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As of 08:24 CDT

Weather in Raritan, IL

43°Current weather

Raritan, Sunday, 18 October, 08:24

Clear. Feels like 38°. High 62°, low 40°.

Pressure30.42 inHg
Wind7 mph S
Humidity80%
Visibility6.2 mi
Dew point37°
Mon, 1965° / 39°0Partly cloudy
65 °Partly cloudy

Raritan, Monday, 19 October

Partly cloudy. High 65°, low 39°.

Pressure30.39 inHg
Wind5 mph S
Humidity55%
Visibility6.2 mi
Dew point45°
Tue, 2067° / 44°0Clear
67 °Clear

Raritan, Tuesday, 20 October

Clear. High 67°, low 44°.

Pressure30.36 inHg
Wind5.8 mph SE
Humidity50%
Visibility6.2 mi
Dew point45°
Wed, 2169° / 47°0Clear
69 °Clear

Raritan, Wednesday, 21 October

Clear. High 69°, low 47°.

Pressure30.27 inHg
Wind4 mph S
Humidity52%
Visibility6.2 mi
Dew point49°
Thu, 2269° / 49°0Clear
69 °Clear

Raritan, Thursday, 22 October

Clear. High 69°, low 49°.

Pressure30.30 inHg
Wind5.8 mph E
Humidity50%
Visibility—
Dew point47°
Fri, 2367° / 50°0Mostly clear
67 °Mostly clear

Raritan, Friday, 23 October

Mostly clear. High 67°, low 50°.

Pressure30.30 inHg
Wind9.8 mph SE
Humidity53%
Visibility—
Dew point46°
Sat, 2477° / 56°0Overcast
77 °Overcast

Raritan, Saturday, 24 October

Overcast. High 77°, low 56°.

Pressure30.21 inHg
Wind14.7 mph S
Humidity40%
Visibility—
Dew point44°
Sun, 2558° / 53°0.01Light rain
58 °Light rain

Raritan, Sunday, 25 October

Light rain. High 58°, low 53°.

Pressure30.45 inHg
Wind12 mph N
Humidity41%
Visibility—
Dew point33°
Mon, 2659° / 50°0.08Light rain
59 °Light rain

Raritan, Monday, 26 October

Light rain. High 59°, low 50°.

Pressure30.27 inHg
Wind6.5 mph E
Humidity76%
Visibility—
Dew point46°
Tue, 2767° / 56°0Overcast
67 °Overcast

Raritan, Tuesday, 27 October

Overcast. High 67°, low 56°.

Pressure30.21 inHg
Wind8.7 mph SE
Humidity43%
Visibility—
Dew point42°
Wed, 2866° / 57°0.03Light rain
66 °Light rain

Raritan, Wednesday, 28 October

Light rain. High 66°, low 57°.

Pressure29.91 inHg
Wind11.9 mph S
Humidity73%
Visibility—
Dew point53°
Thu, 2973° / 59°0.08Light rain
73 °Light rain

Raritan, Thursday, 29 October

Light rain. High 73°, low 59°.

Pressure29.77 inHg
Wind8 mph W
Humidity57%
Visibility—
Dew point54°
Fri, 3076° / 55°0.35Rain
76 °Rain

Raritan, Friday, 30 October

Rain. High 76°, low 55°.

Pressure29.65 inHg
Wind19.3 mph SE
Humidity62%
Visibility—
Dew point56°
Sat, 3165° / 45°0.09Light rain
65 °Light rain

Raritan, Saturday, 31 October

Light rain. High 65°, low 45°.

Pressure29.74 inHg
Wind22.9 mph SW
Humidity44%
Visibility—
Dew point28°
Sun, 0150° / 36°0Partly cloudy
50 °Partly cloudy

Raritan, Sunday, 1 November

Partly cloudy. High 50°, low 36°.

Pressure30.24 inHg
Wind18.1 mph W
Humidity49%
Visibility—
Dew point28°
Mon, 0259° / 38°0Overcast
59 °Overcast

Raritan, Monday, 2 November

Overcast. High 59°, low 38°.

Pressure30.36 inHg
Wind12.9 mph S
Humidity36%
Visibility—
Dew point27°

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 Raritan, 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 Raritan, 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.