Monthly outlook for Colvin Park, IL: average high 49.5°, average low 35.5°. That is 3° above the climate normal for November. Precipitation is expected on 4 days (about 0.7 inches), against a normal of 5 days and 1.4 inches. The warmest day looks like 27 November (63.8°), the coolest 23 November (24.6°).
49.5°/35.5°
Average high / low
+3°
Above normal
4 / 5
Wet days / normal
0.7 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
14 November – 23 November
50.5°
45.7°
+2.7°
24 November – 3 December
47.8°
40.1°
+4.3°
4 December – 13 December
at normal
35.1°
—
November records over 66 years
74.5°2 November 1961All-time high
-0.2°26 November 1977All-time low
Climate normals and records are computed from the nearest reference point — Sycamore (11 mi).
Sun, 1549° / 30°0
49 °
Colvin Park, Sunday, 15 November
Clear. High 49°, low 30°.
Pressure30.45 inHg
Wind2.6 mph W
Humidity60%
Visibility6.2 mi
Dew point28°
Mon, 1649° / 28°0
49 °
Colvin Park, Monday, 16 November
Clear. High 49°, low 28°.
Pressure30.53 inHg
Wind7.1 mph SW
Humidity54%
Visibility6.2 mi
Dew point32°
Tue, 1752° / 32°0
52 °
Colvin Park, Tuesday, 17 November
Mostly clear. High 52°, low 32°.
Pressure30.47 inHg
Wind8.2 mph SW
Humidity55%
Visibility6.2 mi
Dew point36°
Wed, 1855° / 38°0
55 °
Colvin Park, Wednesday, 18 November
Overcast. High 55°, low 38°.
Pressure30.30 inHg
Wind11.9 mph S
Humidity58%
Visibility—
Dew point37°
Thu, 1956° / 47°0.07
56 °
Colvin Park, Thursday, 19 November
Light rain. High 56°, low 47°.
Pressure30.18 inHg
Wind13 mph SW
Humidity64%
Visibility—
Dew point43°
Fri, 2054° / 41°0.02
54 °
Colvin Park, Friday, 20 November
Light rain. High 54°, low 41°.
Pressure30.24 inHg
Wind12.1 mph S
Humidity47%
Visibility—
Dew point32°
Sat, 2163° / 54°0.1
63 °
Colvin Park, Saturday, 21 November
Light rain. High 63°, low 54°.
Pressure29.83 inHg
Wind24.2 mph SW
Humidity57%
Visibility—
Dew point46°
Sun, 2246° / 32°0.05
46 °
Colvin Park, Sunday, 22 November
Light rain. High 46°, low 32°.
Pressure30.09 inHg
Wind26.1 mph W
Humidity63%
Visibility—
Dew point28°
Mon, 2338° / 25°0
38 °
Colvin Park, Monday, 23 November
Clear. High 38°, low 25°.
Pressure30.36 inHg
Wind10.1 mph NW
Humidity41%
Visibility—
Dew point13°
Tue, 2439° / 26°0
39 °
Colvin Park, Tuesday, 24 November
Overcast. High 39°, low 26°.
Pressure30.30 inHg
Wind10.8 mph S
Humidity34%
Visibility—
Dew point11°
Wed, 2542° / 37°0.02
42 °
Colvin Park, Wednesday, 25 November
Light rain. High 42°, low 37°.
Pressure30.09 inHg
Wind12.9 mph S
Humidity68%
Visibility—
Dew point30°
Thu, 2650° / 40°0
50 °
Colvin Park, Thursday, 26 November
Overcast. High 50°, low 40°.
Pressure30.03 inHg
Wind16 mph SE
Humidity82%
Visibility—
Dew point42°
Fri, 2764° / 50°0.01
64 °
Colvin Park, Friday, 27 November
Light rain. High 64°, low 50°.
Pressure29.80 inHg
Wind25.5 mph S
Humidity69%
Visibility—
Dew point51°
Sat, 2858° / 35°0.43
58 °
Colvin Park, Saturday, 28 November
Rain. High 58°, low 35°.
