Monthly outlook for Selby, SD: average high 58.8°, average low 42.3°. That is 2.2° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 20 October (78.8°), the coolest 23 October (31.3°).
58.8°/42.3°
Average high / low
+2.2°
Above normal
2 / 3
Wet days / normal
0.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
12 October – 21 October
62.7°
55.9°
+3.8°
22 October – 31 October
52.2°
51.5°
+0.4°
1 November – 10 November
at normal
45°
—
October records over 66 years
89.1°4 October 1963All-time high
4.1°26 October 2020All-time low
Climate normals and records are computed from the nearest reference point — Java (7 mi).
Tue, 1353° / 45°0.09
53 °
Selby, Tuesday, 13 October
Rain. High 53°, low 45°.
Pressure30.09 inHg
Wind6.6 mph NW
Humidity73%
Visibility6.2 mi
Dew point39°
Wed, 1457° / 38°0
57 °
Selby, Wednesday, 14 October
Clear. High 57°, low 38°.
Pressure30.27 inHg
Wind0.6 mph N
Humidity58%
Visibility6.2 mi
Dew point37°
Thu, 1554° / 46°0
54 °
Selby, Thursday, 15 October
Partly cloudy. High 54°, low 46°.
Pressure30.30 inHg
Wind16.8 mph NW
Humidity54%
Visibility6.2 mi
Dew point37°
Fri, 1654° / 35°0
54 °
Selby, Friday, 16 October
Clear. High 54°, low 35°.
Pressure30.71 inHg
Wind15.1 mph S
Humidity49%
Visibility—
Dew point30°
Sat, 1767° / 43°0
67 °
Selby, Saturday, 17 October
Clear. High 67°, low 43°.
Pressure29.97 inHg
Wind16.9 mph S
Humidity34%
Visibility—
Dew point29°
Sun, 1879° / 55°0
79 °
Selby, Sunday, 18 October
Overcast. High 79°, low 55°.
Pressure29.88 inHg
Wind8.4 mph SW
Humidity23%
Visibility—
Dew point32°
Mon, 1971° / 52°0
71 °
Selby, Monday, 19 October
Clear. High 71°, low 52°.
Pressure29.97 inHg
Wind14.8 mph E
Humidity32%
Visibility—
Dew point35°
Tue, 2079° / 53°0
79 °
Selby, Tuesday, 20 October
Overcast. High 79°, low 53°.
Pressure29.53 inHg
Wind21.7 mph SW
Humidity36%
Visibility—
Dew point42°
Wed, 2158° / 48°0
58 °
Selby, Wednesday, 21 October
Overcast. High 58°, low 48°.
Pressure29.83 inHg
Wind17.8 mph NW
Humidity45%
Visibility—
Dew point33°
Thu, 2254° / 42°0
54 °
Selby, Thursday, 22 October
Partly cloudy. High 54°, low 42°.
Pressure29.94 inHg
Wind23.5 mph NW
Humidity36%
Visibility—
Dew point23°
Fri, 2350° / 31°0
50 °
Selby, Friday, 23 October
Clear. High 50°, low 31°.
Pressure30.24 inHg
Wind14.2 mph NW
Humidity38%
Visibility—
Dew point19°
Sat, 2460° / 39°0
60 °
Selby, Saturday, 24 October
Overcast. High 60°, low 39°.
Pressure29.65 inHg
Wind17.7 mph SE
Humidity39%
Visibility—
Dew point29°
Sun, 2549° / 37°0
49 °
Selby, Sunday, 25 October
Partly cloudy. High 49°, low 37°.
Pressure29.97 inHg
Wind16.2 mph NW
Humidity48%
Visibility—
Dew point28°
Mon, 2650° / 31°0
50 °
Selby, Monday, 26 October
Partly cloudy. High 50°, low 31°.
Pressure30.18 inHg
Wind6.2 mph NW
Humidity46%
Visibility—
Dew point24°
Tue, 2752° / 36°0
52 °
Selby, Tuesday, 27 October
Overcast. High 52°, low 36°.
Pressure30.03 inHg
Wind7.5 mph NW
Humidity39%
Visibility—
Dew point26°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 2850° / 34°0.05
50 °
Selby, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high50°
Average low34°
Average precipitation0.05 in
Chance of precipitation15%
Record high70° (2016)
Record low17° (2023)
Thu, 2950° / 34°0.11
50 °
Selby, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high50°
Average low34°
Average precipitation0.11 in
Chance of precipitation32%
Record high67° (1978)
Record low11° (1991)
Fri, 3049° / 33°0.04
49 °
Selby, Friday, 30 October
Climate normal for this date — 60-year average.
Average high49°
Average low33°
Average precipitation0.04 in
Chance of precipitation15%
Record high69° (1965)
Record low7° (1991)
Sat, 3149° / 33°0.04
49 °
Selby, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high49°
Average low33°
Average precipitation0.04 in
Chance of precipitation18%
Record high73° (1990)
Record low12° (1991)
Sun, 0147° / 33°0.04
47 °
Selby, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high47°
Average low33°
Average precipitation0.04 in
Chance of precipitation20%
Record high69° (2022)
Record low12° (1984)
Mon, 0247° / 32°0.02
47 °
Selby, Monday, 2 November
Climate normal for this date — 60-year average.
Average high47°
Average low32°
Average precipitation0.02 in
Chance of precipitation12%
Record high72° (2022)
Record low7° (1991)
Tue, 0346° / 32°0.02
46 °
Selby, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high46°
Average low32°
Average precipitation0.02 in
Chance of precipitation12%
Record high67° (1978)
Record low2° (1991)
Wed, 0447° / 31°0.01
47 °
Selby, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high47°
Average low31°
Average precipitation0.01 in
Chance of precipitation5%
Record high71° (1978)
Record low4° (1991)
Thu, 0546° / 31°0.04
46 °
Selby, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high46°
Average low31°
Average precipitation0.04 in
Chance of precipitation18%
Record high70° (2016)
Record low6° (2003)
Fri, 0646° / 30°0.02
46 °
Selby, Friday, 6 November
Climate normal for this date — 60-year average.
Average high46°
Average low30°
Average precipitation0.02 in
Chance of precipitation10%
Record high69° (2016)
Record low1° (1991)
Sat, 0746° / 30°0.05
46 °
Selby, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high46°
Average low30°
Average precipitation0.05 in
Chance of precipitation13%
Record high68° (2006)
Record low-2° (1991)
Sun, 0845° / 30°0.05
45 °
Selby, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high45°
Average low30°
Average precipitation0.05 in
Chance of precipitation18%
Record high69° (1978)
Record low3° (2003)
Mon, 0941° / 28°0.04
41 °
Selby, Monday, 9 November
Climate normal for this date — 60-year average.
Average high41°
Average low28°
Average precipitation0.04 in
Chance of precipitation17%
Record high63° (2016)
Record low9° (1986)
Tue, 1040° / 25°0.06
40 °
Selby, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high40°
Average low25°
Average precipitation0.06 in
Chance of precipitation23%
Record high63° (1989)
Record low-1° (1986)
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 Selby, 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 Selby, 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.