Monthly outlook for Camp Algonquin, IL: average high 61.3°, average low 47.5°. That is 1.3° above the climate normal for October. Precipitation is expected on 5 days (about 3.9 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 12 October (85.2°), the coolest 24 October (32.5°).
61.3°/47.5°
Average high / low
+1.3°
Above normal
5 / 5
Wet days / normal
3.9 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
12 October – 21 October
67.7°
60°
+4.3°
22 October – 31 October
50.5°
56.4°
-3.3°
1 November – 10 November
at normal
51.6°
—
October records over 66 years
86.9°3 October 2025All-time high
23.4°26 October 1962All-time low
Climate normals and records are computed from the nearest reference point — Elgin (10 mi).
Tue, 1385° / 65°0
85 °
Camp Algonquin, Tuesday, 13 October
Clear. High 85°, low 65°.
Pressure29.83 inHg
Wind11 mph W
Humidity68%
Visibility6.2 mi
Dew point65°
Wed, 1469° / 58°0.12
69 °
Camp Algonquin, Wednesday, 14 October
Rain. High 69°, low 58°.
Pressure30.09 inHg
Wind8.3 mph NE
Humidity65%
Visibility6.2 mi
Dew point56°
Thu, 1561° / 58°0.46
61 °
Camp Algonquin, Thursday, 15 October
Rain. High 61°, low 58°.
Pressure30.06 inHg
Wind7.5 mph E
Humidity93%
Visibility3.9 mi
Dew point58°
Fri, 1658° / 46°0.02
58 °
Camp Algonquin, Friday, 16 October
Light rain. High 58°, low 46°.
Pressure30.36 inHg
Wind21.7 mph NW
Humidity48%
Visibility—
Dew point36°
Sat, 1755° / 38°0
55 °
Camp Algonquin, Saturday, 17 October
Clear. High 55°, low 38°.
Pressure30.47 inHg
Wind11.2 mph SW
Humidity43%
Visibility—
Dew point31°
Sun, 1856° / 36°0
56 °
Camp Algonquin, Sunday, 18 October
Clear. High 56°, low 36°.
Pressure30.36 inHg
Wind19.6 mph SW
Humidity42%
Visibility—
Dew point29°
Mon, 1964° / 42°0
64 °
Camp Algonquin, Monday, 19 October
Overcast. High 64°, low 42°.
Pressure30.27 inHg
Wind13.5 mph SW
Humidity51%
Visibility—
Dew point40°
Tue, 2069° / 51°0
69 °
Camp Algonquin, Tuesday, 20 October
Overcast. High 69°, low 51°.
Pressure30.18 inHg
Wind11.6 mph S
Humidity63%
Visibility—
Dew point52°
Wed, 2174° / 58°1.35
74 °
Camp Algonquin, Wednesday, 21 October
Heavy rain. High 74°, low 58°.
Pressure29.97 inHg
Wind18.8 mph SE
Humidity66%
Visibility—
Dew point59°
Thu, 2265° / 49°1.15
65 °
Camp Algonquin, Thursday, 22 October
Heavy rain. High 65°, low 49°.
Pressure29.71 inHg
Wind20.2 mph S
Humidity65%
Visibility—
Dew point45°
Fri, 2346° / 40°0
46 °
Camp Algonquin, Friday, 23 October
Overcast. High 46°, low 40°.
Pressure29.97 inHg
Wind17.2 mph NW
Humidity61%
Visibility—
Dew point32°
Sat, 2448° / 32°0
48 °
Camp Algonquin, Saturday, 24 October
Mostly clear. High 48°, low 32°.
Pressure30.15 inHg
Wind9.9 mph NW
Humidity52%
Visibility—
Dew point28°
Sun, 2546° / 42°0.73
46 °
Camp Algonquin, Sunday, 25 October
Rain. High 46°, low 42°.
Pressure29.83 inHg
Wind8.3 mph SE
Humidity94%
Visibility—
Dew point43°
Mon, 2650° / 41°0.01
50 °
Camp Algonquin, Monday, 26 October
Light rain. High 50°, low 41°.
Pressure30.00 inHg
Wind9.5 mph NE
Humidity73%
Visibility—
Dew point41°
Tue, 2747° / 43°0.01
47 °
Camp Algonquin, Tuesday, 27 October
Light rain. High 47°, low 43°.
Pressure30.00 inHg
Wind10.7 mph NW
Humidity66%
Visibility—
Dew point36°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 2855° / 42°0.04
55 °
Camp Algonquin, Wednesday, 28 October
Climate normal for this date — 60-year average.
Average high55°
Average low42°
Average precipitation0.04 in
Chance of precipitation18%
Record high74° (1999)
Record low27° (1976)
Thu, 2955° / 41°0.05
55 °
Camp Algonquin, Thursday, 29 October
Climate normal for this date — 60-year average.
Average high55°
Average low41°
Average precipitation0.05 in
Chance of precipitation20%
Record high78° (2024)
Record low25° (1980)
Fri, 3057° / 42°0.11
57 °
Camp Algonquin, Friday, 30 October
Climate normal for this date — 60-year average.
Average high57°
Average low42°
Average precipitation0.11 in
Chance of precipitation28%
Record high76° (1971)
Record low24° (1988)
Sat, 3155° / 42°0.12
55 °
Camp Algonquin, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high55°
Average low42°
Average precipitation0.12 in
Chance of precipitation37%
Record high73° (1974)
Record low26° (2019)
Sun, 0154° / 41°0.17
54 °
Camp Algonquin, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high54°
Average low41°
Average precipitation0.17 in
Chance of precipitation38%
Record high73° (2016)
Record low18° (2019)
Mon, 0253° / 40°0.11
53 °
Camp Algonquin, Monday, 2 November
Climate normal for this date — 60-year average.
Average high53°
Average low40°
Average precipitation0.11 in
Chance of precipitation35%
Record high74° (1961)
Record low22° (1991)
Tue, 0352° / 39°0.06
52 °
Camp Algonquin, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high52°
Average low39°
Average precipitation0.06 in
Chance of precipitation30%
Record high72° (1987)
Record low16° (1991)
Wed, 0452° / 40°0.09
52 °
Camp Algonquin, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high52°
Average low40°
Average precipitation0.09 in
Chance of precipitation23%
Record high71° (2015)
Record low15° (1991)
Thu, 0552° / 39°0.12
52 °
Camp Algonquin, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high52°
Average low39°
Average precipitation0.12 in
Chance of precipitation28%
Record high74° (1978)
Record low18° (1991)
Fri, 0652° / 37°0.08
52 °
Camp Algonquin, Friday, 6 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.08 in
Chance of precipitation28%
Record high71° (1975)
Record low22° (1991)
Sat, 0751° / 37°0.04
51 °
Camp Algonquin, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.04 in
Chance of precipitation18%
Record high68° (2009)
Record low14° (1991)
Sun, 0850° / 37°0.05
50 °
Camp Algonquin, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high50°
Average low37°
Average precipitation0.05 in
Chance of precipitation18%
Record high72° (2020)
Record low13° (1991)
Mon, 0951° / 37°0.12
51 °
Camp Algonquin, Monday, 9 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.12 in
Chance of precipitation32%
Record high72° (1999)
Record low17° (1991)
Tue, 1049° / 36°0.1
49 °
Camp Algonquin, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high49°
Average low36°
Average precipitation0.1 in
Chance of precipitation37%
Record high71° (2020)
Record low17° (2017)
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 Camp Algonquin, 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 Camp Algonquin, 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.