Monthly outlook for Boulder Canyon, SD: average high 52.2°, average low 37.8°. That is 1.6° above the climate normal for October. Precipitation is expected on 2 days (about 0.4 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 8 November (60.3°), the coolest 3 November (27.8°).
52.2°/37.8°
Average high / low
+1.6°
Above normal
2 / 4
Wet days / normal
0.4 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
27 October – 5 November
50.2°
50.8°
-0.4°
6 November – 15 November
55.7°
46.6°
+5.1°
16 November – 25 November
at normal
42.9°
—
October records over 66 years
89.8°4 October 1963All-time high
-4.2°30 October 1991All-time low
Climate normals and records are computed from the nearest reference point — Whitewood (5 mi).
Wed, 2851° / 37°0
51 °
Boulder Canyon, Wednesday, 28 October
Clear. High 51°, low 37°.
Pressure29.97 inHg
Wind10.3 mph NW
Humidity43%
Visibility6.2 mi
Dew point25°
Thu, 2955° / 35°0
55 °
Boulder Canyon, Thursday, 29 October
Clear. High 55°, low 35°.
Pressure30.03 inHg
Wind4.5 mph NE
Humidity39%
Visibility6.2 mi
Dew point30°
Fri, 3051° / 40°0
51 °
Boulder Canyon, Friday, 30 October
Partly cloudy. High 51°, low 40°.
Pressure30.15 inHg
Wind13.8 mph E
Humidity52%
Visibility6.2 mi
Dew point35°
Sat, 3159° / 47°0
59 °
Boulder Canyon, Saturday, 31 October
Light rain. High 59°, low 47°.
Pressure29.91 inHg
Wind4.1 mph N
Humidity57%
Visibility—
Dew point45°
Sun, 0157° / 42°0
57 °
Boulder Canyon, Sunday, 1 November
Overcast. High 57°, low 42°.
Pressure29.83 inHg
Wind8.6 mph W
Humidity66%
Visibility—
Dew point43°
Mon, 0246° / 31°0.19
46 °
Boulder Canyon, Monday, 2 November
Snow. High 46°, low 31°.
Pressure29.97 inHg
Wind26.7 mph NW
Humidity65%
Visibility—
Dew point30°
Tue, 0337° / 28°0.23
37 °
Boulder Canyon, Tuesday, 3 November
Snow. High 37°, low 28°.
Pressure30.27 inHg
Wind22.6 mph NW
Humidity92%
Visibility—
Dew point28°
Wed, 0444° / 38°0
44 °
Boulder Canyon, Wednesday, 4 November
Overcast. High 44°, low 38°.
Pressure30.09 inHg
Wind4.3 mph W
Humidity87%
Visibility—
Dew point38°
Thu, 0544° / 39°0
44 °
Boulder Canyon, Thursday, 5 November
Overcast. High 44°, low 39°.
Pressure30.03 inHg
Wind4.1 mph N
Humidity81%
Visibility—
Dew point37°
Fri, 0654° / 35°0
54 °
Boulder Canyon, Friday, 6 November
Clear. High 54°, low 35°.
Pressure30.06 inHg
Wind8.8 mph E
Humidity50%
Visibility—
Dew point32°
Sat, 0758° / 40°0
58 °
Boulder Canyon, Saturday, 7 November
Clear. High 58°, low 40°.
Pressure29.91 inHg
Wind7.2 mph SW
Humidity27%
Visibility—
Dew point21°
Sun, 0860° / 45°0
60 °
Boulder Canyon, Sunday, 8 November
Overcast. High 60°, low 45°.
Pressure29.83 inHg
Wind6.4 mph SW
Humidity27%
Visibility—
Dew point24°
Mon, 0958° / 43°0
58 °
Boulder Canyon, Monday, 9 November
Overcast. High 58°, low 43°.
