Weather in Los Alamos, NM
Los Alamos, Wednesday, 21 October, 08:50
Clear. Feels like 49°. High 71°, low 45°.
Monthly outlook for Los Alamos, NM: average high 56.5°, average low 42.5°. That is 2.5° below the climate normal for October. Precipitation is expected on 6 days (about 2.5 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 21 October (71°), the coolest 26 October (36°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 57.6° | 62.4° | -2.7° |
| 31 October – 9 November | 54.8° | 58.4° | -2° |
| 10 November – 19 November | at normal | 54.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — El Valle de Arroyo Seco (15 mi).
0.69
Los Alamos, Thursday, 22 October
Rain. High 65°, low 52°.
0.34Los Alamos, Friday, 23 October
Rain. High 56°, low 44°.
0.93Los Alamos, Saturday, 24 October
Rain. High 47°, low 44°.
0.3Los Alamos, Sunday, 25 October
Rain. High 52°, low 38°.
0Los Alamos, Monday, 26 October
Clear. High 52°, low 36°.
0Los Alamos, Tuesday, 27 October
Clear. High 59°, low 40°.
0
Los Alamos, Wednesday, 28 October
Overcast. High 58°, low 45°.
0Los Alamos, Thursday, 29 October
Overcast. High 59°, low 47°.
0.19Los Alamos, Friday, 30 October
Light rain. High 56°, low 48°.
0Los Alamos, Saturday, 31 October
Overcast. High 55°, low 43°.
0Los Alamos, Sunday, 1 November
Clear. High 53°, low 40°.
0Los Alamos, Monday, 2 November
Overcast. High 53°, low 38°.
0Los Alamos, Tuesday, 3 November
Clear. High 55°, low 41°.
0Los Alamos, Wednesday, 4 November
Overcast. High 54°, low 40°.
0Los Alamos, Thursday, 5 November
Clear. High 58°, low 39°.
0.01
Los Alamos, Friday, 6 November
Climate normal for this date — 60-year average.
0.06
Los Alamos, Saturday, 7 November
Climate normal for this date — 60-year average.
0.03Los Alamos, Sunday, 8 November
Climate normal for this date — 60-year average.
0.02Los Alamos, Monday, 9 November
Climate normal for this date — 60-year average.
0.01Los Alamos, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.04Los Alamos, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.04Los Alamos, Thursday, 12 November
Climate normal for this date — 60-year average.
0.02Los Alamos, Friday, 13 November
Climate normal for this date — 60-year average.
0.03Los Alamos, Saturday, 14 November
Climate normal for this date — 60-year average.
0.03Los Alamos, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Los Alamos, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Los Alamos, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.01Los Alamos, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.02Los Alamos, Thursday, 19 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 Los Alamos, NM 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 Los Alamos, NM 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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