As of 03:10 CDT

Weather in Bolton, IL

45°Current weather

Bolton, Monday, 19 October, 03:10

Clear. Feels like 44°. High 66°, low 42°.

Pressure30.36 inHg
Wind3.4 mph SW
Humidity76%
Visibility6.2 mi
Dew point38°

Monthly outlook for Bolton, IL: average high 59.9°, average low 45.1°. That is 2.3° above the climate normal for October. Precipitation is expected on 7 days (about 2.4 inches), against a normal of 5 days and 1.5 inches. The warmest day looks like 30 October (68.6°), the coolest 1 November (35.8°).

59.9°/45.1°
Average high / low
+2.3°
Above normal
7 / 5
Wet days / normal
2.4 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
19 October – 28 October62.3°56.9°+3°
29 October – 7 November55.7°52.5°+1.8°
8 November – 17 Novemberat normal46.7°—

October records over 66 years

86.4°3 October 2025All-time high
21.4°30 October 1988All-time low

Climate normals and records are computed from the nearest reference point — Freeport (6 mi).

Tue, 2068° / 41°0Clear
68 °Clear

Bolton, Tuesday, 20 October

Clear. High 68°, low 41°.

Pressure30.39 inHg
Wind5.1 mph SE
Humidity50%
Visibility6.2 mi
Dew point44°
Wed, 2167° / 44°0Clear
67 °Clear

Bolton, Wednesday, 21 October

Clear. High 67°, low 44°.

Pressure30.30 inHg
Wind4.8 mph SW
Humidity58%
Visibility6.2 mi
Dew point49°
Thu, 2268° / 47°0Clear
68 °Clear

Bolton, Thursday, 22 October

Clear. High 68°, low 47°.

Pressure30.33 inHg
Wind2.7 mph E
Humidity64%
Visibility6.2 mi
Dew point52°
Fri, 2365° / 49°0Mostly clear
65 °Mostly clear

Bolton, Friday, 23 October

Mostly clear. High 65°, low 49°.

Pressure30.36 inHg
Wind8.2 mph SE
Humidity57%
Visibility—
Dew point48°
Sat, 2466° / 49°0Overcast
66 °Overcast

Bolton, Saturday, 24 October

Overcast. High 66°, low 49°.

Pressure30.33 inHg
Wind12.8 mph S
Humidity55%
Visibility—
Dew point46°
Sun, 2557° / 46°0.1Light rain
57 °Light rain

Bolton, Sunday, 25 October

Light rain. High 57°, low 46°.

Pressure30.30 inHg
Wind15.7 mph NW
Humidity38%
Visibility—
Dew point30°
Mon, 2660° / 42°0.15Rain
60 °Rain

Bolton, Monday, 26 October

Rain. High 60°, low 42°.

Pressure30.15 inHg
Wind16.2 mph S
Humidity49%
Visibility—
Dew point35°
Tue, 2754° / 46°0.45Rain
54 °Rain

Bolton, Tuesday, 27 October

Rain. High 54°, low 46°.

Pressure30.18 inHg
Wind11.7 mph NE
Humidity90%
Visibility—
Dew point44°
Wed, 2852° / 46°0.06Light rain
52 °Light rain

Bolton, Wednesday, 28 October

Light rain. High 52°, low 46°.

Pressure30.15 inHg
Wind10.1 mph E
Humidity96%
Visibility—
Dew point48°
Thu, 2957° / 52°0Overcast
57 °Overcast

Bolton, Thursday, 29 October

Overcast. High 57°, low 52°.

Pressure30.00 inHg
Wind13.9 mph SE
Humidity90%
Visibility—
Dew point53°
Fri, 3069° / 56°0.04Light rain
69 °Light rain

Bolton, Friday, 30 October

Light rain. High 69°, low 56°.

Pressure29.71 inHg
Wind22.2 mph SW
Humidity45%
Visibility—
Dew point46°
Sat, 3157° / 45°0Overcast
57 °Overcast

Bolton, Saturday, 31 October

Overcast. High 57°, low 45°.

Pressure30.03 inHg
Wind13.2 mph W
Humidity34%
Visibility—
Dew point27°
Sun, 0149° / 36°1.52Snow
49 °Snow

Bolton, Sunday, 1 November

Snow. High 49°, low 36°.