Pressure29.68 inHg
Wind11.9 mph W
Humidity30%
Visibility—
Dew point26°
Tue, 1056° / 38°0
56 °
Boulder Canyon, Tuesday, 10 November
Clear. High 56°, low 38°.
Pressure30.09 inHg
Wind8.7 mph W
Humidity42%
Visibility—
Dew point29°
Wed, 1148° / 39°0
48 °
Boulder Canyon, Wednesday, 11 November
Light rain. High 48°, low 39°.
Pressure30.18 inHg
Wind19.4 mph NW
Humidity41%
Visibility—
Dew point25°
From day 17 onward the outlook is built from 60-year climate statistics
Thu, 1246° / 27°0.02
46 °
Boulder Canyon, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high46°
Average low27°
Average precipitation0.02 in
Chance of precipitation17%
Record high75° (1999)
Record low-9° (1986)
Fri, 1347° / 29°0.05
47 °
Boulder Canyon, Friday, 13 November
Climate normal for this date — 60-year average.
Average high47°
Average low29°
Average precipitation0.05 in
Chance of precipitation27%
Record high70° (1999)
Record low-14° (1986)
Sat, 1447° / 30°0.04
47 °
Boulder Canyon, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high47°
Average low30°
Average precipitation0.04 in
Chance of precipitation25%
Record high74° (2025)
Record low-3° (2014)
Sun, 1546° / 28°0.03
46 °
Boulder Canyon, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high46°
Average low28°
Average precipitation0.03 in
Chance of precipitation15%
Record high67° (2021)
Record low2° (1978)
Mon, 1647° / 28°0.02
47 °
Boulder Canyon, Monday, 16 November
Climate normal for this date — 60-year average.
Average high47°
Average low28°
Average precipitation0.02 in
Chance of precipitation13%
Record high66° (1979)
Record low2° (2014)
Tue, 1745° / 28°0.04
45 °
Boulder Canyon, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high45°
Average low28°
Average precipitation0.04 in
Chance of precipitation25%
Record high65° (1999)
Record low1° (2000)
Wed, 1844° / 27°0.05
44 °
Boulder Canyon, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high44°
Average low27°
Average precipitation0.05 in
Chance of precipitation22%
Record high69° (2008)
Record low5° (1996)
Thu, 1942° / 27°0.04
42 °
Boulder Canyon, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high42°
Average low27°
Average precipitation0.04 in
Chance of precipitation23%
Record high65° (1989)
Record low1° (1985)
Fri, 2043° / 26°0.02
43 °
Boulder Canyon, Friday, 20 November
Climate normal for this date — 60-year average.
Average high43°
Average low26°
Average precipitation0.02 in
Chance of precipitation12%
Record high67° (1990)
Record low-11° (1985)
Sat, 2143° / 25°0.02
43 °
Boulder Canyon, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high43°
Average low25°
Average precipitation0.02 in
Chance of precipitation18%
Record high67° (2012)
Record low-13° (1977)
Sun, 2242° / 25°0.03
42 °
Boulder Canyon, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high42°
Average low25°
Average precipitation0.03 in
Chance of precipitation23%
Record high64° (2017)
Record low-6° (1985)
Mon, 2341° / 24°0.03
41 °
Boulder Canyon, Monday, 23 November
Climate normal for this date — 60-year average.
Average high41°
Average low24°
Average precipitation0.03 in
Chance of precipitation17%
Record high72° (2017)
Record low-12° (1985)
Tue, 2442° / 25°0.02
42 °
Boulder Canyon, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high42°
Average low25°
Average precipitation0.02 in
Chance of precipitation17%
Record high67° (1990)
Record low-6° (1993)
Wed, 2540° / 24°0.04
40 °
Boulder Canyon, Wednesday, 25 November
Climate normal for this date — 60-year average.
Average high40°
Average low24°
Average precipitation0.04 in
Chance of precipitation28%
Record high65° (1960)
Record low-4° (1993)
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 Boulder Canyon, SD 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 Boulder Canyon, SD 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.