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As of 23:15 CDT

Weather in Marcus, IA

49°Current weather

Marcus, Wednesday, 7 October, 23:15

Overcast. Feels like 47°. High 77°, low 49°.

Pressure30.03 inHg
Wind4.7 mph NW
Humidity70%
Visibility6.2 mi
Dew point40°
Thu, 0876° / 49°0.06Rain
76 °Rain

Marcus, Thursday, 8 October

Rain. High 76°, low 49°.

Pressure30.12 inHg
Wind7.3 mph SE
Humidity40%
Visibility6.2 mi
Dew point43°
Fri, 0979° / 57°0.03Light rain
79 °Light rain

Marcus, Friday, 9 October

Light rain. High 79°, low 57°.

Pressure29.88 inHg
Wind9.2 mph S
Humidity66%
Visibility6.2 mi
Dew point60°
Sat, 1082° / 65°0Clear
82 °Clear

Marcus, Saturday, 10 October

Clear. High 82°, low 65°.

Pressure29.83 inHg
Wind19.8 mph S
Humidity51%
Visibility6.2 mi
Dew point57°
Sun, 1181° / 65°0Overcast
81 °Overcast

Marcus, Sunday, 11 October

Overcast. High 81°, low 65°.

Pressure29.80 inHg
Wind15.4 mph S
Humidity50%
Visibility6.2 mi
Dew point55°
Mon, 1265° / 50°0Overcast
65 °Overcast

Marcus, Monday, 12 October

Overcast. High 65°, low 50°.

Pressure29.80 inHg
Wind14 mph NW
Humidity61%
Visibility—
Dew point50°
Tue, 1357° / 43°0Clear
57 °Clear

Marcus, Tuesday, 13 October

Clear. High 57°, low 43°.

Pressure30.21 inHg
Wind14.4 mph N
Humidity48%
Visibility—
Dew point32°
Wed, 1474° / 47°0.32Light rain
74 °Light rain

Marcus, Wednesday, 14 October

Light rain. High 74°, low 47°.

Pressure29.77 inHg
Wind23.3 mph S
Humidity85%
Visibility—
Dew point51°
Thu, 1571° / 58°0.4Rain
71 °Rain

Marcus, Thursday, 15 October

Rain. High 71°, low 58°.

Pressure29.56 inHg
Wind15.5 mph N
Humidity79%
Visibility—
Dew point63°
Fri, 1651° / 38°0.19Light rain
51 °Light rain

Marcus, Friday, 16 October

Light rain. High 51°, low 38°.

Pressure30.12 inHg
Wind16.6 mph NW
Humidity95%
Visibility—
Dew point38°
Sat, 1742° / 38°0.03Light rain
42 °Light rain

Marcus, Saturday, 17 October

Light rain. High 42°, low 38°.

Pressure30.24 inHg
Wind14.7 mph NW
Humidity76%
Visibility—
Dew point34°
Sun, 1856° / 35°0Clear
56 °Clear

Marcus, Sunday, 18 October

Clear. High 56°, low 35°.

Pressure30.24 inHg
Wind11 mph S
Humidity48%
Visibility—
Dew point32°
Mon, 1967° / 43°0Clear
67 °Clear

Marcus, Monday, 19 October

Clear. High 67°, low 43°.

Pressure30.09 inHg
Wind10.8 mph SW
Humidity35%
Visibility—
Dew point33°
Tue, 2054° / 42°0Overcast
54 °Overcast

Marcus, Tuesday, 20 October

Overcast. High 54°, low 42°.

Pressure30.33 inHg
Wind11.9 mph N
Humidity50%
Visibility—
Dew point33°
Wed, 2158° / 37°0Clear
58 °Clear

Marcus, Wednesday, 21 October

Clear. High 58°, low 37°.

Pressure30.09 inHg
Wind20 mph S
Humidity47%
Visibility—
Dew point33°
Thu, 2258° / 50°0Overcast
58 °Overcast

Marcus, Thursday, 22 October

Overcast. High 58°, low 50°.

Pressure29.53 inHg
Wind22.4 mph S
Humidity54%
Visibility—
Dew point41°

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 Marcus, IA 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 Marcus, IA 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.