Weather in New Castle, CO
New Castle, Friday, 16 October, 22:28
Clear. Feels like 40°. High 60°, low 33°.
Monthly outlook for New Castle, CO: average high 58.8°, average low 42°. That is 0° below the climate normal for October. Precipitation is expected on 6 days (about 1.9 inches), against a normal of 4 days and 1.0 inches. The warmest day looks like 17 October (65°), the coolest 16 October (33.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 61.1° | 61.3° | -0.1° |
| 26 October – 4 November | 55.1° | 53.8° | +0.8° |
| 5 November – 14 November | at normal | 49.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Silt (7 mi).
0
New Castle, Saturday, 17 October
Clear. High 65°, low 42°.
0
New Castle, Sunday, 18 October
Overcast. High 61°, low 45°.
0
New Castle, Monday, 19 October
Light rain. High 63°, low 47°.
0.01New Castle, Tuesday, 20 October
Light rain. High 64°, low 44°.
0.02New Castle, Wednesday, 21 October
Light rain. High 62°, low 46°.
0.52New Castle, Thursday, 22 October
Heavy rain. High 64°, low 46°.
0.2New Castle, Friday, 23 October
Rain. High 54°, low 45°.
0.02New Castle, Saturday, 24 October
Light rain. High 62°, low 40°.
0.13New Castle, Sunday, 25 October
Light rain. High 55°, low 41°.
0New Castle, Monday, 26 October
Clear. High 56°, low 38°.
0
New Castle, Tuesday, 27 October
Mostly clear. High 59°, low 40°.
0.05New Castle, Wednesday, 28 October
Light rain. High 60°, low 46°.
0.59New Castle, Thursday, 29 October
Rain. High 50°, low 43°.
0.31New Castle, Friday, 30 October
Rain. High 50°, low 40°.
0
New Castle, Saturday, 31 October
Partly cloudy. High 55°, low 36°.
0.07New Castle, Sunday, 1 November
Climate normal for this date — 60-year average.
0.07New Castle, Monday, 2 November
Climate normal for this date — 60-year average.
0.09New Castle, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04New Castle, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.06New Castle, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03New Castle, Friday, 6 November
Climate normal for this date — 60-year average.
0.03New Castle, Saturday, 7 November
Climate normal for this date — 60-year average.
0.08New Castle, Sunday, 8 November
Climate normal for this date — 60-year average.
0.13
New Castle, Monday, 9 November
Climate normal for this date — 60-year average.
0.06New Castle, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07New Castle, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.08New Castle, Thursday, 12 November
Climate normal for this date — 60-year average.
0.06New Castle, Friday, 13 November
Climate normal for this date — 60-year average.
0.05New Castle, Saturday, 14 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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