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As of 19:23 CDT

Weather in Marcelline, IL

82°Current weather

Marcelline, Saturday, 8 August, 19:23

Clear. Feels like 88°. High 87°, low 69°.

Pressure30.00 inHg
Wind8 mph E
Humidity75%
Visibility6.2 mi
Dew point74°
Sun, 0997° / 72°0Overcast
97 °Overcast

Marcelline, Sunday, 9 August

Overcast. High 97°, low 72°.

Pressure29.88 inHg
Wind10.6 mph SW
Humidity45%
Visibility6.2 mi
Dew point69°
Mon, 1099° / 74°0Partly cloudy
99 °Partly cloudy

Marcelline, Monday, 10 August

Partly cloudy. High 99°, low 74°.

Pressure29.88 inHg
Wind13.9 mph SW
Humidity40%
Visibility6.2 mi
Dew point67°
Tue, 1199° / 81°0.01Light rain
99 °Light rain

Marcelline, Tuesday, 11 August

Light rain. High 99°, low 81°.

Pressure29.80 inHg
Wind17.6 mph SW
Humidity51%
Visibility6.2 mi
Dew point66°
Wed, 1292° / 73°0.17Rain
92 °Rain

Marcelline, Wednesday, 12 August

Rain. High 92°, low 73°.

Pressure29.85 inHg
Wind13 mph NE
Humidity63%
Visibility6.2 mi
Dew point73°
Thu, 1374° / 69°0.33Rain
74 °Rain

Marcelline, Thursday, 13 August

Rain. High 74°, low 69°.

Pressure29.88 inHg
Wind10.4 mph NE
Humidity92%
Visibility—
Dew point71°
Fri, 1479° / 60°0Mostly clear
79 °Mostly clear

Marcelline, Friday, 14 August

Mostly clear. High 79°, low 60°.

Pressure30.18 inHg
Wind10.6 mph NE
Humidity42%
Visibility—
Dew point51°
Sat, 1582° / 58°0Partly cloudy
82 °Partly cloudy

Marcelline, Saturday, 15 August

Partly cloudy. High 82°, low 58°.

Pressure30.24 inHg
Wind10.3 mph SE
Humidity40%
Visibility—
Dew point51°
Sun, 1678° / 64°0.02Light rain
78 °Light rain

Marcelline, Sunday, 16 August

Light rain. High 78°, low 64°.

Pressure30.12 inHg
Wind14.6 mph S
Humidity78%
Visibility—
Dew point68°
Mon, 1791° / 71°0.03Light rain
91 °Light rain

Marcelline, Monday, 17 August

Light rain. High 91°, low 71°.

Pressure29.91 inHg
Wind12 mph SE
Humidity56%
Visibility—
Dew point70°
Tue, 1891° / 73°0.01Light rain
91 °Light rain

Marcelline, Tuesday, 18 August

Light rain. High 91°, low 73°.

Pressure29.97 inHg
Wind8.1 mph NE
Humidity53%
Visibility—
Dew point68°
Wed, 1998° / 72°0Mostly clear
98 °Mostly clear

Marcelline, Wednesday, 19 August

Mostly clear. High 98°, low 72°.

Pressure29.88 inHg
Wind7.2 mph S
Humidity43%
Visibility—
Dew point65°
Thu, 2085° / 71°0.13Light rain
85 °Light rain

Marcelline, Thursday, 20 August

Light rain. High 85°, low 71°.

Pressure29.88 inHg
Wind10.4 mph NE
Humidity58%
Visibility—
Dew point67°
Fri, 2186° / 66°0Clear
86 °Clear

Marcelline, Friday, 21 August

Clear. High 86°, low 66°.

Pressure29.94 inHg
Wind11 mph NE
Humidity43%
Visibility—
Dew point56°
Sat, 2294° / 64°0.01Light rain
94 °Light rain

Marcelline, Saturday, 22 August

Light rain. High 94°, low 64°.

Pressure29.91 inHg
Wind20.6 mph NE
Humidity32%
Visibility—
Dew point54°
Sun, 2376° / 57°0.03Light rain
76 °Light rain

Marcelline, Sunday, 23 August

Light rain. High 76°, low 57°.

Pressure30.18 inHg
Wind14.5 mph NE
Humidity42%
Visibility—
Dew point45°

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 Marcelline, IL 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 Marcelline, IL 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.