As of 11:08 CDT

Weather in Andover, IL

64°

Andover, Tuesday, 20 October, 11:08

Clear. Feels like 63°. High 68°, low 42°.

Pressure30.39 inHg

Wind3.9 mph SE

Humidity59%

Visibility6.2 mi

Dew point48°

See detailed hourly forecast

Wed, 2174° / 45°

74 °

Andover, Wednesday, 21 October

Clear. High 74°, low 45°.

Pressure30.27 inHg

Wind5.3 mph SW

Humidity49%

Visibility6.2 mi

Dew point48°

Thu, 2271° / 49°

71 °

Andover, Thursday, 22 October

Clear. High 71°, low 49°.

Pressure30.30 inHg

Wind3.6 mph E

Humidity57%

Visibility6.2 mi

Dew point53°

Fri, 2369° / 51°

69 °

Andover, Friday, 23 October

Clear. High 69°, low 51°.

Pressure30.33 inHg

Wind8.9 mph S

Humidity56%

Visibility6.2 mi

Dew point51°

Sat, 2470° / 52°

70 °

Andover, Saturday, 24 October

Overcast. High 70°, low 52°.

Pressure30.30 inHg

Wind11.8 mph S

Humidity50%

Visibility—

Dew point47°

Sun, 2572° / 55°

72 °

Andover, Sunday, 25 October

Overcast. High 72°, low 55°.

Pressure30.36 inHg

Wind8.7 mph S

Humidity54%

Visibility—

Dew point51°

Mon, 2661° / 39°

0.25

61 °

Andover, Monday, 26 October

Rain. High 61°, low 39°.

Pressure30.09 inHg

Wind15.8 mph N

Humidity61%

Visibility—

Dew point47°

Tue, 2747° / 34°

47 °

Andover, Tuesday, 27 October

Clear. High 47°, low 34°.

Pressure30.45 inHg

Wind13.5 mph NW

Humidity41%

Visibility—

Dew point23°

Wed, 2847° / 31°

47 °

Andover, Wednesday, 28 October

Mostly clear. High 47°, low 31°.

Pressure30.39 inHg

Wind12.4 mph SW

Humidity40%

Visibility—

Dew point20°

Thu, 2949° / 36°

49 °

Andover, Thursday, 29 October

Clear. High 49°, low 36°.

Pressure30.15 inHg

Wind14.3 mph NW

Humidity46%

Visibility—

Dew point27°

Fri, 3044° / 33°

44 °

Andover, Friday, 30 October

Clear. High 44°, low 33°.

Pressure30.45 inHg

Wind13.8 mph N

Humidity45%

Visibility—

Dew point21°

Sat, 3149° / 30°

49 °

Andover, Saturday, 31 October

Overcast. High 49°, low 30°.

Pressure30.24 inHg

Wind13.3 mph SW

Humidity40%

Visibility—

Dew point22°

Sun, 0154° / 45°

54 °

Andover, Sunday, 1 November

Light rain. High 54°, low 45°.

Pressure30.12 inHg

Wind11.6 mph SW

Humidity76%

Visibility—

Dew point43°

Mon, 0260° / 43°

60 °

Andover, Monday, 2 November

Clear. High 60°, low 43°.

Pressure30.27 inHg

Wind10.3 mph S

Humidity59%

Visibility—

Dew point42°

Tue, 0359° / 48°

0.37

59 °

Andover, Tuesday, 3 November

Rain. High 59°, low 48°.

Pressure30.09 inHg

Wind18.1 mph S

Humidity52%

Visibility—

Dew point40°

Wed, 0459° / 51°

0.88

59 °

Andover, Wednesday, 4 November

Rain. High 59°, low 51°.

Pressure29.91 inHg

Wind16.5 mph S

Humidity91%

Visibility—

Dew point54°

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 Andover, 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 Andover, 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.