As of 07:29 CDT

Weather in Petrolia, IL

46°Current weather

Petrolia, Monday, 26 October, 07:29

Fog. Feels like 46°. High 77°, low 46°.

Pressure30.36 inHg
Wind0 mph N
Humidity100%
Visibility0.7 mi
Dew point46°
Tue, 2776° / 48°0Overcast
76 °Overcast

Petrolia, Tuesday, 27 October

Overcast. High 76°, low 48°.

Pressure30.27 inHg
Wind2.9 mph S
Humidity47%
Visibility6.2 mi
Dew point51°
Wed, 2874° / 50°0Clear
74 °Clear

Petrolia, Wednesday, 28 October

Clear. High 74°, low 50°.

Pressure30.24 inHg
Wind5.2 mph S
Humidity45%
Visibility6.2 mi
Dew point50°
Thu, 2978° / 54°0Clear
78 °Clear

Petrolia, Thursday, 29 October

Clear. High 78°, low 54°.

Pressure30.15 inHg
Wind9.3 mph SW
Humidity43%
Visibility6.2 mi
Dew point50°
Fri, 3078° / 56°0Overcast
78 °Overcast

Petrolia, Friday, 30 October

Overcast. High 78°, low 56°.

Pressure30.18 inHg
Wind6.2 mph SW
Humidity45%
Visibility—
Dew point52°
Sat, 3172° / 58°0Overcast
72 °Overcast

Petrolia, Saturday, 31 October

Overcast. High 72°, low 58°.

Pressure30.18 inHg
Wind6.5 mph SE
Humidity50%
Visibility—
Dew point51°
Sun, 0165° / 59°0.07Light rain
65 °Light rain

Petrolia, Sunday, 1 November

Light rain. High 65°, low 59°.

Pressure30.03 inHg
Wind7.2 mph SE
Humidity86%
Visibility—
Dew point60°
Mon, 0270° / 60°0.01Light rain
70 °Light rain

Petrolia, Monday, 2 November

Light rain. High 70°, low 60°.

Pressure29.91 inHg
Wind3.6 mph SE
Humidity72%
Visibility—
Dew point58°
Tue, 0364° / 53°0.42Rain
64 °Rain

Petrolia, Tuesday, 3 November

Rain. High 64°, low 53°.

Pressure29.83 inHg
Wind13.2 mph NW
Humidity93%
Visibility—
Dew point61°
Wed, 0462° / 47°0Partly cloudy
62 °Partly cloudy

Petrolia, Wednesday, 4 November

Partly cloudy. High 62°, low 47°.

Pressure29.91 inHg
Wind7.8 mph NW
Humidity52%
Visibility—
Dew point41°
Thu, 0563° / 48°0Mostly clear
63 °Mostly clear

Petrolia, Thursday, 5 November

Mostly clear. High 63°, low 48°.

Pressure30.06 inHg
Wind5.4 mph W
Humidity58%
Visibility—
Dew point46°
Fri, 0667° / 50°0Clear
67 °Clear

Petrolia, Friday, 6 November

Clear. High 67°, low 50°.

Pressure30.00 inHg
Wind7.2 mph SW
Humidity49%
Visibility—
Dew point44°
Sat, 0775° / 54°0Overcast
75 °Overcast

Petrolia, Saturday, 7 November

Overcast. High 75°, low 54°.

Pressure29.83 inHg
Wind14.9 mph SW
Humidity45%
Visibility—
Dew point48°
Sun, 0878° / 59°0Clear
78 °Clear

Petrolia, Sunday, 8 November

Clear. High 78°, low 59°.

Pressure29.91 inHg
Wind12.9 mph SW
Humidity43%
Visibility—
Dew point50°
Mon, 0976° / 57°0Clear
76 °Clear

Petrolia, Monday, 9 November

Clear. High 76°, low 57°.

Pressure29.94 inHg
Wind15.7 mph S
Humidity40%
Visibility—
Dew point46°
Tue, 1072° / 56°0Overcast
72 °Overcast

Petrolia, Tuesday, 10 November

Overcast. High 72°, low 56°.

Pressure29.97 inHg
Wind14.5 mph S
Humidity49%
Visibility—
Dew point50°

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.