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As of 13:47 CDT

Weather in Princeton, IL

73°Current weather

Princeton, Thursday, 22 October, 13:47

Clear. Feels like 72°. High 73°, low 46°.

Pressure30.21 inHg
Wind2.9 mph SE
Humidity47%
Visibility6.2 mi
Dew point52°
Fri, 2372° / 47°0Clear
72 °Clear

Princeton, Friday, 23 October

Clear. High 72°, low 47°.

Pressure30.30 inHg
Wind7.2 mph SE
Humidity54%
Visibility6.2 mi
Dew point50°
Sat, 2469° / 48°0Overcast
69 °Overcast

Princeton, Saturday, 24 October

Overcast. High 69°, low 48°.

Pressure30.36 inHg
Wind7.8 mph S
Humidity57%
Visibility6.2 mi
Dew point50°
Sun, 2572° / 50°0Clear
72 °Clear

Princeton, Sunday, 25 October

Clear. High 72°, low 50°.

Pressure30.39 inHg
Wind4.8 mph S
Humidity54%
Visibility6.2 mi
Dew point51°
Mon, 2670° / 50°0Overcast
70 °Overcast

Princeton, Monday, 26 October

Overcast. High 70°, low 50°.

Pressure30.33 inHg
Wind2.7 mph SE
Humidity61%
Visibility6.2 mi
Dew point52°
Tue, 2768° / 51°0Overcast
68 °Overcast

Princeton, Tuesday, 27 October

Overcast. High 68°, low 51°.

Pressure30.27 inHg
Wind8 mph E
Humidity65%
Visibility—
Dew point51°
Wed, 2866° / 52°0Partly cloudy
66 °Partly cloudy

Princeton, Wednesday, 28 October

Partly cloudy. High 66°, low 52°.

Pressure30.09 inHg
Wind9.6 mph SW
Humidity56%
Visibility—
Dew point48°
Thu, 2958° / 43°0.01Light rain
58 °Light rain

Princeton, Thursday, 29 October

Light rain. High 58°, low 43°.

Pressure30.21 inHg
Wind18.1 mph NW
Humidity51%
Visibility—
Dew point34°
Fri, 3054° / 37°0Mostly clear
54 °Mostly clear

Princeton, Friday, 30 October

Mostly clear. High 54°, low 37°.

Pressure30.30 inHg
Wind6.9 mph SE
Humidity38%
Visibility—
Dew point25°
Sat, 3155° / 45°0.56Rain
55 °Rain

Princeton, Saturday, 31 October

Rain. High 55°, low 45°.

Pressure30.03 inHg
Wind14.7 mph S
Humidity95%
Visibility—
Dew point47°
Sun, 0160° / 54°0.24Light rain
60 °Light rain

Princeton, Sunday, 1 November

Light rain. High 60°, low 54°.

Pressure30.00 inHg
Wind16.3 mph S
Humidity86%
Visibility—
Dew point55°
Mon, 0262° / 50°0Partly cloudy
62 °Partly cloudy

Princeton, Monday, 2 November

Partly cloudy. High 62°, low 50°.

Pressure30.18 inHg
Wind7.8 mph N
Humidity44%
Visibility—
Dew point38°
Tue, 0363° / 45°0Clear
63 °Clear

Princeton, Tuesday, 3 November

Clear. High 63°, low 45°.

Pressure30.15 inHg
Wind11.1 mph W
Humidity46%
Visibility—
Dew point38°
Wed, 0454° / 42°0Partly cloudy
54 °Partly cloudy

Princeton, Wednesday, 4 November

Partly cloudy. High 54°, low 42°.

Pressure30.24 inHg
Wind8.2 mph NE
Humidity39%
Visibility—
Dew point27°
Thu, 0555° / 38°0.01Light rain
55 °Light rain

Princeton, Thursday, 5 November

Light rain. High 55°, low 38°.

Pressure30.21 inHg
Wind12.3 mph S
Humidity50%
Visibility—
Dew point33°
Fri, 0650° / 43°0.37Rain
50 °Rain

Princeton, Friday, 6 November

Rain. High 50°, low 43°.

Pressure30.03 inHg
Wind15.4 mph SE
Humidity81%
Visibility—
Dew point40°

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 Princeton, 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 Princeton, 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.