average.
0.1Lewiston, Monday, 9 November
Climate normal for this date — 60-year average.
0.06Lewiston, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Lewiston, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Lewiston, Thursday, 12 November
Climate normal for this date — 60-year average.
0.07Lewiston, Friday, 13 November
Climate normal for this date — 60-year average.
0.09Lewiston, Saturday, 14 November
Climate normal for this date — 60-year average.
0.03Lewiston, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Lewiston, Monday, 16 November
Climate normal for this date — 60-year average.
0.09Lewiston, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.1Lewiston, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.06Lewiston, Thursday, 19 November
Climate normal for this date — 60-year average.
0.08Lewiston, Friday, 20 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, UT 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, UT 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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