Monthly outlook for Oakbrook Terrace, IL: average high 59.3°, average low 49.2°. That is 3° above the climate normal for October. Precipitation is expected on 3 days (about 0.5 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 29 October (68.5°), the coolest 6 November (39.3°).
59.3°/49.2°
Average high / low
+3°
Above normal
3 / 5
Wet days / normal
0.5 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
26 October – 4 November
63.7°
55.2°
+4.7°
5 November – 14 November
52°
49.9°
+1.1°
15 November – 24 November
at normal
46°
—
October records over 66 years
87.6°3 October 2025All-time high
25.5°26 October 1962All-time low
Climate normals and records are computed from the nearest reference point — Bellwood (5 mi).
Tue, 2766° / 52°0
66 °
Oakbrook Terrace, Tuesday, 27 October
Overcast. High 66°, low 52°.
Pressure30.27 inHg
Wind4.4 mph SE
Humidity81%
Visibility6.2 mi
Dew point54°
Wed, 2867° / 52°0
67 °
Oakbrook Terrace, Wednesday, 28 October
Light rain. High 67°, low 52°.
Pressure30.21 inHg
Wind4.8 mph S
Humidity80%
Visibility6.2 mi
Dew point53°
Thu, 2969° / 55°0.03
69 °
Oakbrook Terrace, Thursday, 29 October
Light rain. High 69°, low 55°.
Pressure30.06 inHg
Wind8.5 mph SW
Humidity70%
Visibility6.2 mi
Dew point56°
Fri, 3065° / 48°0
65 °
Oakbrook Terrace, Friday, 30 October
Overcast. High 65°, low 48°.
Pressure30.18 inHg
Wind5.9 mph SE
Humidity62%
Visibility—
Dew point49°
Sat, 3163° / 56°0.25
63 °
Oakbrook Terrace, Saturday, 31 October
Rain. High 63°, low 56°.
Pressure30.18 inHg
Wind9.4 mph S
Humidity65%
Visibility—
Dew point50°
Sun, 0166° / 54°0
66 °
Oakbrook Terrace, Sunday, 1 November
Overcast. High 66°, low 54°.
Pressure30.09 inHg
Wind6.2 mph E
Humidity34%
Visibility—
Dew point35°
Mon, 0259° / 56°0
59 °
Oakbrook Terrace, Monday, 2 November
Overcast. High 59°, low 56°.
Pressure29.88 inHg
Wind8.6 mph NE
Humidity65%
Visibility—
Dew point45°
Tue, 0361° / 55°0
61 °
Oakbrook Terrace, Tuesday, 3 November
Overcast. High 61°, low 55°.
Pressure30.06 inHg
Wind5.1 mph W
Humidity67%
Visibility—
Dew point47°
Wed, 0455° / 46°0
55 °
Oakbrook Terrace, Wednesday, 4 November
Overcast. High 55°, low 46°.
Pressure30.30 inHg
Wind12.5 mph NE
Humidity70%
Visibility—
Dew point38°
Thu, 0549° / 42°0
49 °
Oakbrook Terrace, Thursday, 5 November
Partly cloudy. High 49°, low 42°.
Pressure30.50 inHg
Wind8.5 mph E
Humidity25%
Visibility—
Dew point13°
Fri, 0653° / 39°0
53 °
Oakbrook Terrace, Friday, 6 November
Mostly clear. High 53°, low 39°.
Pressure30.21 inHg
Wind10.6 mph S
Humidity29%
Visibility—
Dew point18°
Sat, 0753° / 48°0.11
53 °
Oakbrook Terrace, Saturday, 7 November
Light rain. High 53°, low 48°.
Pressure29.83 inHg
Wind15 mph SW
Humidity60%
Visibility—
Dew point39°
Sun, 0854° / 43°0.08
54 °
Oakbrook Terrace, Sunday, 8 November
Light rain. High 54°, low 43°.
