Weather in New Castle, CO
New Castle, Friday, 30 October, 11:03
Overcast. Feels like 51°. High 64°, low 41°.
Monthly outlook for New Castle, CO: average high 50.8°, average low 36.1°. That is 0° above the climate normal for October. Precipitation is expected on 6 days (about 1.8 inches), against a normal of 4 days and 1.1 inches. The warmest day looks like 30 October (64.5°), the coolest 14 November (27.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 53.6° | 52.2° | +0.8° |
| 9 November – 18 November | 46° | 47.5° | -0.8° |
| 19 November – 28 November | at normal | 41.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Silt (7 mi).
0.02
New Castle, Saturday, 31 October
Light rain. High 58°, low 43°.
0.55New Castle, Sunday, 1 November
Rain. High 56°, low 43°.
0.28New Castle, Monday, 2 November
Rain. High 49°, low 39°.
0.02New Castle, Tuesday, 3 November
Light rain. High 53°, low 35°.
0New Castle, Wednesday, 4 November
Overcast. High 57°, low 35°.
0New Castle, Thursday, 5 November
Overcast. High 54°, low 40°.
0New Castle, Friday, 6 November
Overcast. High 57°, low 42°.
0.44
New Castle, Saturday, 7 November
Snow. High 46°, low 34°.
0.02New Castle, Sunday, 8 November
Snow. High 42°, low 31°.
0New Castle, Monday, 9 November
Overcast. High 46°, low 32°.
0New Castle, Tuesday, 10 November
Overcast. High 49°, low 35°.
0.04New Castle, Wednesday, 11 November
Snow. High 55°, low 38°.
0.35New Castle, Thursday, 12 November
Snow. High 42°, low 32°.
0.11New Castle, Friday, 13 November
Light snow. High 40°, low 29°.
0
New Castle, Saturday, 14 November
Clear. High 44°, low 27°.
0.06
New Castle, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04
New Castle, Monday, 16 November
Climate normal for this date — 60-year average.
0.06New Castle, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.06New Castle, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.09New Castle, Thursday, 19 November
Climate normal for this date — 60-year average.
0.04New Castle, Friday, 20 November
Climate normal for this date — 60-year average.
0.07
New Castle, Saturday, 21 November
Climate normal for this date — 60-year average.
0.06New Castle, Sunday, 22 November
Climate normal for this date — 60-year average.
0.07New Castle, Monday, 23 November
Climate normal for this date — 60-year average.
0.06New Castle, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.07New Castle, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.1New Castle, Thursday, 26 November
Climate normal for this date — 60-year average.
0.08New Castle, Friday, 27 November
Climate normal for this date — 60-year average.
0.07New Castle, Saturday, 28 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 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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