As of 04:26 MDT

Weather in St. Onge, SD

73°Current weather

St. Onge, Saturday, 10 October, 04:26

Clear. Feels like 71°. High 88°, low 60°.

Pressure29.53 inHg
Wind34 mph S
Humidity22%
Visibility6.2 mi
Dew point33°

Monthly outlook for St. Onge, SD: average high 62°, average low 43.9°. That is 2.4° above the climate normal for October. Precipitation is expected on 5 days (about 0.7 inches), against a normal of 4 days and 1.0 inches. The warmest day looks like 10 October (88.3°), the coolest 17 October (22.6°).

62°/43.9°
Average high / low
+2.4°
Above normal
5 / 4
Wet days / normal
0.7 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
10 October – 19 October60.5°58.2°+1.2°
20 October – 29 October64.6°55.6°+5°
30 October – 8 Novemberat normal49.6°—

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).

Sun, 1163° / 49°0.13Rain
63 °Rain

St. Onge, Sunday, 11 October

Rain. High 63°, low 49°.

Pressure29.83 inHg
Wind4.9 mph NE
Humidity63%
Visibility6.2 mi
Dew point45°
Mon, 1258° / 45°0Overcast
58 °Overcast

St. Onge, Monday, 12 October

Overcast. High 58°, low 45°.

Pressure29.80 inHg
Wind4.7 mph E
Humidity75%
Visibility6.2 mi
Dew point47°
Tue, 1352° / 42°0Overcast
52 °Overcast

St. Onge, Tuesday, 13 October

Overcast. High 52°, low 42°.

Pressure30.06 inHg
Wind4.2 mph E
Humidity64%
Visibility6.2 mi
Dew point37°
Wed, 1459° / 48°0Overcast
59 °Overcast

St. Onge, Wednesday, 14 October

Overcast. High 59°, low 48°.

Pressure30.24 inHg
Wind13.6 mph E
Humidity53%
Visibility—
Dew point37°
Thu, 1563° / 45°0.08Light rain
63 °Light rain

St. Onge, Thursday, 15 October

Light rain. High 63°, low 45°.

Pressure30.27 inHg
Wind14.5 mph W
Humidity56%
Visibility—
Dew point42°
Fri, 1643° / 31°0.05Light snow
43 °Light snow

St. Onge, Friday, 16 October

Light snow. High 43°, low 31°.

Pressure30.50 inHg
Wind36.9 mph NW
Humidity65%
Visibility—
Dew point24°
Sat, 1748° / 23°0.02Light snow
48 °Light snow

St. Onge, Saturday, 17 October

Light snow. High 48°, low 23°.

Pressure30.56 inHg
Wind15.7 mph NW
Humidity39%
Visibility—
Dew point15°
Sun, 1865° / 37°0Mostly clear
65 °Mostly clear

St. Onge, Sunday, 18 October

Mostly clear. High 65°, low 37°.

Pressure29.91 inHg
Wind5.9 mph SW
Humidity27%
Visibility—
Dew point25°
Mon, 1967° / 51°0Clear
67 °Clear

St. Onge, Monday, 19 October

Clear. High 67°, low 51°.

Pressure29.94 inHg
Wind7.5 mph SW
Humidity21%
Visibility—
Dew point24°
Tue, 2074° / 51°0Overcast
74 °Overcast

St. Onge, Tuesday, 20 October

Overcast. High 74°, low 51°.

Pressure29.74 inHg
Wind12.9 mph SW
Humidity21%
Visibility—
Dew point27°
Wed, 2171° / 49°0.21Rain
71 °Rain

St. Onge, Wednesday, 21 October

Rain. High 71°, low 49°.

Pressure29.65 inHg
Wind16 mph SW
Humidity26%
Visibility—
Dew point34°
Thu, 2262° / 46°0.04Light rain
62 °Light rain

St. Onge, Thursday, 22 October

Light rain. High 62°, low 46°.

Pressure30.03 inHg
Wind13.7 mph SW
Humidity40%
Visibility—
Dew point31°
Fri, 2365° / 49°0.13Rain
65 °Rain

St. Onge, Friday, 23 October

Rain. High 65°, low 49°.

Pressure29.62 inHg
Wind21.7 mph W
Humidity30%
Visibility—
Dew point31°
Sat, 2448° / 40°0.02Snow
48 °Snow

St. Onge, Saturday, 24 October

Snow. High 48°, low 40°.

Pressure30.09 inHg
Wind23.8 mph NW
Humidity56%
Visibility—
Dew point30°
Sun, 2568° / 39°0Overcast
68 °Overcast

St. Onge, Sunday, 25 October

Overcast. High 68°, low 39°.

Pressure29.32 inHg
Wind18.7 mph W
Humidity33%
Visibility—
Dew point30°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 2656° / 36°0.06Climate normal
56 °Climate normal

St. Onge, Monday, 26 October

Climate normal for this date — 60-year average.

Average high56°
Average low36°
Average precipitation0.06 in
Chance of precipitation22%
Record high74° (1990)
Record low-4° (2020)
Tue, 2754° / 34°0.04Climate normal
54 °Climate normal

St. Onge, Tuesday, 27 October

Climate normal for this date — 60-year average.

Average high54°
Average low34°
Average precipitation0.04 in
Chance of precipitation27%
Record high76° (2016)
Record low16° (2023)
Wed, 2854° / 35°0.06Climate normal
54 °Climate normal

St. Onge, Wednesday, 28 October

Climate normal for this date — 60-year average.

Average high54°
Average low35°
Average precipitation0.06 in
Chance of precipitation22%
Record high76° (1985)
Record low10° (1991)
Thu, 2952° / 34°0.11Climate normal
52 °Climate normal

St. Onge, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high52°
Average low34°
Average precipitation0.11 in
Chance of precipitation37%
Record high77° (1968)
Record low1° (1991)
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)

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.