As of 01:40 MDT

Weather in Marietta, SD

44°Current weather

Marietta, Wednesday, 28 October, 01:40

Overcast. Feels like 41°. High 60°, low 43°.

Pressure29.85 inHg
Wind4.5 mph N
Humidity73%
Visibility4.8 mi
Dew point36°

Monthly outlook for Marietta, SD: average high 53.7°, average low 37.9°. That is 1.5° above the climate normal for October. Precipitation is expected on 5 days (about 0.8 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 29 October (64.7°), the coolest 11 November (27.2°).

53.7°/37.9°
Average high / low
+1.5°
Above normal
5 / 3
Wet days / normal
0.8 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
28 October – 6 November55.1°52.8°+1.3°
7 November – 16 November51.5°48.2°+1.8°
17 November – 26 Novemberat normal44.1°—

October records over 66 years

91.2°4 October 1963All-time high
-6.7°31 October 1991All-time low

Climate normals and records are computed from the nearest reference point — Dudley (8 mi).

Thu, 2965° / 40°0Clear
65 °Clear

Marietta, Thursday, 29 October

Clear. High 65°, low 40°.

Pressure30.06 inHg
Wind3.8 mph NW
Humidity40%
Visibility6.2 mi
Dew point33°
Fri, 3057° / 46°0Overcast
57 °Overcast

Marietta, Friday, 30 October

Overcast. High 57°, low 46°.

Pressure30.06 inHg
Wind11.3 mph SE
Humidity66%
Visibility6.2 mi
Dew point44°
Sat, 3163° / 50°0.01Light rain
63 °Light rain

Marietta, Saturday, 31 October

Light rain. High 63°, low 50°.

Pressure29.97 inHg
Wind2.1 mph S
Humidity74%
Visibility6.2 mi
Dew point50°
Sun, 0165° / 47°0.18Rain
65 °Rain

Marietta, Sunday, 1 November

Rain. High 65°, low 47°.

Pressure29.80 inHg
Wind13.2 mph SE
Humidity70%
Visibility—
Dew point48°
Mon, 0246° / 37°0.07Light rain
46 °Light rain

Marietta, Monday, 2 November

Light rain. High 46°, low 37°.

Pressure30.06 inHg
Wind27.5 mph NW
Humidity63%
Visibility—
Dew point32°
Tue, 0352° / 32°0Clear
52 °Clear

Marietta, Tuesday, 3 November

Clear. High 52°, low 32°.

Pressure30.09 inHg
Wind17.9 mph NW
Humidity24%
Visibility—
Dew point10°
Wed, 0448° / 35°0.02Light rain
48 °Light rain

Marietta, Wednesday, 4 November

Light rain. High 48°, low 35°.

Pressure30.00 inHg
Wind17.3 mph NW
Humidity56%
Visibility—
Dew point31°
Thu, 0544° / 41°0.04Light rain
44 °Light rain

Marietta, Thursday, 5 November

Light rain. High 44°, low 41°.

Pressure30.09 inHg
Wind13.2 mph NW
Humidity86%
Visibility—
Dew point39°
Fri, 0652° / 41°0Overcast
52 °Overcast

Marietta, Friday, 6 November

Overcast. High 52°, low 41°.

Pressure30.12 inHg
Wind11.6 mph NW
Humidity57%
Visibility—
Dew point35°
Sat, 0750° / 39°0Overcast
50 °Overcast

Marietta, Saturday, 7 November

Overcast. High 50°, low 39°.

Pressure30.09 inHg
Wind12.5 mph E
Humidity68%
Visibility—
Dew point36°
Sun, 0864° / 37°0Overcast
64 °Overcast

Marietta, Sunday, 8 November

Overcast. High 64°, low 37°.

Pressure29.77 inHg
Wind8.5 mph SW
Humidity37%
Visibility—
Dew point27°
Mon, 0962° / 33°0.39Snow
62 °Snow

Marietta, Monday, 9 November

Snow. High 62°, low 33°.

Pressure29.50 inHg
Wind15.6 mph NW
Humidity35%
Visibility—
Dew point32°
Tue, 1038° / 27°0Overcast
38 °Overcast

Marietta, Tuesday, 10 November

Overcast. High 38°, low 27°.

Pressure30.36 inHg
Wind20.8 mph NW
Humidity63%
Visibility—
Dew point22°
Wed, 1147° / 27°0Clear
47 °Clear

Marietta, Wednesday, 11 November

Clear. High 47°, low 27°.

