Weather in New Castle, CO
New Castle, Thursday, 12 November, 05:29
Clear. Feels like 39°. High 61°, low 38°.
Monthly outlook for New Castle, CO: average high 47.8°, average low 33.5°. That is 2° above the climate normal for November. Precipitation is expected on 4 days (about 1.2 inches), against a normal of 5 days and 1.0 inches. The warmest day looks like 12 November (61°), the coolest 24 November (22.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 52.8° | 46.2° | +3.7° |
| 22 November – 1 December | 39.5° | 39.7° | -0.1° |
| 2 December – 11 December | at normal | 37.6° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Silt (7 mi).
0
New Castle, Friday, 13 November
Overcast. High 58°, low 39°.
0New Castle, Saturday, 14 November
Overcast. High 48°, low 38°.
0
New Castle, Sunday, 15 November
Partly cloudy. High 53°, low 38°.
0
New Castle, Monday, 16 November
Clear. High 55°, low 36°.
0New Castle, Tuesday, 17 November
Overcast. High 58°, low 38°.
0.24
New Castle, Wednesday, 18 November
Rain. High 51°, low 39°.
0.04
New Castle, Thursday, 19 November
Snow. High 47°, low 38°.
0New Castle, Friday, 20 November
Overcast. High 55°, low 37°.
0.24New Castle, Saturday, 21 November
Snow. High 43°, low 29°.
0.02New Castle, Sunday, 22 November
Snow. High 40°, low 29°.
0.65New Castle, Monday, 23 November
Snow. High 38°, low 33°.
0.01New Castle, Tuesday, 24 November
Light snow. High 36°, low 23°.
0New Castle, Wednesday, 25 November
Clear. High 39°, low 24°.
0New Castle, Thursday, 26 November
Partly cloudy. High 41°, low 28°.
0New Castle, Friday, 27 November
Partly cloudy. High 42°, low 30°.
0.07New Castle, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07
New Castle, Sunday, 29 November
Climate normal for this date — 60-year average.
0.06New Castle, Monday, 30 November
Climate normal for this date — 60-year average.
0.06New Castle, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.07New Castle, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.04New Castle, Thursday, 3 December
Climate normal for this date — 60-year average.
0.05New Castle, Friday, 4 December
Climate normal for this date — 60-year average.
0.07New Castle, Saturday, 5 December
Climate normal for this date — 60-year average.
0.08New Castle, Sunday, 6 December
Climate normal for this date — 60-year average.
0.1New Castle, Monday, 7 December
Climate normal for this date — 60-year average.
0.08New Castle, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.05New Castle, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.04New Castle, Thursday, 10 December
Climate normal for this date — 60-year average.
0.06New Castle, Friday, 11 December
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 New Castle, CO 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 New Castle, CO 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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