As of 06:15 CDT

Weather in Archer, IL

55°

Archer, Friday, 9 October, 06:15

Overcast. Feels like 54°. High 88°, low 55°.

Pressure30.09 inHg

Wind0 mph N

Humidity85%

Visibility6.2 mi

Dew point49°

See detailed hourly forecast

Monthly outlook for Archer, IL: average high 73.3°, average low 53.3°. That is 4.8° above the climate normal for October. Precipitation is expected on 2 days (about 2.5 inches), against a normal of 4 days and 1.7 inches. The warmest day looks like 13 October (91.3°), the coolest 18 October (38.3°).

73.3°/53.3°

Average high / low

+4.8°

Above normal

2 / 4

Wet days / normal

2.5 in

Precipitation this month

Ten-day blocks vs climate normal

Period	Forecast high	Normal	Difference
9 October – 18 October	76.2°	66°	+5.7°
19 October – 28 October	68.5°	61.5°	+3.9°
29 October – 7 November	at normal	57.6°	—

October records over 66 years

89.4°7 October 2007All-time high

24.8°26 October 1962All-time low

Climate normals and records are computed from the nearest reference point — Springfield (4 mi).

Sat, 1082° / 56°

82 °

Archer, Saturday, 10 October

Overcast. High 82°, low 56°.

Pressure30.06 inHg

Wind6.7 mph SE

Humidity41%

Visibility6.2 mi

Dew point51°

Sun, 1180° / 60°

80 °

Archer, Sunday, 11 October

Clear. High 80°, low 60°.

Pressure29.91 inHg

Wind4 mph N

Humidity54%

Visibility6.2 mi

Dew point56°

Mon, 1290° / 66°

90 °

Archer, Monday, 12 October

Clear. High 90°, low 66°.

Pressure29.85 inHg

Wind11.3 mph SW

Humidity42%

Visibility6.2 mi

Dew point60°

Tue, 1391° / 73°

91 °

Archer, Tuesday, 13 October

Clear. High 91°, low 73°.

Pressure29.83 inHg

Wind11.9 mph SW

Humidity46%

Visibility—

Dew point64°

Wed, 1479° / 67°

1.4

79 °

Archer, Wednesday, 14 October

Rain. High 79°, low 67°.

Pressure29.85 inHg

Wind9.2 mph S

Humidity77%

Visibility—

Dew point70°

Thu, 1586° / 62°

1.11

86 °

Archer, Thursday, 15 October

Heavy rain. High 86°, low 62°.

Pressure29.77 inHg

Wind18.1 mph SW

Humidity61%

Visibility—

Dew point65°

Fri, 1660° / 49°

60 °

Archer, Friday, 16 October

Overcast. High 60°, low 49°.

Pressure30.15 inHg

Wind20.7 mph W

Humidity36%

Visibility—

Dew point28°

Sat, 1749° / 40°

49 °

Archer, Saturday, 17 October

Overcast. High 49°, low 40°.

Pressure30.33 inHg

Wind13.8 mph NW

Humidity50%

Visibility—

Dew point30°

Sun, 1857° / 38°

57 °

Archer, Sunday, 18 October

Clear. High 57°, low 38°.

Pressure30.33 inHg

Wind4.7 mph S

Humidity42%

Visibility—

Dew point30°

Mon, 1964° / 44°

64 °

Archer, Monday, 19 October

Overcast. High 64°, low 44°.

Pressure30.33 inHg

Wind6.6 mph E

Humidity39%

Visibility—

Dew point34°

Tue, 2067° / 45°

67 °

Archer, Tuesday, 20 October

Clear. High 67°, low 45°.

Pressure30.33 inHg

Wind7.2 mph E

Humidity34%

Visibility—

Dew point33°

Wed, 2170° / 47°

70 °

Archer, Wednesday, 21 October

Clear. High 70°, low 47°.

Pressure30.27 inHg

Wind6.4 mph SE

Humidity33%

Visibility—

Dew point34°

Thu, 2270° / 49°

70 °

Archer, Thursday, 22 October

Clear. High 70°, low 49°.

