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As of 15:27 CDT

Weather in Petrolia, IL

72°Current weather

Petrolia, Friday, 30 October, 15:27

Overcast. Feels like 70°. High 72°, low 53°.

Pressure30.24 inHg
Wind8.1 mph NE
Humidity35%
Visibility6.2 mi
Dew point42°
Sat, 3171° / 55°0Overcast
71 °Overcast

Petrolia, Saturday, 31 October

Overcast. High 71°, low 55°.

Pressure30.30 inHg
Wind7.3 mph SE
Humidity43%
Visibility6.2 mi
Dew point42°
Sun, 0162° / 55°0.16Rain
62 °Rain

Petrolia, Sunday, 1 November

Rain. High 62°, low 55°.

Pressure30.33 inHg
Wind6 mph E
Humidity83%
Visibility6.2 mi
Dew point55°
Mon, 0269° / 54°0.01Light rain
69 °Light rain

Petrolia, Monday, 2 November

Light rain. High 69°, low 54°.

Pressure30.18 inHg
Wind10.9 mph S
Humidity59%
Visibility6.2 mi
Dew point49°
Tue, 0366° / 61°0.02Light rain
66 °Light rain

Petrolia, Tuesday, 3 November

Light rain. High 66°, low 61°.

Pressure29.97 inHg
Wind12.4 mph SE
Humidity77%
Visibility6.2 mi
Dew point57°
Wed, 0469° / 64°0.29Rain
69 °Rain

Petrolia, Wednesday, 4 November

Rain. High 69°, low 64°.

Pressure29.71 inHg
Wind12.6 mph S
Humidity87%
Visibility—
Dew point64°
Thu, 0572° / 55°0Partly cloudy
72 °Partly cloudy

Petrolia, Thursday, 5 November

Partly cloudy. High 72°, low 55°.

Pressure29.97 inHg
Wind6.8 mph W
Humidity43%
Visibility—
Dew point46°
Fri, 0673° / 53°0Mostly clear
73 °Mostly clear

Petrolia, Friday, 6 November

Mostly clear. High 73°, low 53°.

Pressure30.00 inHg
Wind6.1 mph S
Humidity47%
Visibility—
Dew point47°
Sat, 0774° / 56°0Overcast
74 °Overcast

Petrolia, Saturday, 7 November

Overcast. High 74°, low 56°.

Pressure30.06 inHg
Wind5.9 mph SE
Humidity51%
Visibility—
Dew point51°
Sun, 0870° / 62°0Overcast
70 °Overcast

Petrolia, Sunday, 8 November

Overcast. High 70°, low 62°.

Pressure30.15 inHg
Wind6.6 mph E
Humidity69%
Visibility—
Dew point58°
Mon, 0977° / 59°0Overcast
77 °Overcast

Petrolia, Monday, 9 November

Overcast. High 77°, low 59°.

Pressure30.18 inHg
Wind8.8 mph E
Humidity54%
Visibility—
Dew point56°
Tue, 1066° / 62°0.56Rain
66 °Rain

Petrolia, Tuesday, 10 November

Rain. High 66°, low 62°.

Pressure30.09 inHg
Wind9.6 mph S
Humidity94%
Visibility—
Dew point64°
Wed, 1173° / 58°0.15Light rain
73 °Light rain

Petrolia, Wednesday, 11 November

Light rain. High 73°, low 58°.

Pressure29.94 inHg
Wind9.3 mph SW
Humidity55%
Visibility—
Dew point53°
Thu, 1277° / 59°0.01Light rain
77 °Light rain

Petrolia, Thursday, 12 November

Light rain. High 77°, low 59°.

Pressure29.80 inHg
Wind16.2 mph S
Humidity52%
Visibility—
Dew point56°
Fri, 1367° / 58°1.52Heavy rain
67 °Heavy rain

Petrolia, Friday, 13 November

Heavy rain. High 67°, low 58°.

Pressure29.62 inHg
Wind20.3 mph S
Humidity83%
Visibility—
Dew point61°
Sat, 1460° / 50°0Overcast
60 °Overcast

Petrolia, Saturday, 14 November

Overcast. High 60°, low 50°.

Pressure29.74 inHg
Wind16.5 mph W
Humidity56%
Visibility—
Dew point43°

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 Petrolia, 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 Petrolia, 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.