As of 23:55 MDT

Weather in St. Onge, SD

48°Current weather

St. Onge, Wednesday, 14 October, 23:55

Light rain. Feels like 44°. High 52°, low 41°.

Pressure30.15 inHg
Wind8 mph SW
Humidity92%
Visibility2.9 mi
Dew point45°

Monthly outlook for St. Onge, SD: average high 58.2°, average low 38.7°. That is 1.1° above the climate normal for October. Precipitation is expected on 4 days (about 0.4 inches), against a normal of 4 days and 0.9 inches. The warmest day looks like 21 October (73°), the coolest 25 October (30.5°).

58.2°/38.7°
Average high / low
+1.1°
Above normal
4 / 4
Wet days / normal
0.4 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
14 October – 23 October61.4°57.4°+2.2°
24 October – 2 November52.9°52.6°+0.2°
3 November – 12 Novemberat normal47.6°—

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 (7 mi).

Thu, 1550° / 38°0.04Light rain
50 °Light rain

St. Onge, Thursday, 15 October

Light rain. High 50°, low 38°.

Pressure30.45 inHg
Wind25.2 mph NW
Humidity46%
Visibility6.2 mi
Dew point24°
Fri, 1654° / 31°0Clear
54 °Clear

St. Onge, Friday, 16 October

Clear. High 54°, low 31°.

Pressure30.65 inHg
Wind4.4 mph E
Humidity47%
Visibility6.2 mi
Dew point24°
Sat, 1772° / 40°0Clear
72 °Clear

St. Onge, Saturday, 17 October

Clear. High 72°, low 40°.

Pressure30.03 inHg
Wind5 mph E
Humidity26%
Visibility6.2 mi
Dew point25°
Sun, 1865° / 44°0Clear
65 °Clear

St. Onge, Sunday, 18 October

Clear. High 65°, low 44°.

Pressure30.18 inHg
Wind5.3 mph E
Humidity38%
Visibility6.2 mi
Dew point36°
Mon, 1963° / 40°0Clear
63 °Clear

St. Onge, Monday, 19 October

Clear. High 63°, low 40°.

Pressure30.09 inHg
Wind12.8 mph E
Humidity54%
Visibility—
Dew point39°
Tue, 2071° / 41°0Clear
71 °Clear

St. Onge, Tuesday, 20 October

Clear. High 71°, low 41°.

Pressure29.88 inHg
Wind8.5 mph S
Humidity42%
Visibility—
Dew point39°
Wed, 2173° / 51°0Clear
73 °Clear

St. Onge, Wednesday, 21 October

Clear. High 73°, low 51°.

Pressure29.77 inHg
Wind9.5 mph E
Humidity33%
Visibility—
Dew point35°
Thu, 2267° / 46°0.04Light rain
67 °Light rain

St. Onge, Thursday, 22 October

Light rain. High 67°, low 46°.

Pressure29.50 inHg
Wind17.7 mph NW
Humidity44%
Visibility—
Dew point43°
Fri, 2347° / 37°0Overcast
47 °Overcast

St. Onge, Friday, 23 October

Overcast. High 47°, low 37°.

Pressure29.91 inHg
Wind19.8 mph NW
Humidity52%
Visibility—
Dew point30°
Sat, 2441° / 31°0.06Light snow
41 °Light snow

St. Onge, Saturday, 24 October

Light snow. High 41°, low 31°.

Pressure30.47 inHg
Wind16.8 mph NW
Humidity47%
Visibility—
Dew point20°
Sun, 2552° / 31°0.01Light rain
52 °Light rain

St. Onge, Sunday, 25 October

Light rain. High 52°, low 31°.

Pressure30.21 inHg
Wind24.8 mph NW
Humidity25%
Visibility—
Dew point14°
Mon, 2650° / 38°0.06Snow
50 °Snow

St. Onge, Monday, 26 October

Snow. High 50°, low 38°.

Pressure30.15 inHg
Wind20.6 mph NW
Humidity46%
Visibility—
Dew point28°
Tue, 2758° / 35°0Mostly clear
58 °Mostly clear

St. Onge, Tuesday, 27 October

Mostly clear. High 58°, low 35°.

