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As of 15:05 CDT

Weather in Arrowsmith, IL

82°Current weather

Arrowsmith, Wednesday, 7 October, 15:05

Mostly clear. Feels like 82°. High 82°, low 54°.

Pressure29.83 inHg
Wind4 mph NW
Humidity45%
Visibility6.2 mi
Dew point59°
Thu, 0875° / 51°0Overcast
75 °Overcast

Arrowsmith, Thursday, 8 October

Overcast. High 75°, low 51°.

Pressure30.12 inHg
Wind2.6 mph NW
Humidity42%
Visibility6.2 mi
Dew point46°
Fri, 0980° / 50°0Clear
80 °Clear

Arrowsmith, Friday, 9 October

Clear. High 80°, low 50°.

Pressure30.15 inHg
Wind11.4 mph S
Humidity39%
Visibility6.2 mi
Dew point49°
Sat, 1083° / 60°0Clear
83 °Clear

Arrowsmith, Saturday, 10 October

Clear. High 83°, low 60°.

Pressure30.12 inHg
Wind10.3 mph S
Humidity44%
Visibility6.2 mi
Dew point56°
Sun, 1167° / 60°0.28Rain
67 °Rain

Arrowsmith, Sunday, 11 October

Rain. High 67°, low 60°.

Pressure29.85 inHg
Wind7.4 mph E
Humidity83%
Visibility5.7 mi
Dew point59°
Mon, 1281° / 56°0Clear
81 °Clear

Arrowsmith, Monday, 12 October

Clear. High 81°, low 56°.

Pressure29.83 inHg
Wind10.2 mph SW
Humidity51%
Visibility—
Dew point56°
Tue, 1370° / 49°0Clear
70 °Clear

Arrowsmith, Tuesday, 13 October

Clear. High 70°, low 49°.

Pressure29.97 inHg
Wind18.6 mph NW
Humidity57%
Visibility—
Dew point49°
Wed, 1462° / 42°0Partly cloudy
62 °Partly cloudy

Arrowsmith, Wednesday, 14 October

Partly cloudy. High 62°, low 42°.

Pressure30.18 inHg
Wind10.2 mph E
Humidity45%
Visibility—
Dew point36°
Thu, 1578° / 51°0Clear
78 °Clear

Arrowsmith, Thursday, 15 October

Clear. High 78°, low 51°.

Pressure29.94 inHg
Wind16.9 mph S
Humidity30%
Visibility—
Dew point37°
Fri, 1683° / 57°0.03Light rain
83 °Light rain

Arrowsmith, Friday, 16 October

Light rain. High 83°, low 57°.

Pressure29.80 inHg
Wind16.7 mph W
Humidity53%
Visibility—
Dew point62°
Sat, 1759° / 46°0Clear
59 °Clear

Arrowsmith, Saturday, 17 October

Clear. High 59°, low 46°.

Pressure30.03 inHg
Wind13.6 mph W
Humidity47%
Visibility—
Dew point37°
Sun, 1850° / 46°0Overcast
50 °Overcast

Arrowsmith, Sunday, 18 October

Overcast. High 50°, low 46°.

Pressure30.09 inHg
Wind16.1 mph W
Humidity60%
Visibility—
Dew point35°
Mon, 1958° / 45°0Mostly clear
58 °Mostly clear

Arrowsmith, Monday, 19 October

Mostly clear. High 58°, low 45°.

Pressure30.18 inHg
Wind9.6 mph NW
Humidity51%
Visibility—
Dew point37°
Tue, 2066° / 44°0Clear
66 °Clear

Arrowsmith, Tuesday, 20 October

Clear. High 66°, low 44°.

Pressure30.18 inHg
Wind9.2 mph NW
Humidity42%
Visibility—
Dew point38°
Wed, 2157° / 43°0Clear
57 °Clear

Arrowsmith, Wednesday, 21 October

Clear. High 57°, low 43°.

Pressure30.27 inHg
Wind9.3 mph NE
Humidity45%
Visibility—
Dew point33°
Thu, 2256° / 38°0Overcast
56 °Overcast

Arrowsmith, Thursday, 22 October

Overcast. High 56°, low 38°.

Pressure30.27 inHg
Wind6.2 mph E
Humidity36%
Visibility—
Dew point26°

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 Arrowsmith, 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 Arrowsmith, 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.