Monthly outlook for Brentford, SD: average high 57.2°, average low 44.8°. That is 5° above the climate normal for October. Precipitation is expected on 3 days (about 0.7 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 1 November (65.5°), the coolest 29 October (33.9°).
57.2°/44.8°
Average high / low
+5°
Above normal
3 / 3
Wet days / normal
0.7 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
27 October – 5 November
56.9°
50.3°
+3.7°
6 November – 15 November
57.5°
43.8°
+7.7°
16 November – 25 November
at normal
38.7°
—
October records over 66 years
91.2°5 October 1963All-time high
3.6°26 October 2020All-time low
Climate normals and records are computed from the nearest reference point — Mellette (9 mi).
Wed, 2860° / 43°0
60 °
Brentford, Wednesday, 28 October
Overcast. High 60°, low 43°.
Pressure29.85 inHg
Wind11.5 mph SW
Humidity77%
Visibility6.2 mi
Dew point51°
Thu, 2959° / 34°0
59 °
Brentford, Thursday, 29 October
Partly cloudy. High 59°, low 34°.
Pressure30.21 inHg
Wind3.2 mph SE
Humidity59%
Visibility6.2 mi
Dew point38°
Fri, 3058° / 39°0
58 °
Brentford, Friday, 30 October
Mostly clear. High 58°, low 39°.
Pressure30.27 inHg
Wind7.5 mph NE
Humidity68%
Visibility6.2 mi
Dew point41°
Sat, 3160° / 43°0
60 °
Brentford, Saturday, 31 October
Overcast. High 60°, low 43°.
Pressure30.15 inHg
Wind8.3 mph SE
Humidity83%
Visibility6.2 mi
Dew point48°
Sun, 0166° / 51°0
66 °
Brentford, Sunday, 1 November
Overcast. High 66°, low 51°.
Pressure30.00 inHg
Wind13.9 mph S
Humidity60%
Visibility—
Dew point48°
Mon, 0259° / 53°0.11
59 °
Brentford, Monday, 2 November
Light rain. High 59°, low 53°.
Pressure29.80 inHg
Wind9.7 mph SE
Humidity71%
Visibility—
Dew point49°
Tue, 0353° / 51°0.04
53 °
Brentford, Tuesday, 3 November
Light rain. High 53°, low 51°.
Pressure29.94 inHg
Wind16.3 mph N
Humidity92%
Visibility—
Dew point50°
Wed, 0452° / 50°0.41
52 °
Brentford, Wednesday, 4 November
Light rain. High 52°, low 50°.
Pressure29.97 inHg
Wind16.2 mph N
Humidity91%
Visibility—
Dew point48°
Thu, 0552° / 50°0.1
52 °
Brentford, Thursday, 5 November
Light rain. High 52°, low 50°.
Pressure29.91 inHg
Wind14.2 mph N
Humidity87%
Visibility—
Dew point47°
Fri, 0656° / 44°0
56 °
Brentford, Friday, 6 November
Clear. High 56°, low 44°.
Pressure30.15 inHg
Wind9.6 mph N
Humidity65%
Visibility—
Dew point41°
Sat, 0757° / 41°0
57 °
Brentford, Saturday, 7 November
Partly cloudy. High 57°, low 41°.
Pressure30.15 inHg
Wind14.2 mph S
Humidity61%
Visibility—
Dew point39°
Sun, 0860° / 45°0
60 °
Brentford, Sunday, 8 November
Clear. High 60°, low 45°.
Pressure30.06 inHg
Wind20.1 mph S
Humidity63%
Visibility—
Dew point43°
Mon, 0956° / 47°0
56 °
Brentford, Monday, 9 November
Overcast. High 56°, low 47°.
Pressure30.03 inHg
Wind18.8 mph S
Humidity64%
Visibility—
Dew point42°
Tue, 1058° / 42°0
58 °
Brentford, Tuesday, 10 November
Overcast. High 58°, low 42°.
Pressure30.21 inHg
Wind15.6 mph S
Humidity58%
Visibility—
Dew point37°
Wed, 1158° / 46°0
58 °
Brentford, Wednesday, 11 November
Partly cloudy. High 58°, low 46°.
Pressure30.03 inHg
Wind15.9 mph NW
Humidity30%
Visibility—
Dew point24°
From day 17 onward the outlook is built from 60-year climate statistics
Thu, 1241° / 26°0.05
41 °
Brentford, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high41°
Average low26°
Average precipitation0.05 in
Chance of precipitation18%
Record high65° (1999)
Record low-2° (1966)
Fri, 1344° / 27°0.03
44 °
Brentford, Friday, 13 November
Climate normal for this date — 60-year average.
Average high44°
Average low27°
Average precipitation0.03 in
Chance of precipitation22%
Record high69° (1999)
Record low2° (1986)
Sat, 1442° / 28°0.02
42 °
Brentford, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high42°
Average low28°
Average precipitation0.02 in
Chance of precipitation12%
Record high65° (2025)
Record low-4° (2014)
Sun, 1542° / 26°0.02
42 °
Brentford, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high42°
Average low26°
Average precipitation0.02 in
Chance of precipitation17%
Record high61° (2015)
Record low2° (1997)
Mon, 1643° / 27°0.04
43 °
Brentford, Monday, 16 November
Climate normal for this date — 60-year average.
Average high43°
Average low27°
Average precipitation0.04 in
Chance of precipitation12%
Record high67° (2001)
Record low-2° (2014)
Tue, 1741° / 27°0.02
41 °
Brentford, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high41°
Average low27°
Average precipitation0.02 in
Chance of precipitation17%
Record high66° (2001)
Record low3° (1997)
Wed, 1840° / 25°0.05
40 °
Brentford, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high40°
Average low25°
Average precipitation0.05 in
Chance of precipitation23%
Record high58° (2001)
Record low3° (1996)
Thu, 1940° / 26°0.05
40 °
Brentford, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high40°
Average low26°
Average precipitation0.05 in
Chance of precipitation28%
Record high60° (1989)
Record low6° (1985)
Fri, 2038° / 24°0.03
38 °
Brentford, Friday, 20 November
Climate normal for this date — 60-year average.
Average high38°
Average low24°
Average precipitation0.03 in
Chance of precipitation13%
Record high62° (1962)
Record low-1° (2014)
Sat, 2138° / 22°0.02
38 °
Brentford, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high38°
Average low22°
Average precipitation0.02 in
Chance of precipitation10%
Record high61° (1960)
Record low-10° (1985)
Sun, 2238° / 22°0.02
38 °
Brentford, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high38°
Average low22°
Average precipitation0.02 in
Chance of precipitation22%
Record high58° (2006)
Record low-3° (1977)
Mon, 2336° / 22°0.02
36 °
Brentford, Monday, 23 November
Climate normal for this date — 60-year average.
Average high36°
Average low22°
Average precipitation0.02 in
Chance of precipitation13%
Record high55° (2025)
Record low-8° (1985)
Tue, 2437° / 22°0.02
37 °
Brentford, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high37°
Average low22°
Average precipitation0.02 in
Chance of precipitation10%
Record high60° (1990)
Record low-16° (1985)
Wed, 2536° / 22°0.04
36 °
Brentford, Wednesday, 25 November
Climate normal for this date — 60-year average.
Average high36°
Average low22°
Average precipitation0.04 in
Chance of precipitation17%
Record high58° (1960)
Record low-10° (1977)
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 Brentford, 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 Brentford, 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.