Monthly outlook for Twin Spruce, CO: average high 38.6°, average low 21.2°. That is 4.4° below the climate normal for November. Precipitation is expected on 0 days (about 0.1 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 13 November (49.5°), the coolest 23 November (8°).
38.6°/21.2°
Average high / low
−4.4°
Below normal
0 / 3
Wet days / normal
0.1 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
13 November – 22 November
41.6°
48.5°
-3.8°
23 November – 2 December
33.7°
42.6°
-5°
3 December – 12 December
at normal
41.1°
—
November records over 66 years
77.7°2 November 2025All-time high
-16.8°28 November 1976All-time low
Climate normals and records are computed from the nearest reference point — Boulder (11 mi).
Sat, 1440° / 27°0
40 °
Twin Spruce, Saturday, 14 November
Overcast. High 40°, low 27°.
Pressure29.71 inHg
Wind4.1 mph E
Humidity57%
Visibility6.2 mi
Dew point21°
Sun, 1544° / 24°0
44 °
Twin Spruce, Sunday, 15 November
Clear. High 44°, low 24°.
Pressure30.03 inHg
Wind4.4 mph E
Humidity51%
Visibility6.2 mi
Dew point25°
Mon, 1649° / 24°0
49 °
Twin Spruce, Monday, 16 November
Overcast. High 49°, low 24°.
Pressure30.00 inHg
Wind4.2 mph E
Humidity39%
Visibility6.2 mi
Dew point18°
Tue, 1748° / 26°0
48 °
Twin Spruce, Tuesday, 17 November
Overcast. High 48°, low 26°.
Pressure29.83 inHg
Wind8.1 mph SW
Humidity38%
Visibility—
Dew point21°
Wed, 1834° / 23°0.01
34 °
Twin Spruce, Wednesday, 18 November
Light snow. High 34°, low 23°.
Pressure29.65 inHg
Wind24.8 mph W
Humidity63%
Visibility—
Dew point22°
Thu, 1943° / 25°0
43 °
Twin Spruce, Thursday, 19 November
Overcast. High 43°, low 25°.
Pressure29.94 inHg
Wind6.8 mph W
Humidity11%
Visibility—
Dew point-10°
Fri, 2044° / 23°0.03
44 °
Twin Spruce, Friday, 20 November
Light snow. High 44°, low 23°.
Pressure29.59 inHg
Wind28 mph W
Humidity29%
Visibility—
Dew point9°
Sat, 2131° / 21°0.03
31 °
Twin Spruce, Saturday, 21 November
Light snow. High 31°, low 21°.
Pressure29.68 inHg
Wind28 mph W
Humidity36%
Visibility—
Dew point5°
Sun, 2233° / 17°0
33 °
Twin Spruce, Sunday, 22 November
Mostly clear. High 33°, low 17°.
Pressure29.88 inHg
Wind17 mph W
Humidity24%
Visibility—
Dew point-3°
Mon, 2321° / 8°0
21 °
Twin Spruce, Monday, 23 November
Light snow. High 21°, low 8°.
Pressure30.39 inHg
Wind12 mph W
Humidity47%
Visibility—
Dew point0°
Tue, 2438° / 11°0
38 °
Twin Spruce, Tuesday, 24 November
Clear. High 38°, low 11°.
Pressure30.09 inHg
Wind7.9 mph W
Humidity14%
Visibility—
Dew point-12°
Wed, 2534° / 14°0
34 °
Twin Spruce, Wednesday, 25 November
Clear. High 34°, low 14°.
Pressure30.03 inHg
Wind11.6 mph W
Humidity20%
Visibility—
Dew point-7°
Thu, 2634° / 22°0
34 °
Twin Spruce, Thursday, 26 November
Overcast. High 34°, low 22°.
Pressure29.91 inHg
Wind11.6 mph W
Humidity23%
Visibility—
Dew point-2°
Fri, 2739° / 22°0
39 °
Twin Spruce, Friday, 27 November
Partly cloudy. High 39°, low 22°.
Pressure29.88 inHg
Wind13 mph W
Humidity15%
Visibility—
Dew point-7°
Sat, 2837° / 26°0.01
37 °
Twin Spruce, Saturday, 28 November
Light snow. High 37°, low 26°.
