Monthly outlook for Box Elder, SD: average high 64.2°, average low 44.5°. That is 1.6° above the climate normal for October. Precipitation is expected on 3 days (about 1.8 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 9 October (91.1°), the coolest 18 October (34°).
64.2°/44.5°
Average high / low
+1.6°
Above normal
3 / 3
Wet days / normal
1.8 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
7 October – 16 October
67°
61.9°
+2.9°
17 October – 26 October
59.5°
59.4°
+0.1°
27 October – 5 November
at normal
53.2°
—
October records over 66 years
92.5°3 October 2025All-time high
-5.4°26 October 2020All-time low
Climate normals and records are computed from the nearest reference point — Green Valley (5 mi).
Thu, 0876° / 47°0
76 °
Box Elder, Thursday, 8 October
Partly cloudy. High 76°, low 47°.
Pressure29.97 inHg
Wind5.6 mph SE
Humidity40%
Visibility6.2 mi
Dew point43°
Fri, 0991° / 48°0
91 °
Box Elder, Friday, 9 October
Clear. High 91°, low 48°.
Pressure29.56 inHg
Wind15.1 mph SW
Humidity12%
Visibility6.2 mi
Dew point28°
Sat, 1090° / 69°0
90 °
Box Elder, Saturday, 10 October
Overcast. High 90°, low 69°.
Pressure29.44 inHg
Wind14.2 mph SW
Humidity12%
Visibility6.2 mi
Dew point29°
Sun, 1161° / 44°0.1
61 °
Box Elder, Sunday, 11 October
Light rain. High 61°, low 44°.
Pressure30.00 inHg
Wind14.5 mph N
Humidity83%
Visibility6.2 mi
Dew point42°
Mon, 1242° / 38°0.22
42 °
Box Elder, Monday, 12 October
Light rain. High 42°, low 38°.
Pressure30.24 inHg
Wind11.7 mph N
Humidity85%
Visibility—
Dew point35°
Tue, 1364° / 38°0
64 °
Box Elder, Tuesday, 13 October
Overcast. High 64°, low 38°.
Pressure30.06 inHg
Wind21.9 mph S
Humidity54%
Visibility—
Dew point35°
Wed, 1469° / 58°0
69 °
Box Elder, Wednesday, 14 October
Overcast. High 69°, low 58°.
Pressure29.50 inHg
Wind20.9 mph S
Humidity76%
Visibility—
Dew point53°
Thu, 1557° / 35°1.48
57 °
Box Elder, Thursday, 15 October
Snow. High 57°, low 35°.
Pressure29.85 inHg
Wind34 mph NW
Humidity92%
Visibility—
Dew point36°
Fri, 1640° / 35°0.02
40 °
Box Elder, Friday, 16 October
Snow. High 40°, low 35°.
Pressure30.24 inHg
Wind30.3 mph NW
Humidity70%
Visibility—
Dew point30°
Sat, 1744° / 35°0
44 °
Box Elder, Saturday, 17 October
Overcast. High 44°, low 35°.
Pressure30.27 inHg
Wind15 mph NW
Humidity62%
Visibility—
Dew point30°
Sun, 1854° / 34°0
54 °
Box Elder, Sunday, 18 October
Clear. High 54°, low 34°.
Pressure30.15 inHg
Wind5.9 mph SE
Humidity47%
Visibility—
Dew point28°
Mon, 1968° / 41°0
68 °
Box Elder, Monday, 19 October
Clear. High 68°, low 41°.
Pressure29.94 inHg
Wind6.7 mph SE
Humidity37%
Visibility—
Dew point33°
Tue, 2067° / 48°0
67 °
Box Elder, Tuesday, 20 October
Clear. High 67°, low 48°.
Pressure30.03 inHg
Wind12.9 mph N
Humidity35%
Visibility—
Dew point33°
Wed, 2161° / 45°0
61 °
Box Elder, Wednesday, 21 October
Partly cloudy. High 61°, low 45°.
Pressure30.18 inHg
Wind8.1 mph NW
Humidity41%
Visibility—
Dew point32°
Thu, 2263° / 47°0
63 °
Box Elder, Thursday, 22 October
Overcast. High 63°, low 47°.
Pressure30.12 inHg
Wind13.2 mph SE
Humidity46%
Visibility—
Dew point38°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 2357° / 37°0.04
57 °
Box Elder, Friday, 23 October
Climate normal for this date — 60-year average.
Average high57°
Average low37°
Average precipitation0.04 in
Chance of precipitation22%
Record high82° (1973)
Record low16° (1981)
Sat, 2458° / 37°0.04
58 °
Box Elder, Saturday, 24 October
Climate normal for this date — 60-year average.
Average high58°
Average low37°
Average precipitation0.04 in
Chance of precipitation13%
Record high79° (1978)
Record low10° (2002)
Sun, 2558° / 37°0.01
58 °
Box Elder, Sunday, 25 October
Climate normal for this date — 60-year average.
Average high58°
Average low37°
Average precipitation0.01 in
Chance of precipitation5%
Record high76° (1989)
Record low7° (2020)
Mon, 2658° / 37°0.05
58 °
Box Elder, Monday, 26 October
Climate normal for this date — 60-year average.
Average high58°
Average low37°
Average precipitation0.05 in
Chance of precipitation13%
Record high77° (1990)
Record low-5° (2020)
Tue, 2756° / 35°0.02
56 °
Box Elder, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high56°
Average low35°
Average precipitation0.02 in
Chance of precipitation22%
Record high80° (2016)
Record low7° (2020)
Wed, 2856° / 36°0.07
56 °
Box Elder, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high56°
Average low36°
Average precipitation0.07 in
Chance of precipitation17%
Record high78° (2016)
Record low13° (1991)
Thu, 2954° / 35°0.07
54 °
Box Elder, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high54°
Average low35°
Average precipitation0.07 in
Chance of precipitation35%
Record high77° (1968)
Record low10° (1991)
Fri, 3053° / 34°0.03
53 °
Box Elder, Friday, 30 October
Climate normal for this date — 60-year average.
Average high53°
Average low34°
Average precipitation0.03 in
Chance of precipitation22%
Record high78° (1968)
Record low3° (1991)
Sat, 3153° / 34°0.03
53 °
Box Elder, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high53°
Average low34°
Average precipitation0.03 in
Chance of precipitation13%
Record high76° (1990)
Record low2° (1991)
Sun, 0152° / 33°0.05
52 °
Box Elder, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high52°
Average low33°
Average precipitation0.05 in
Chance of precipitation17%
Record high72° (1965)
Record low-1° (2002)
Mon, 0252° / 33°0.03
52 °
Box Elder, Monday, 2 November
Climate normal for this date — 60-year average.
Average high52°
Average low33°
Average precipitation0.03 in
Chance of precipitation17%
Record high76° (1965)
Record low2° (1991)
Tue, 0351° / 33°0.04
51 °
Box Elder, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high51°
Average low33°
Average precipitation0.04 in
Chance of precipitation20%
Record high73° (2020)
Record low2° (1991)
Wed, 0454° / 32°0.01
54 °
Box Elder, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high54°
Average low32°
Average precipitation0.01 in
Chance of precipitation8%
Record high78° (1978)
Record low8° (1995)
Thu, 0552° / 33°0.03
52 °
Box Elder, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high52°
Average low33°
Average precipitation0.03 in
Chance of precipitation13%
Record high78° (2020)
Record low3° (1973)
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 Box Elder, 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 Box Elder, 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.