Monthly outlook for Brimfield, IL: average high 66.6°, average low 51.1°. That is 3.7° above the climate normal for October. Precipitation is expected on 6 days (about 2.2 inches), against a normal of 4 days and 1.4 inches. The warmest day looks like 27 October (74.7°), the coolest 17 October (37.4°).
66.6°/51.1°
Average high / low
+3.7°
Above normal
6 / 4
Wet days / normal
2.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
15 October – 24 October
65.9°
61.1°
+2.7°
25 October – 3 November
67.8°
57.1°
+5.9°
4 November – 13 November
at normal
51.9°
—
October records over 66 years
88.9°3 October 2006All-time high
19.9°22 October 1976All-time low
Climate normals and records are computed from the nearest reference point — Trivoli (10 mi).
Fri, 1655° / 46°0.04
55 °
Brimfield, Friday, 16 October
Light rain. High 55°, low 46°.
Pressure30.18 inHg
Wind17 mph NW
Humidity67%
Visibility6.2 mi
Dew point41°
Sat, 1757° / 37°0
57 °
Brimfield, Saturday, 17 October
Clear. High 57°, low 37°.
Pressure30.56 inHg
Wind3.4 mph SW
Humidity44%
Visibility6.2 mi
Dew point31°
Sun, 1862° / 42°0
62 °
Brimfield, Sunday, 18 October
Clear. High 62°, low 42°.
Pressure30.45 inHg
Wind12.8 mph S
Humidity46%
Visibility6.2 mi
Dew point38°
Mon, 1965° / 44°0
65 °
Brimfield, Monday, 19 October
Overcast. High 65°, low 44°.
Pressure30.36 inHg
Wind7.3 mph S
Humidity52%
Visibility6.2 mi
Dew point42°
Tue, 2067° / 47°0.01
67 °
Brimfield, Tuesday, 20 October
Light rain. High 67°, low 47°.
Pressure30.30 inHg
Wind6.7 mph S
Humidity53%
Visibility—
Dew point44°
Wed, 2172° / 54°0
72 °
Brimfield, Wednesday, 21 October
Overcast. High 72°, low 54°.
Pressure30.30 inHg
Wind6.6 mph SE
Humidity49%
Visibility—
Dew point48°
Thu, 2268° / 54°0
68 °
Brimfield, Thursday, 22 October
Overcast. High 68°, low 54°.
Pressure30.21 inHg
Wind9.7 mph S
Humidity51%
Visibility—
Dew point46°
Fri, 2373° / 56°0
73 °
Brimfield, Friday, 23 October
Overcast. High 73°, low 56°.
Pressure30.18 inHg
Wind14 mph SE
Humidity37%
Visibility—
Dew point42°
Sat, 2470° / 57°0.01
70 °
Brimfield, Saturday, 24 October
Light rain. High 70°, low 57°.
Pressure30.12 inHg
Wind14.9 mph S
Humidity45%
Visibility—
Dew point46°
Sun, 2563° / 47°0
63 °
Brimfield, Sunday, 25 October
Clear. High 63°, low 47°.
Pressure30.53 inHg
Wind11.2 mph NE
Humidity40%
Visibility—
Dew point36°
Mon, 2665° / 44°0
65 °
Brimfield, Monday, 26 October
Overcast. High 65°, low 44°.
Pressure30.42 inHg
Wind10 mph SE
Humidity46%
Visibility—
Dew point40°
Tue, 2775° / 59°0.06
75 °
Brimfield, Tuesday, 27 October
Light rain. High 75°, low 59°.
Pressure30.12 inHg
Wind14.7 mph SW
Humidity43%
Visibility—
Dew point47°
Wed, 2861° / 58°0.37
61 °
Brimfield, Wednesday, 28 October
Rain. High 61°, low 58°.
Pressure30.00 inHg
Wind14.4 mph S
Humidity88%
Visibility—
Dew point55°
Thu, 2968° / 59°0.17
68 °
Brimfield, Thursday, 29 October
Light rain. High 68°, low 59°.
Pressure29.91 inHg
Wind12.7 mph S
Humidity82%
Visibility—
Dew point60°
Fri, 3074° / 56°1.07
74 °
Brimfield, Friday, 30 October
Heavy rain. High 74°, low 56°.
Pressure29.71 inHg
Wind22.9 mph W
Humidity69%
Visibility—
Dew point62°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 3158° / 43°0.16
58 °
Brimfield, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high58°
Average low43°
Average precipitation0.16 in
Chance of precipitation38%
Record high75° (1968)
Record low22° (2019)
Sun, 0157° / 42°0.17
57 °
Brimfield, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high57°
Average low42°
Average precipitation0.17 in
Chance of precipitation30%
Record high77° (2016)
Record low22° (2019)
Mon, 0255° / 41°0.08
55 °
Brimfield, Monday, 2 November
Climate normal for this date — 60-year average.
Average high55°
Average low41°
Average precipitation0.08 in
Chance of precipitation28%
Record high75° (1961)
Record low23° (1991)
Tue, 0355° / 40°0.08
55 °
Brimfield, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high55°
Average low40°
Average precipitation0.08 in
Chance of precipitation23%
Record high74° (1964)
Record low17° (1991)
Wed, 0454° / 41°0.09
54 °
Brimfield, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high54°
Average low41°
Average precipitation0.09 in
Chance of precipitation22%
Record high74° (1978)
Record low16° (1991)
Thu, 0553° / 39°0.13
53 °
Brimfield, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high53°
Average low39°
Average precipitation0.13 in
Chance of precipitation25%
Record high74° (1978)
Record low19° (1991)
Fri, 0653° / 38°0.09
53 °
Brimfield, Friday, 6 November
Climate normal for this date — 60-year average.
Average high53°
Average low38°
Average precipitation0.09 in
Chance of precipitation28%
Record high71° (2020)
Record low23° (1991)
Sat, 0753° / 38°0.03
53 °
Brimfield, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high53°
Average low38°
Average precipitation0.03 in
Chance of precipitation18%
Record high70° (1966)
Record low16° (1991)
Sun, 0853° / 38°0.05
53 °
Brimfield, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high53°
Average low38°
Average precipitation0.05 in
Chance of precipitation22%
Record high76° (1999)
Record low13° (1991)
Mon, 0954° / 39°0.14
54 °
Brimfield, Monday, 9 November
Climate normal for this date — 60-year average.
Average high54°
Average low39°
Average precipitation0.14 in
Chance of precipitation35%
Record high73° (1999)
Record low16° (1991)
Tue, 1051° / 37°0.15
51 °
Brimfield, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.15 in
Chance of precipitation30%
Record high73° (2020)
Record low16° (2018)
Wed, 1149° / 35°0.07
49 °
Brimfield, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high49°
Average low35°
Average precipitation0.07 in
Chance of precipitation28%
Record high73° (1964)
Record low17° (2019)
Thu, 1248° / 34°0.07
48 °
Brimfield, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high48°
Average low34°
Average precipitation0.07 in
Chance of precipitation25%
Record high69° (2010)
Record low8° (2019)
Fri, 1349° / 34°0.06
49 °
Brimfield, Friday, 13 November
Climate normal for this date — 60-year average.
Average high49°
Average low34°
Average precipitation0.06 in
Chance of precipitation13%
Record high73° (1999)
Record low7° (1986)
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 Brimfield, 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 Brimfield, 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.