Pressure29.77 inHg
Wind21.1 mph W
Humidity38%
Visibility—
Dew point12°
From day 17 onward the outlook is built from 60-year climate statistics
Sun, 2941° / 18°0.04
41 °
Twin Spruce, Sunday, 29 November
Climate normal for this date — 60-year average.
Average high41°
Average low18°
Average precipitation0.04 in
Chance of precipitation18%
Record high69° (2021)
Record low-5° (1979)
Mon, 3041° / 18°0.03
41 °
Twin Spruce, Monday, 30 November
Climate normal for this date — 60-year average.
Average high41°
Average low18°
Average precipitation0.03 in
Chance of precipitation23%
Record high61° (1999)
Record low-13° (2006)
Tue, 0142° / 19°0.02
42 °
Twin Spruce, Tuesday, 1 December
Climate normal for this date — 60-year average.
Average high42°
Average low19°
Average precipitation0.02 in
Chance of precipitation13%
Record high69° (2021)
Record low1° (2004)
Wed, 0243° / 20°0.03
43 °
Twin Spruce, Wednesday, 2 December
Climate normal for this date — 60-year average.
Average high43°
Average low20°
Average precipitation0.03 in
Chance of precipitation13%
Record high65° (2021)
Record low-5° (2004)
Thu, 0342° / 19°0.04
42 °
Twin Spruce, Thursday, 3 December
Climate normal for this date — 60-year average.
Average high42°
Average low19°
Average precipitation0.04 in
Chance of precipitation17%
Record high63° (2017)
Record low-7° (2006)
Fri, 0443° / 18°0.02
43 °
Twin Spruce, Friday, 4 December
Climate normal for this date — 60-year average.
Average high43°
Average low18°
Average precipitation0.02 in
Chance of precipitation12%
Record high63° (2021)
Record low-10° (2009)
Sat, 0542° / 18°0.04
42 °
Twin Spruce, Saturday, 5 December
Climate normal for this date — 60-year average.
Average high42°
Average low18°
Average precipitation0.04 in
Chance of precipitation22%
Record high65° (2012)
Record low-20° (2013)
Sun, 0640° / 18°0.04
40 °
Twin Spruce, Sunday, 6 December
Climate normal for this date — 60-year average.
Average high40°
Average low18°
Average precipitation0.04 in
Chance of precipitation23%
Record high57° (2023)
Record low-20° (1972)
Mon, 0740° / 19°0.05
40 °
Twin Spruce, Monday, 7 December
Climate normal for this date — 60-year average.
Average high40°
Average low19°
Average precipitation0.05 in
Chance of precipitation23%
Record high59° (1965)
Record low-12° (2013)
Tue, 0840° / 18°0.04
40 °
Twin Spruce, Tuesday, 8 December
Climate normal for this date — 60-year average.
Average high40°
Average low18°
Average precipitation0.04 in
Chance of precipitation25%
Record high59° (1981)
Record low-20° (1978)
Wed, 0940° / 16°0.04
40 °
Twin Spruce, Wednesday, 9 December
Climate normal for this date — 60-year average.
Average high40°
Average low16°
Average precipitation0.04 in
Chance of precipitation22%
Record high60° (1981)
Record low-14° (1978)
Thu, 1041° / 17°0.04
41 °
Twin Spruce, Thursday, 10 December
Climate normal for this date — 60-year average.
Average high41°
Average low17°
Average precipitation0.04 in
Chance of precipitation15%
Record high61° (1990)
Record low-17° (1972)
Fri, 1141° / 18°0.03
41 °
Twin Spruce, Friday, 11 December
Climate normal for this date — 60-year average.
Average high41°
Average low18°
Average precipitation0.03 in
Chance of precipitation17%
Record high63° (2025)
Record low-12° (1972)
Sat, 1241° / 18°0.02
41 °
Twin Spruce, Saturday, 12 December
Climate normal for this date — 60-year average.
Average high41°
Average low18°
Average precipitation0.02 in
Chance of precipitation12%
Record high62° (2017)
Record low-20° (1961)
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 Twin Spruce, 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 Twin Spruce, 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.