Monthly outlook for Olsonville, SD: average high 64.4°, average low 45.4°. That is 2.5° above the climate normal for October. Precipitation is expected on 2 days (about 0.1 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 10 October (91.8°), the coolest 17 October (25.8°).
64.4°/45.4°
Average high / low
+2.5°
Above normal
2 / 3
Wet days / normal
0.1 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
10 October – 19 October
61.9°
60.8°
+0.6°
20 October – 29 October
68.6°
57.5°
+6.2°
30 October – 8 November
at normal
51°
—
October records over 66 years
91.6°4 October 1963All-time high
3.2°26 October 1997All-time low
Climate normals and records are computed from the nearest reference point — Sicangu Village (8 mi).
Sun, 1174° / 56°0
74 °
Olsonville, Sunday, 11 October
Overcast. High 74°, low 56°.
Pressure29.71 inHg
Wind14 mph NW
Humidity53%
Visibility6.2 mi
Dew point49°
Mon, 1263° / 49°0
63 °
Olsonville, Monday, 12 October
Overcast. High 63°, low 49°.
Pressure29.80 inHg
Wind7.3 mph N
Humidity76%
Visibility6.2 mi
Dew point48°
Tue, 1357° / 43°0
57 °
Olsonville, Tuesday, 13 October
Partly cloudy. High 57°, low 43°.
Pressure30.09 inHg
Wind7.7 mph N
Humidity59%
Visibility6.2 mi
Dew point38°
Wed, 1459° / 44°0
59 °
Olsonville, Wednesday, 14 October
Clear. High 59°, low 44°.
Pressure30.27 inHg
Wind9.5 mph NE
Humidity49%
Visibility—
Dew point35°
Thu, 1556° / 50°0.04
56 °
Olsonville, Thursday, 15 October
Light rain. High 56°, low 50°.
Pressure30.33 inHg
Wind14.3 mph NW
Humidity61%
Visibility—
Dew point42°
Fri, 1647° / 35°0
47 °
Olsonville, Friday, 16 October
Overcast. High 47°, low 35°.
Pressure30.27 inHg
Wind35.3 mph NW
Humidity51%
Visibility—
Dew point24°
Sat, 1740° / 26°0
40 °
Olsonville, Saturday, 17 October
Overcast. High 40°, low 26°.
Pressure30.68 inHg
Wind22.6 mph NW
Humidity38%
Visibility—
Dew point12°
Sun, 1862° / 32°0
62 °
Olsonville, Sunday, 18 October
Mostly clear. High 62°, low 32°.
Pressure30.09 inHg
Wind25.1 mph S
Humidity29%
Visibility—
Dew point19°
Mon, 1970° / 47°0
70 °
Olsonville, Monday, 19 October
Partly cloudy. High 70°, low 47°.
Pressure29.94 inHg
Wind11.3 mph S
Humidity19%
Visibility—
Dew point21°
Tue, 2080° / 49°0
80 °
Olsonville, Tuesday, 20 October
Mostly clear. High 80°, low 49°.
Pressure29.85 inHg
Wind14.3 mph S
Humidity22%
Visibility—
Dew point28°
Wed, 2181° / 56°0
81 °
Olsonville, Wednesday, 21 October
Clear. High 81°, low 56°.
Pressure29.68 inHg
Wind17.2 mph S
Humidity22%
Visibility—
Dew point32°
Thu, 2260° / 50°0.07
60 °
Olsonville, Thursday, 22 October
Light rain. High 60°, low 50°.
Pressure30.00 inHg
Wind17.9 mph NW
Humidity36%
Visibility—
Dew point30°
Fri, 2371° / 50°0
71 °
Olsonville, Friday, 23 October
Overcast. High 71°, low 50°.
Pressure29.71 inHg
Wind16.4 mph NW
Humidity19%
Visibility—
Dew point22°
Sat, 2451° / 42°0
51 °
Olsonville, Saturday, 24 October
Overcast. High 51°, low 42°.
Pressure30.00 inHg
Wind27.4 mph NW
Humidity48%
Visibility—
Dew point29°
Sun, 2569° / 39°0
69 °
Olsonville, Sunday, 25 October
Overcast. High 69°, low 39°.
Pressure29.50 inHg
Wind17.4 mph S
Humidity30%
Visibility—
Dew point25°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2658° / 38°0.02
58 °
Olsonville, Monday, 26 October
Climate normal for this date — 60-year average.
Average high58°
Average low38°
Average precipitation0.02 in
Chance of precipitation12%
Record high80° (2014)
Record low3° (1997)
Tue, 2756° / 37°0.03
56 °
Olsonville, Tuesday, 27 October
Climate normal for this date — 60-year average.
Average high56°
Average low37°
Average precipitation0.03 in
Chance of precipitation12%
Record high78° (2016)
Record low8° (2020)
Wed, 2855° / 36°0.07
55 °
Olsonville, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high55°
Average low36°
Average precipitation0.07 in
Chance of precipitation15%
Record high78° (2016)
Record low17° (1991)
Thu, 2955° / 36°0.07
55 °
Olsonville, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high55°
Average low36°
Average precipitation0.07 in
Chance of precipitation27%
Record high78° (1968)
Record low11° (1991)
Fri, 3052° / 35°0.06
52 °
Olsonville, Friday, 30 October
Climate normal for this date — 60-year average.
Average high52°
Average low35°
Average precipitation0.06 in
Chance of precipitation25%
Record high81° (1968)
Record low9° (1991)
Sat, 3152° / 34°0.05
52 °
Olsonville, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high52°
Average low34°
Average precipitation0.05 in
Chance of precipitation15%
Record high79° (1990)
Record low6° (1991)
Sun, 0151° / 34°0.04
51 °
Olsonville, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high51°
Average low34°
Average precipitation0.04 in
Chance of precipitation17%
Record high75° (1990)
Record low2° (2002)
Mon, 0251° / 33°0.05
51 °
Olsonville, Monday, 2 November
Climate normal for this date — 60-year average.
Average high51°
Average low33°
Average precipitation0.05 in
Chance of precipitation22%
Record high77° (2005)
Record low4° (1991)
Tue, 0350° / 33°0.05
50 °
Olsonville, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high50°
Average low33°
Average precipitation0.05 in
Chance of precipitation18%
Record high73° (2020)
Record low0° (1995)
Wed, 0451° / 32°0.02
51 °
Olsonville, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high51°
Average low32°
Average precipitation0.02 in
Chance of precipitation12%
Record high76° (2025)
Record low7° (1995)
Thu, 0551° / 33°0.03
51 °
Olsonville, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high51°
Average low33°
Average precipitation0.03 in
Chance of precipitation10%
Record high77° (2001)
Record low10° (2003)
Fri, 0651° / 32°0.04
51 °
Olsonville, Friday, 6 November
Climate normal for this date — 60-year average.
Average high51°
Average low32°
Average precipitation0.04 in
Chance of precipitation12%
Record high77° (2020)
Record low4° (2003)
Sat, 0751° / 32°0.04
51 °
Olsonville, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high51°
Average low32°
Average precipitation0.04 in
Chance of precipitation12%
Record high79° (1999)
Record low-3° (1991)
Sun, 0850° / 33°0.05
50 °
Olsonville, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high50°
Average low33°
Average precipitation0.05 in
Chance of precipitation15%
Record high79° (1999)
Record low11° (1991)
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 Olsonville, 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 Olsonville, 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.