Monthly outlook for New Castle, CO: average high 52.9°, average low 37.6°. That is 2.5° above the climate normal for November. Precipitation is expected on 4 days (about 0.8 inches), against a normal of 4 days and 1.0 inches. The warmest day looks like 10 November (59.1°), the coolest 20 November (32.2°).
52.9°/37.6°
Average high / low
+2.5°
Above normal
4 / 4
Wet days / normal
0.8 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
5 November – 14 November
56.4°
49.8°
+3.6°
15 November – 24 November
47.1°
44.8°
+1.3°
25 November – 4 December
at normal
38.6°
—
November records over 66 years
69.6°1 November 2008All-time high
-15.2°30 November 2006All-time low
Climate normals and records are computed from the nearest reference point — Silt (7 mi).
Fri, 0655° / 34°0
55 °
New Castle, Friday, 6 November
Mostly clear. High 55°, low 34°.
Pressure30.18 inHg
Wind3.4 mph SW
Humidity46%
Visibility6.2 mi
Dew point28°
Sat, 0755° / 34°0
55 °
New Castle, Saturday, 7 November
Clear. High 55°, low 34°.
Pressure30.24 inHg
Wind3.5 mph SW
Humidity49%
Visibility6.2 mi
Dew point29°
Sun, 0858° / 38°0
58 °
New Castle, Sunday, 8 November
Clear. High 58°, low 38°.
Pressure30.24 inHg
Wind2.3 mph SW
Humidity41%
Visibility6.2 mi
Dew point22°
Mon, 0959° / 39°0
59 °
New Castle, Monday, 9 November
Partly cloudy. High 59°, low 39°.
Pressure30.24 inHg
Wind3.3 mph SW
Humidity43%
Visibility—
Dew point30°
Tue, 1059° / 39°0
59 °
New Castle, Tuesday, 10 November
Partly cloudy. High 59°, low 39°.
Pressure30.24 inHg
Wind4.1 mph E
Humidity40%
Visibility—
Dew point29°
Wed, 1159° / 42°0
59 °
New Castle, Wednesday, 11 November
Mostly clear. High 59°, low 42°.
Pressure30.18 inHg
Wind5 mph E
Humidity39%
Visibility—
Dew point29°
Thu, 1257° / 43°0
57 °
New Castle, Thursday, 12 November
Clear. High 57°, low 43°.
Pressure30.24 inHg
Wind4.1 mph W
Humidity47%
Visibility—
Dew point33°
Fri, 1354° / 40°0
54 °
New Castle, Friday, 13 November
Clear. High 54°, low 40°.
Pressure30.09 inHg
Wind4.9 mph W
Humidity45%
Visibility—
Dew point29°
Sat, 1455° / 38°0.02
55 °
New Castle, Saturday, 14 November
Light rain. High 55°, low 38°.
Pressure29.94 inHg
Wind5 mph E
Humidity32%
Visibility—
Dew point22°
Sun, 1553° / 44°0.28
53 °
New Castle, Sunday, 15 November
Light rain. High 53°, low 44°.
Pressure29.88 inHg
Wind5.8 mph SE
Humidity66%
Visibility—
Dew point39°
Mon, 1649° / 39°0.26
49 °
New Castle, Monday, 16 November
Snow. High 49°, low 39°.
Pressure30.00 inHg
Wind6.2 mph W
Humidity57%
Visibility—
Dew point30°
Tue, 1744° / 37°0.01
44 °
New Castle, Tuesday, 17 November
Light rain. High 44°, low 37°.
Pressure29.97 inHg
Wind5.8 mph E
Humidity52%
Visibility—
Dew point26°
Wed, 1848° / 36°0.05
48 °
New Castle, Wednesday, 18 November
Light snow. High 48°, low 36°.
Pressure29.88 inHg
Wind6.9 mph E
Humidity50%
Visibility—
Dew point27°
Thu, 1942° / 33°0.12
42 °
New Castle, Thursday, 19 November
Snow. High 42°, low 33°.
