As of 14:30 CDT

Weather in Quincy, IL

87°

Quincy, Saturday, 8 August, 14:30

Clear. Feels like 97°. High 87°, low 69°.

Pressure30.03 inHg

Wind4.9 mph NE

Humidity68%

Visibility6.2 mi

Dew point75°

See detailed hourly forecast

Sun, 0997° / 72°

97 °

Quincy, Sunday, 9 August

Partly cloudy. High 97°, low 72°.

Pressure29.91 inHg

Wind12.3 mph SW

Humidity46%

Visibility6.2 mi

Dew point68°

Mon, 10100° / 75°

100 °

Quincy, Monday, 10 August

Partly cloudy. High 100°, low 75°.

Pressure29.88 inHg

Wind14 mph SW

Humidity39%

Visibility6.2 mi

Dew point67°

Tue, 1199° / 80°

0.01

99 °

Quincy, Tuesday, 11 August

Light rain. High 99°, low 80°.

Pressure29.80 inHg

Wind18.9 mph S

Humidity55%

Visibility6.2 mi

Dew point67°

Wed, 1295° / 71°

0.12

95 °

Quincy, Wednesday, 12 August

Light rain. High 95°, low 71°.

Pressure29.83 inHg

Wind12.3 mph NE

Humidity57%

Visibility6.2 mi

Dew point72°

Thu, 1375° / 69°

0.43

75 °

Quincy, Thursday, 13 August

Rain. High 75°, low 69°.

Pressure29.88 inHg

Wind10.8 mph NE

Humidity92%

Visibility—

Dew point71°

Fri, 1480° / 59°

80 °

Quincy, Friday, 14 August

Partly cloudy. High 80°, low 59°.

Pressure30.18 inHg

Wind10.3 mph NE

Humidity38%

Visibility—

Dew point48°

Sat, 1582° / 58°

82 °

Quincy, Saturday, 15 August

Partly cloudy. High 82°, low 58°.

Pressure30.24 inHg

Wind10.9 mph SE

Humidity39%

Visibility—

Dew point50°

Sun, 1677° / 64°

0.05

77 °

Quincy, Sunday, 16 August

Light rain. High 77°, low 64°.

Pressure30.12 inHg

Wind13.6 mph S

Humidity88%

Visibility—

Dew point69°

Mon, 1793° / 71°

0.04

93 °

Quincy, Monday, 17 August

Light rain. High 93°, low 71°.

Pressure29.91 inHg

Wind12.8 mph SE

Humidity52%

Visibility—

Dew point69°

Tue, 1891° / 73°

0.02

91 °

Quincy, Tuesday, 18 August

Light rain. High 91°, low 73°.

Pressure29.97 inHg

Wind7 mph NE

Humidity51%

Visibility—

Dew point67°

Wed, 1997° / 71°

97 °

Quincy, Wednesday, 19 August

Partly cloudy. High 97°, low 71°.

Pressure29.88 inHg

Wind8.3 mph SE

Humidity43%

Visibility—

Dew point65°

Thu, 2086° / 72°

0.31

86 °

Quincy, Thursday, 20 August

Rain. High 86°, low 72°.

Pressure29.88 inHg

Wind9.5 mph NW

Humidity60%

Visibility—

Dew point67°

Fri, 2187° / 68°

87 °

Quincy, Friday, 21 August

Partly cloudy. High 87°, low 68°.

Pressure29.94 inHg

Wind10.7 mph NE

Humidity41%

Visibility—

Dew point56°

Sat, 2294° / 66°

94 °

Quincy, Saturday, 22 August

Clear. High 94°, low 66°.

Pressure29.91 inHg

Wind16.4 mph NE

Humidity33%

Visibility—

Dew point54°

Sun, 2375° / 56°

0.08

75 °

Quincy, Sunday, 23 August

Light rain. High 75°, low 56°.

Pressure30.18 inHg

Wind13.6 mph E

Humidity47%

Visibility—

Dew point47°

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 Quincy, 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 Quincy, 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.