Pressure29.83 inHg
Wind21.7 mph NE
Humidity71%
Visibility—
Dew point35°
Mon, 0253° / 37°0Clear
53 °Clear

Bolton, Monday, 2 November

Clear. High 53°, low 37°.

Pressure30.00 inHg
Wind12 mph NW
Humidity48%
Visibility—
Dew point30°
Tue, 0349° / 44°0.11Light rain
49 °Light rain

Bolton, Tuesday, 3 November

Light rain. High 49°, low 44°.

Pressure29.91 inHg
Wind17.9 mph S
Humidity92%
Visibility—
Dew point46°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 0451° / 39°0.09Climate normal
51 °Climate normal

Bolton, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high51°
Average low39°
Average precipitation0.09 in
Chance of precipitation28%
Record high70° (2015)
Record low13° (1991)
Thu, 0551° / 37°0.1Climate normal
51 °Climate normal

Bolton, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high51°
Average low37°
Average precipitation0.1 in
Chance of precipitation22%
Record high70° (1978)
Record low18° (1991)
Fri, 0651° / 36°0.08Climate normal
51 °Climate normal

Bolton, Friday, 6 November

Climate normal for this date — 60-year average.

Average high51°
Average low36°
Average precipitation0.08 in
Chance of precipitation35%
Record high69° (2020)
Record low20° (1991)
Sat, 0750° / 36°0.03Climate normal
50 °Climate normal

Bolton, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high50°
Average low36°
Average precipitation0.03 in
Chance of precipitation18%
Record high68° (2020)
Record low10° (1991)
Sun, 0850° / 36°0.05Climate normal
50 °Climate normal

Bolton, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high50°
Average low36°
Average precipitation0.05 in
Chance of precipitation15%
Record high71° (2020)
Record low13° (1991)
Mon, 0949° / 36°0.12Climate normal
49 °Climate normal

Bolton, Monday, 9 November

Climate normal for this date — 60-year average.

Average high49°
Average low36°
Average precipitation0.12 in
Chance of precipitation35%
Record high73° (2020)
Record low17° (1991)
Tue, 1048° / 35°0.09Climate normal
48 °Climate normal

Bolton, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high48°
Average low35°
Average precipitation0.09 in
Chance of precipitation30%
Record high71° (2022)
Record low15° (2017)
Wed, 1146° / 32°0.07Climate normal
46 °Climate normal

Bolton, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high46°
Average low32°
Average precipitation0.07 in
Chance of precipitation27%
Record high69° (1964)
Record low12° (2019)
Thu, 1245° / 31°0.06Climate normal
45 °Climate normal

Bolton, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high45°
Average low31°
Average precipitation0.06 in
Chance of precipitation28%
Record high64° (1964)
Record low2° (2019)
Fri, 1345° / 31°0.04Climate normal
45 °Climate normal

Bolton, Friday, 13 November

Climate normal for this date — 60-year average.

Average high45°
Average low31°
Average precipitation0.04 in
Chance of precipitation17%
Record high69° (1999)
Record low7° (1986)
Sat, 1446° / 32°0.06Climate normal
46 °Climate normal

Bolton, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high46°
Average low32°
Average precipitation0.06 in
Chance of precipitation32%
Record high67° (2025)
Record low14° (1986)
Sun, 1546° / 33°0.07Climate normal
46 °Climate normal

Bolton, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high46°
Average low33°
Average precipitation0.07 in
Chance of precipitation27%
Record high68° (2025)
Record low9° (1995)
Mon, 1646° / 32°0.06Climate normal
46 °Climate normal

Bolton, Monday, 16 November

Climate normal for this date — 60-year average.

Average high46°
Average low32°
Average precipitation0.06 in
Chance of precipitation20%
Record high62° (1988)
Record low17° (2019)
Tue, 1746° / 33°0.11Climate normal
46 °Climate normal

Bolton, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high46°
Average low33°
Average precipitation0.11 in
Chance of precipitation22%
Record high70° (2016)
Record low14° (2005)

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 Bolton, 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 Bolton, 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.