Weather in Los Alamos, NM
Los Alamos, Wednesday, 21 October, 15:19
Clear. Feels like 66°. High 68°, low 45°.
Monthly outlook for Los Alamos, NM: average high 54°, average low 41.8°. That is 3.9° below the climate normal for October. Precipitation is expected on 10 days (about 4.4 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 21 October (68.1°), the coolest 26 October (36.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 21 October – 30 October | 56.4° | 62.4° | -3.3° |
| 31 October – 9 November | 49.8° | 58.4° | -4.8° |
| 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).
0.62
Los Alamos, Thursday, 22 October
Rain. High 64°, low 49°.
0.43Los Alamos, Friday, 23 October
Rain. High 55°, low 45°.
1.36Los Alamos, Saturday, 24 October
Heavy rain. High 49°, low 42°.
0.2Los Alamos, Sunday, 25 October
Rain. High 52°, low 37°.
0Los Alamos, Monday, 26 October
Clear. High 51°, low 37°.
0
Los Alamos, Tuesday, 27 October
Mostly clear. High 59°, low 40°.
0
Los Alamos, Wednesday, 28 October
Overcast. High 56°, low 45°.
0.02Los Alamos, Thursday, 29 October
Light rain. High 55°, low 42°.
0.09Los Alamos, Friday, 30 October
Light rain. High 55°, low 45°.
0.59Los Alamos, Saturday, 31 October
Rain. High 49°, low 43°.
0.75Los Alamos, Sunday, 1 November
Rain. High 44°, low 40°.
0.04Los Alamos, Monday, 2 November
Light rain. High 50°, low 41°.
0.12Los Alamos, Tuesday, 3 November
Light rain. High 50°, low 40°.
0Los Alamos, Wednesday, 4 November
Mostly clear. High 50°, low 39°.
0Los Alamos, Thursday, 5 November
Clear. High 56°, low 41°.
0.01Los 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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