Pressure30.21 inHg
Wind4.5 mph E
Humidity82%
Visibility—
Dew point34°
Fri, 2046° / 32°0
46 °
New Castle, Friday, 20 November
Mostly clear. High 46°, low 32°.
Pressure30.36 inHg
Wind4.3 mph E
Humidity65%
Visibility—
Dew point31°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 2145° / 20°0.07
45 °
New Castle, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high45°
Average low20°
Average precipitation0.07 in
Chance of precipitation33%
Record high59° (1989)
Record low-3° (1988)
Sun, 2244° / 21°0.06
44 °
New Castle, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high44°
Average low21°
Average precipitation0.06 in
Chance of precipitation27%
Record high56° (2006)
Record low-1° (1979)
Mon, 2343° / 20°0.07
43 °
New Castle, Monday, 23 November
Climate normal for this date — 60-year average.
Average high43°
Average low20°
Average precipitation0.07 in
Chance of precipitation30%
Record high58° (2017)
Record low-11° (1994)
Tue, 2442° / 18°0.06
42 °
New Castle, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high42°
Average low18°
Average precipitation0.06 in
Chance of precipitation25%
Record high61° (2017)
Record low-10° (2009)
Wed, 2541° / 20°0.07
41 °
New Castle, Wednesday, 25 November
Climate normal for this date — 60-year average.
Average high41°
Average low20°
Average precipitation0.07 in
Chance of precipitation30%
Record high58° (2017)
Record low-11° (2010)
Thu, 2639° / 20°0.1
39 °
New Castle, Thursday, 26 November
Climate normal for this date — 60-year average.
Average high39°
Average low20°
Average precipitation0.1 in
Chance of precipitation42%
Record high58° (2017)
Record low-9° (2010)
Fri, 2738° / 16°0.08
38 °
New Castle, Friday, 27 November
Climate normal for this date — 60-year average.
Average high38°
Average low16°
Average precipitation0.08 in
Chance of precipitation35%
Record high64° (2017)
Record low-10° (1967)
Sat, 2838° / 15°0.07
38 °
New Castle, Saturday, 28 November
Climate normal for this date — 60-year average.
Average high38°
Average low15°
Average precipitation0.07 in
Chance of precipitation30%
Record high59° (1998)
Record low-10° (2001)
Sun, 2938° / 15°0.07
38 °
New Castle, Sunday, 29 November
Climate normal for this date — 60-year average.
Average high38°
Average low15°
Average precipitation0.07 in
Chance of precipitation43%
Record high57° (1999)
Record low-11° (1960)
Mon, 3038° / 15°0.06
38 °
New Castle, Monday, 30 November
Climate normal for this date — 60-year average.
Average high38°
Average low15°
Average precipitation0.06 in
Chance of precipitation27%
Record high58° (1999)
Record low-15° (2006)
Tue, 0138° / 15°0.06
38 °
New Castle, Tuesday, 1 December
Climate normal for this date — 60-year average.
Average high38°
Average low15°
Average precipitation0.06 in
Chance of precipitation22%
Record high56° (1999)
Record low-10° (2004)
Wed, 0239° / 15°0.07
39 °
New Castle, Wednesday, 2 December
Climate normal for this date — 60-year average.
Average high39°
Average low15°
Average precipitation0.07 in
Chance of precipitation33%
Record high56° (2017)
Record low-7° (2004)
Thu, 0339° / 16°0.04
39 °
New Castle, Thursday, 3 December
Climate normal for this date — 60-year average.
Average high39°
Average low16°
Average precipitation0.04 in
Chance of precipitation27%
Record high60° (2017)
Record low-11° (2006)
Fri, 0439° / 14°0.05
39 °
New Castle, Friday, 4 December
Climate normal for this date — 60-year average.
Average high39°
Average low14°
Average precipitation0.05 in
Chance of precipitation23%
Record high55° (1987)
Record low-9° (2009)
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.