Monthly outlook for Sag Bridge, IL: average high 64.6°, average low 51.6°. That is 4.5° above the climate normal for October. Precipitation is expected on 7 days (about 3.9 inches), against a normal of 5 days and 1.7 inches. The warmest day looks like 22 October (72.3°), the coolest 21 October (41.8°).
64.6°/51.6°
Average high / low
+4.5°
Above normal
7 / 5
Wet days / normal
3.9 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
21 October – 30 October
66.9°
57.7°
+5.1°
31 October – 9 November
60.7°
53.4°
+4°
10 November – 19 November
at normal
48°
—
October records over 66 years
87.8°3 October 2025All-time high
25°26 October 1962All-time low
Climate normals and records are computed from the nearest reference point — Chicago Ridge (8 mi).
Thu, 2272° / 46°0
72 °
Sag Bridge, Thursday, 22 October
Clear. High 72°, low 46°.
Pressure30.27 inHg
Wind1.9 mph NE
Humidity67%
Visibility6.2 mi
Dew point55°
Fri, 2368° / 47°0
68 °
Sag Bridge, Friday, 23 October
Clear. High 68°, low 47°.
Pressure30.36 inHg
Wind2.6 mph S
Humidity69%
Visibility6.2 mi
Dew point55°
Sat, 2467° / 49°0
67 °
Sag Bridge, Saturday, 24 October
Partly cloudy. High 67°, low 49°.
Pressure30.39 inHg
Wind6 mph S
Humidity66%
Visibility6.2 mi
Dew point52°
Sun, 2568° / 50°0
68 °
Sag Bridge, Sunday, 25 October
Overcast. High 68°, low 50°.
Pressure30.36 inHg
Wind5.5 mph S
Humidity57%
Visibility—
Dew point49°
Mon, 2670° / 52°0
70 °
Sag Bridge, Monday, 26 October
Overcast. High 70°, low 52°.
Pressure30.21 inHg
Wind6.8 mph S
Humidity58%
Visibility—
Dew point50°
Tue, 2763° / 54°0
63 °
Sag Bridge, Tuesday, 27 October
Overcast. High 63°, low 54°.
Pressure30.30 inHg
Wind7.4 mph SE
Humidity49%
Visibility—
Dew point40°
Wed, 2870° / 57°0.02
70 °
Sag Bridge, Wednesday, 28 October
Light rain. High 70°, low 57°.
Pressure30.06 inHg
Wind12 mph SW
Humidity51%
Visibility—
Dew point48°
Thu, 2964° / 50°0.04
64 °
Sag Bridge, Thursday, 29 October
Light rain. High 64°, low 50°.
Pressure30.21 inHg
Wind10.9 mph NE
Humidity43%
Visibility—
Dew point34°
Fri, 3058° / 48°0
58 °
Sag Bridge, Friday, 30 October
Overcast. High 58°, low 48°.
Pressure30.30 inHg
Wind8.5 mph E
Humidity26%
Visibility—
Dew point22°
Sat, 3163° / 51°0.11
63 °
Sag Bridge, Saturday, 31 October
Light rain. High 63°, low 51°.
Pressure29.97 inHg
Wind13.9 mph S
Humidity64%
Visibility—
Dew point45°
Sun, 0160° / 57°1.3
60 °
Sag Bridge, Sunday, 1 November
Rain. High 60°, low 57°.
Pressure29.88 inHg
Wind17.2 mph S
Humidity91%
Visibility—
Dew point56°
Mon, 0261° / 60°1.11
61 °
Sag Bridge, Monday, 2 November
Rain. High 61°, low 60°.
Pressure29.83 inHg
Wind8.1 mph S
Humidity98%
Visibility—
Dew point60°
Tue, 0363° / 58°0.67
63 °
Sag Bridge, Tuesday, 3 November
Rain. High 63°, low 58°.
Pressure29.71 inHg
Wind11.6 mph NE
Humidity93%
Visibility—
Dew point58°
Wed, 0465° / 54°0.45
65 °
Sag Bridge, Wednesday, 4 November
Light rain. High 65°, low 54°.
Pressure29.41 inHg
Wind11.1 mph NE
Humidity63%
Visibility—
Dew point51°
Thu, 0552° / 50°0.17
52 °
Sag Bridge, Thursday, 5 November
Light rain. High 52°, low 50°.
Pressure29.53 inHg
Wind11.4 mph S
Humidity88%
Visibility—
Dew point46°
From day 17 onward the outlook is built from 60-year climate statistics
Fri, 0653° / 39°0.07
53 °
Sag Bridge, Friday, 6 November
Climate normal for this date — 60-year average.
Average high53°
Average low39°
Average precipitation0.07 in
Chance of precipitation30%
Record high72° (1975)
Record low25° (1991)
Sat, 0752° / 39°0.06
52 °
Sag Bridge, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high52°
Average low39°
Average precipitation0.06 in
Chance of precipitation20%
Record high70° (2020)
Record low20° (1991)
Sun, 0852° / 39°0.06
52 °
Sag Bridge, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high52°
Average low39°
Average precipitation0.06 in
Chance of precipitation20%
Record high74° (2020)
Record low15° (1991)
Mon, 0952° / 39°0.13
52 °
Sag Bridge, Monday, 9 November
Climate normal for this date — 60-year average.
Average high52°
Average low39°
Average precipitation0.13 in
Chance of precipitation35%
Record high72° (2020)
Record low19° (1991)
Tue, 1051° / 38°0.13
51 °
Sag Bridge, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high51°
Average low38°
Average precipitation0.13 in
Chance of precipitation40%
Record high73° (2020)
Record low18° (2018)
Wed, 1148° / 36°0.08
48 °
Sag Bridge, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high48°
Average low36°
Average precipitation0.08 in
Chance of precipitation30%
Record high71° (1964)
Record low17° (2019)
Thu, 1247° / 35°0.06
47 °
Sag Bridge, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high47°
Average low35°
Average precipitation0.06 in
Chance of precipitation23%
Record high68° (1964)
Record low5° (2019)
Fri, 1347° / 34°0.05
47 °
Sag Bridge, Friday, 13 November
Climate normal for this date — 60-year average.
Average high47°
Average low34°
Average precipitation0.05 in
Chance of precipitation22%
Record high69° (1999)
Record low2° (2019)
Sat, 1448° / 35°0.07
48 °
Sag Bridge, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high48°
Average low35°
Average precipitation0.07 in
Chance of precipitation33%
Record high70° (1971)
Record low14° (1986)
Sun, 1548° / 36°0.1
48 °
Sag Bridge, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high48°
Average low36°
Average precipitation0.1 in
Chance of precipitation32%
Record high68° (2025)
Record low20° (1982)
Mon, 1647° / 35°0.05
47 °
Sag Bridge, Monday, 16 November
Climate normal for this date — 60-year average.
Average high47°
Average low35°
Average precipitation0.05 in
Chance of precipitation25%
Record high63° (1988)
Record low22° (1997)
Tue, 1748° / 35°0.09
48 °
Sag Bridge, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high48°
Average low35°
Average precipitation0.09 in
Chance of precipitation30%
Record high69° (2016)
Record low16° (2014)
Wed, 1848° / 36°0.15
48 °
Sag Bridge, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high48°
Average low36°
Average precipitation0.15 in
Chance of precipitation30%
Record high67° (2016)
Record low12° (2014)
Thu, 1948° / 36°0.08
48 °
Sag Bridge, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high48°
Average low36°
Average precipitation0.08 in
Chance of precipitation35%
Record high65° (1985)
Record low18° (2014)
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 Sag Bridge, 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 Sag Bridge, 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.