Pressure29.97 inHg
Wind13.5 mph SW
Humidity31%
Visibility—
Dew point23°
Wed, 2853° / 42°0.01Light rain
53 °Light rain

St. Onge, Wednesday, 28 October

Light rain. High 53°, low 42°.

Pressure29.83 inHg
Wind22 mph NW
Humidity74%
Visibility—
Dew point41°
Thu, 2963° / 34°0Partly cloudy
63 °Partly cloudy

St. Onge, Thursday, 29 October

Partly cloudy. High 63°, low 34°.

Pressure29.88 inHg
Wind28.1 mph SW
Humidity36%
Visibility—
Dew point26°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 3050° / 33°0.04Climate normal
50 °Climate normal

St. Onge, Friday, 30 October

Climate normal for this date — 60-year average.

Average high50°
Average low33°
Average precipitation0.04 in
Chance of precipitation27%
Record high77° (1968)
Record low-4° (1991)
Sat, 3150° / 33°0.05Climate normal
50 °Climate normal

St. Onge, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high50°
Average low33°
Average precipitation0.05 in
Chance of precipitation23%
Record high74° (1999)
Record low-3° (1991)
Sun, 0150° / 32°0.08Climate normal
50 °Climate normal

St. Onge, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high50°
Average low32°
Average precipitation0.08 in
Chance of precipitation25%
Record high72° (1965)
Record low-5° (2002)
Mon, 0249° / 32°0.04Climate normal
49 °Climate normal

St. Onge, Monday, 2 November

Climate normal for this date — 60-year average.

Average high49°
Average low32°
Average precipitation0.04 in
Chance of precipitation25%
Record high75° (2008)
Record low-5° (1991)
Tue, 0349° / 32°0.04Climate normal
49 °Climate normal

St. Onge, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high49°
Average low32°
Average precipitation0.04 in
Chance of precipitation22%
Record high74° (2020)
Record low0° (1991)
Wed, 0451° / 31°0.02Climate normal
51 °Climate normal

St. Onge, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high51°
Average low31°
Average precipitation0.02 in
Chance of precipitation17%
Record high75° (1978)
Record low9° (2002)
Thu, 0550° / 31°0.04Climate normal
50 °Climate normal

St. Onge, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high50°
Average low31°
Average precipitation0.04 in
Chance of precipitation25%
Record high74° (2020)
Record low4° (2003)
Fri, 0649° / 30°0.06Climate normal
49 °Climate normal

St. Onge, Friday, 6 November

Climate normal for this date — 60-year average.

Average high49°
Average low30°
Average precipitation0.06 in
Chance of precipitation18%
Record high73° (2020)
Record low2° (2003)
Sat, 0750° / 31°0.04Climate normal
50 °Climate normal

St. Onge, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high50°
Average low31°
Average precipitation0.04 in
Chance of precipitation17%
Record high75° (1999)
Record low3° (1991)
Sun, 0848° / 30°0.06Climate normal
48 °Climate normal

St. Onge, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high48°
Average low30°
Average precipitation0.06 in
Chance of precipitation20%
Record high77° (1999)
Record low6° (2000)
Mon, 0944° / 28°0.07Climate normal
44 °Climate normal

St. Onge, Monday, 9 November

Climate normal for this date — 60-year average.

Average high44°
Average low28°
Average precipitation0.07 in
Chance of precipitation28%
Record high70° (2001)
Record low-4° (1966)
Tue, 1046° / 27°0.05Climate normal
46 °Climate normal

St. Onge, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high46°
Average low27°
Average precipitation0.05 in
Chance of precipitation23%
Record high69° (2007)
Record low-4° (1986)
Wed, 1144° / 26°0.02Climate normal
44 °Climate normal

St. Onge, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high44°
Average low26°
Average precipitation0.02 in
Chance of precipitation27%
Record high68° (2005)
Record low-3° (1986)
Thu, 1246° / 27°0.02Climate normal
46 °Climate normal

St. Onge, 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)

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 St. Onge, 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 St. Onge, 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.