Pressure30.24 inHg

Wind6.1 mph NE

Humidity35%

Visibility—

Dew point37°

Fri, 2370° / 49°

70 °

Archer, Friday, 23 October

Clear. High 70°, low 49°.

Pressure30.18 inHg

Wind6.5 mph NE

Humidity42%

Visibility—

Dew point41°

Sat, 2471° / 50°

71 °

Archer, Saturday, 24 October

Clear. High 71°, low 50°.

Pressure30.09 inHg

Wind5.4 mph NE

Humidity41%

Visibility—

Dew point41°

From day 17 onward the outlook is built from 60-year climate statistics

Sun, 2561° / 46°

0.14

61 °

Archer, Sunday, 25 October

Climate normal for this date — 60-year average.

Average high61°

Average low46°

Average precipitation0.14 in

Chance of precipitation30%

Record high78° (1963)

Record low30° (2013)

Mon, 2660° / 45°

0.14

60 °

Archer, Monday, 26 October

Climate normal for this date — 60-year average.

Average high60°

Average low45°

Average precipitation0.14 in

Chance of precipitation33%

Record high82° (1963)

Record low25° (1962)

Tue, 2760° / 45°

0.09

60 °

Archer, Tuesday, 27 October

Climate normal for this date — 60-year average.

Average high60°

Average low45°

Average precipitation0.09 in

Chance of precipitation32%

Record high77° (1984)

Record low31° (2001)

Wed, 2859° / 44°

0.05

59 °

Archer, Wednesday, 28 October

Climate normal for this date — 60-year average.

Average high59°

Average low44°

Average precipitation0.05 in

Chance of precipitation17%

Record high76° (1999)

Record low29° (1969)

Thu, 2960° / 44°

0.08

60 °

Archer, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high60°

Average low44°

Average precipitation0.08 in

Chance of precipitation28%

Record high79° (2004)

Record low27° (1980)

Fri, 3061° / 45°

0.11

61 °

Archer, Friday, 30 October

Climate normal for this date — 60-year average.

Average high61°

Average low45°

Average precipitation0.11 in

Chance of precipitation33%

Record high80° (1971)

Record low26° (1980)

Sat, 3160° / 46°

0.17

60 °

Archer, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high60°

Average low46°

Average precipitation0.17 in

Chance of precipitation42%

Record high77° (1968)

Record low28° (1993)

Sun, 0159° / 44°

0.21

59 °

Archer, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high59°

Average low44°

Average precipitation0.21 in

Chance of precipitation37%

Record high78° (2016)

Record low26° (1993)

Mon, 0258° / 43°

0.09

58 °

Archer, Monday, 2 November

Climate normal for this date — 60-year average.

Average high58°

Average low43°

Average precipitation0.09 in

Chance of precipitation30%

Record high77° (1961)

Record low26° (1966)

Tue, 0356° / 41°

0.12

56 °

Archer, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high56°

Average low41°

Average precipitation0.12 in

Chance of precipitation30%

Record high77° (1987)

Record low18° (1991)

Wed, 0456° / 43°

0.11

56 °

Archer, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high56°

Average low43°

Average precipitation0.11 in

Chance of precipitation25%

Record high76° (1978)

Record low17° (1991)

Thu, 0556° / 41°

0.16

56 °

Archer, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high56°

Average low41°

Average precipitation0.16 in

Chance of precipitation28%

Record high77° (1978)

Record low20° (1991)

Fri, 0655° / 40°

0.08

55 °

Archer, Friday, 6 November

Climate normal for this date — 60-year average.

Average high55°

Average low40°

Average precipitation0.08 in

Chance of precipitation32%

Record high72° (2023)

Record low26° (1982)

Sat, 0755° / 40°

0.07

55 °

Archer, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high55°

Average low40°

Average precipitation0.07 in

Chance of precipitation20%

Record high71° (1980)

Record low18° (1991)

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 Archer, 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 Archer, 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.