Pressure30.06 inHg
Wind13 mph NW
Humidity59%
Visibility—
Dew point35°
Mon, 0951° / 39°0
51 °
Oakbrook Terrace, Monday, 9 November
Mostly clear. High 51°, low 39°.
Pressure30.33 inHg
Wind8.7 mph S
Humidity45%
Visibility—
Dew point28°
Tue, 1052° / 49°0.02
52 °
Oakbrook Terrace, Tuesday, 10 November
Light rain. High 52°, low 49°.
Pressure29.91 inHg
Wind9 mph S
Humidity74%
Visibility—
Dew point43°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 1148° / 36°0.07
48 °
Oakbrook Terrace, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high48°
Average low36°
Average precipitation0.07 in
Chance of precipitation28%
Record high70° (1964)
Record low16° (2019)
Thu, 1246° / 35°0.06
46 °
Oakbrook Terrace, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high46°
Average low35°
Average precipitation0.06 in
Chance of precipitation22%
Record high67° (1964)
Record low4° (2019)
Fri, 1347° / 34°0.04
47 °
Oakbrook Terrace, Friday, 13 November
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.04 in
Chance of precipitation17%
Record high69° (1999)
Record low2° (2019)
Sat, 1448° / 35°0.07
48 °
Oakbrook Terrace, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high48°
Average low35°
Average precipitation0.07 in
Chance of precipitation30%
Record high69° (1971)
Record low14° (1986)
Sun, 1547° / 35°0.09
47 °
Oakbrook Terrace, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high47°
Average low35°
Average precipitation0.09 in
Chance of precipitation28%
Record high69° (2025)
Record low20° (1982)
Mon, 1647° / 35°0.05
47 °
Oakbrook Terrace, Monday, 16 November
Climate normal for this date — 60-year average.
Average high47°
Average low35°
Average precipitation0.05 in
Chance of precipitation18%
Record high63° (1988)
Record low21° (1997)
Tue, 1748° / 35°0.08
48 °
Oakbrook Terrace, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high48°
Average low35°
Average precipitation0.08 in
Chance of precipitation30%
Record high70° (2016)
Record low16° (2014)
Wed, 1848° / 36°0.12
48 °
Oakbrook Terrace, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high48°
Average low36°
Average precipitation0.12 in
Chance of precipitation28%
Record high67° (2016)
Record low11° (2014)
Thu, 1947° / 35°0.07
47 °
Oakbrook Terrace, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high47°
Average low35°
Average precipitation0.07 in
Chance of precipitation30%
Record high65° (1983)
Record low18° (2014)
Fri, 2046° / 34°0.08
46 °
Oakbrook Terrace, Friday, 20 November
Climate normal for this date — 60-year average.
Average high46°
Average low34°
Average precipitation0.08 in
Chance of precipitation28%
Record high63° (2003)
Record low14° (2022)
Sat, 2144° / 33°0.1
44 °
Oakbrook Terrace, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high44°
Average low33°
Average precipitation0.1 in
Chance of precipitation25%
Record high67° (1990)
Record low11° (1964)
Sun, 2245° / 32°0.04
45 °
Oakbrook Terrace, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high45°
Average low32°
Average precipitation0.04 in
Chance of precipitation20%
Record high68° (2010)
Record low9° (2015)
Mon, 2345° / 32°0.07
45 °
Oakbrook Terrace, Monday, 23 November
Climate normal for this date — 60-year average.
Average high45°
Average low32°
Average precipitation0.07 in
Chance of precipitation27%
Record high65° (2003)
Record low13° (1970)
Tue, 2443° / 31°0.07
43 °
Oakbrook Terrace, Tuesday, 24 November
Climate normal for this date — 60-year average.
Average high43°
Average low31°
Average precipitation0.07 in
Chance of precipitation30%
Record high66° (1966)
Record low14° (2013)
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 Oakbrook Terrace, 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 Oakbrook Terrace, 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.