Pressure29.68 inHg
Wind23.9 mph SW
Humidity71%
Visibility—
Dew point37°
Sun, 2933° / 25°0
33 °
Colvin Park, Sunday, 29 November
Overcast. High 33°, low 25°.
Pressure30.21 inHg
Wind16.9 mph NW
Humidity58%
Visibility—
Dew point19°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 3040° / 27°0.07
40 °
Colvin Park, Monday, 30 November
Climate normal for this date — 60-year average.
Average high40°
Average low27°
Average precipitation0.07 in
Chance of precipitation27%
Record high65° (1998)
Record low8° (1978)
Tue, 0137° / 26°0.12
37 °
Colvin Park, Tuesday, 1 December
Climate normal for this date — 60-year average.
Average high37°
Average low26°
Average precipitation0.12 in
Chance of precipitation38%
Record high62° (1970)
Record low5° (1971)
Wed, 0238° / 25°0.06
38 °
Colvin Park, Wednesday, 2 December
Climate normal for this date — 60-year average.
Average high38°
Average low25°
Average precipitation0.06 in
Chance of precipitation30%
Record high67° (1982)
Record low1° (1971)
Thu, 0338° / 26°0.08
38 °
Colvin Park, Thursday, 3 December
Climate normal for this date — 60-year average.
Average high38°
Average low26°
Average precipitation0.08 in
Chance of precipitation33%
Record high68° (2012)
Record low2° (1985)
Fri, 0437° / 25°0.06
37 °
Colvin Park, Friday, 4 December
Climate normal for this date — 60-year average.
Average high37°
Average low25°
Average precipitation0.06 in
Chance of precipitation20%
Record high64° (1998)
Record low-5° (1991)
Sat, 0538° / 24°0.07
38 °
Colvin Park, Saturday, 5 December
Climate normal for this date — 60-year average.
Average high38°
Average low24°
Average precipitation0.07 in
Chance of precipitation33%
Record high66° (2001)
Record low-5° (1991)
Sun, 0636° / 22°0.06
36 °
Colvin Park, Sunday, 6 December
Climate normal for this date — 60-year average.
Average high36°
Average low22°
Average precipitation0.06 in
Chance of precipitation22%
Record high61° (1998)
Record low-4° (1964)
Mon, 0734° / 22°0.11
34 °
Colvin Park, Monday, 7 December
Climate normal for this date — 60-year average.
Average high34°
Average low22°
Average precipitation0.11 in
Chance of precipitation27%
Record high56° (1980)
Record low-6° (2005)
Tue, 0835° / 23°0.07
35 °
Colvin Park, Tuesday, 8 December
Climate normal for this date — 60-year average.
Average high35°
Average low23°
Average precipitation0.07 in
Chance of precipitation28%
Record high60° (1991)
Record low-1° (2006)
Wed, 0935° / 21°0.08
35 °
Colvin Park, Wednesday, 9 December
Climate normal for this date — 60-year average.
Average high35°
Average low21°
Average precipitation0.08 in
Chance of precipitation42%
Record high52° (1987)
Record low-8° (1978)
Thu, 1034° / 21°0.08
34 °
Colvin Park, Thursday, 10 December
Climate normal for this date — 60-year average.
Average high34°
Average low21°
Average precipitation0.08 in
Chance of precipitation25%
Record high57° (2015)
Record low-12° (1978)
Fri, 1133° / 20°0.11
33 °
Colvin Park, Friday, 11 December
Climate normal for this date — 60-year average.
Average high33°
Average low20°
Average precipitation0.11 in
Chance of precipitation33%
Record high55° (1965)
Record low-18° (1972)
Sat, 1235° / 20°0.07
35 °
Colvin Park, Saturday, 12 December
Climate normal for this date — 60-year average.
Average high35°
Average low20°
Average precipitation0.07 in
Chance of precipitation23%
Record high59° (2015)
Record low-8° (2000)
Sun, 1335° / 21°0.05
35 °
Colvin Park, Sunday, 13 December
Climate normal for this date — 60-year average.
Average high35°
Average low21°
Average precipitation0.05 in
Chance of precipitation27%
Record high61° (2015)
Record low-16° (2000)
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 Colvin Park, 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 Colvin Park, 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.