Pressure30.27 inHg
Wind12.2 mph W
Humidity49%
Visibility—
Dew point22°
Thu, 1248° / 33°0Partly cloudy
48 °Partly cloudy

Marietta, Thursday, 12 November

Partly cloudy. High 48°, low 33°.

Pressure30.06 inHg
Wind13.3 mph W
Humidity42%
Visibility—
Dew point24°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 1349° / 29°0.04Climate normal
49 °Climate normal

Marietta, Friday, 13 November

Climate normal for this date — 60-year average.

Average high49°
Average low29°
Average precipitation0.04 in
Chance of precipitation22%
Record high73° (1999)
Record low-14° (1986)
Sat, 1448° / 29°0.02Climate normal
48 °Climate normal

Marietta, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high48°
Average low29°
Average precipitation0.02 in
Chance of precipitation12%
Record high74° (2025)
Record low5° (2000)
Sun, 1547° / 27°0.02Climate normal
47 °Climate normal

Marietta, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high47°
Average low27°
Average precipitation0.02 in
Chance of precipitation13%
Record high68° (1999)
Record low1° (2014)
Mon, 1649° / 28°0.02Climate normal
49 °Climate normal

Marietta, Monday, 16 November

Climate normal for this date — 60-year average.

Average high49°
Average low28°
Average precipitation0.02 in
Chance of precipitation7%
Record high67° (1999)
Record low-2° (2014)
Tue, 1746° / 28°0.03Climate normal
46 °Climate normal

Marietta, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high46°
Average low28°
Average precipitation0.03 in
Chance of precipitation17%
Record high68° (1999)
Record low3° (2000)
Wed, 1847° / 28°0.02Climate normal
47 °Climate normal

Marietta, Wednesday, 18 November

Climate normal for this date — 60-year average.

Average high47°
Average low28°
Average precipitation0.02 in
Chance of precipitation15%
Record high71° (2008)
Record low6° (2022)
Thu, 1945° / 28°0.02Climate normal
45 °Climate normal

Marietta, Thursday, 19 November

Climate normal for this date — 60-year average.

Average high45°
Average low28°
Average precipitation0.02 in
Chance of precipitation8%
Record high74° (2007)
Record low0° (1985)
Fri, 2045° / 26°0.02Climate normal
45 °Climate normal

Marietta, Friday, 20 November

Climate normal for this date — 60-year average.

Average high45°
Average low26°
Average precipitation0.02 in
Chance of precipitation10%
Record high65° (2012)
Record low-8° (1985)
Sat, 2145° / 25°0.03Climate normal
45 °Climate normal

Marietta, Saturday, 21 November

Climate normal for this date — 60-year average.

Average high45°
Average low25°
Average precipitation0.03 in
Chance of precipitation12%
Record high69° (2012)
Record low-17° (1977)
Sun, 2245° / 25°0.03Climate normal
45 °Climate normal

Marietta, Sunday, 22 November

Climate normal for this date — 60-year average.

Average high45°
Average low25°
Average precipitation0.03 in
Chance of precipitation15%
Record high66° (2006)
Record low-10° (1985)
Mon, 2343° / 24°0.02Climate normal
43 °Climate normal

Marietta, Monday, 23 November

Climate normal for this date — 60-year average.

Average high43°
Average low24°
Average precipitation0.02 in
Chance of precipitation12%
Record high65° (2006)
Record low-13° (1985)
Tue, 2444° / 25°0.03Climate normal
44 °Climate normal

Marietta, Tuesday, 24 November

Climate normal for this date — 60-year average.

Average high44°
Average low25°
Average precipitation0.03 in
Chance of precipitation17%
Record high68° (1990)
Record low-4° (1993)
Wed, 2543° / 24°0.02Climate normal
43 °Climate normal

Marietta, Wednesday, 25 November

Climate normal for this date — 60-year average.

Average high43°
Average low24°
Average precipitation0.02 in
Chance of precipitation17%
Record high69° (1990)
Record low-10° (1993)
Thu, 2639° / 24°0.06Climate normal
39 °Climate normal

Marietta, Thursday, 26 November

Climate normal for this date — 60-year average.

Average high39°
Average low24°
Average precipitation0.06 in
Chance of precipitation27%
Record high65° (1960)
Record low0° (1985)

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 Marietta, 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 Marietta, 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.