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As of 23:25 CDT

Weather in Arno, MO

64°Current weather

Arno, Saturday, 10 October, 23:25

Clear. Feels like 64°. High 87°, low 58°.

Pressure29.97 inHg
Wind4.7 mph SE
Humidity72%
Visibility6.2 mi
Dew point55°
Sun, 1189° / 57°0Clear
89 °Clear

Arno, Sunday, 11 October

Clear. High 89°, low 57°.

Pressure30.03 inHg
Wind8.5 mph SW
Humidity43%
Visibility6.2 mi
Dew point58°
Mon, 1290° / 63°0Clear
90 °Clear

Arno, Monday, 12 October

Clear. High 90°, low 63°.

Pressure30.00 inHg
Wind12.8 mph SW
Humidity42%
Visibility6.2 mi
Dew point58°
Tue, 1388° / 67°0Clear
88 °Clear

Arno, Tuesday, 13 October

Clear. High 88°, low 67°.

Pressure29.94 inHg
Wind9.6 mph SW
Humidity56%
Visibility6.2 mi
Dew point67°
Wed, 1476° / 71°0.62Rain
76 °Rain

Arno, Wednesday, 14 October

Rain. High 76°, low 71°.

Pressure30.03 inHg
Wind6.3 mph SW
Humidity97%
Visibility2.5 mi
Dew point72°
Thu, 1576° / 69°1.04Rain
76 °Rain

Arno, Thursday, 15 October

Rain. High 76°, low 69°.

Pressure30.09 inHg
Wind7.3 mph SE
Humidity85%
Visibility—
Dew point70°
Fri, 1669° / 45°0.88Heavy rain
69 °Heavy rain

Arno, Friday, 16 October

Heavy rain. High 69°, low 45°.

Pressure30.33 inHg
Wind18.3 mph N
Humidity64%
Visibility—
Dew point49°
Sat, 1745° / 32°0Clear
45 °Clear

Arno, Saturday, 17 October

Clear. High 45°, low 32°.

Pressure30.59 inHg
Wind14.6 mph NW
Humidity35%
Visibility—
Dew point16°
Sun, 1853° / 28°0Clear
53 °Clear

Arno, Sunday, 18 October

Clear. High 53°, low 28°.

Pressure30.62 inHg
Wind6.6 mph S
Humidity28%
Visibility—
Dew point15°
Mon, 1963° / 34°0Clear
63 °Clear

Arno, Monday, 19 October

Clear. High 63°, low 34°.

Pressure30.47 inHg
Wind7.7 mph S
Humidity27%
Visibility—
Dew point22°
Tue, 2067° / 39°0Clear
67 °Clear

Arno, Tuesday, 20 October

Clear. High 67°, low 39°.

Pressure30.33 inHg
Wind7.4 mph S
Humidity25%
Visibility—
Dew point24°
Wed, 2172° / 43°0Partly cloudy
72 °Partly cloudy

Arno, Wednesday, 21 October

Partly cloudy. High 72°, low 43°.

Pressure30.21 inHg
Wind9 mph SW
Humidity28%
Visibility—
Dew point30°
Thu, 2272° / 49°0Clear
72 °Clear

Arno, Thursday, 22 October

Clear. High 72°, low 49°.

Pressure30.21 inHg
Wind6.9 mph NW
Humidity50%
Visibility—
Dew point49°
Fri, 2372° / 49°0Clear
72 °Clear

Arno, Friday, 23 October

Clear. High 72°, low 49°.

Pressure30.24 inHg
Wind5.2 mph NE
Humidity41%
Visibility—
Dew point43°
Sat, 2472° / 50°0Clear
72 °Clear

Arno, Saturday, 24 October

Clear. High 72°, low 50°.

Pressure30.24 inHg
Wind7.9 mph SE
Humidity41%
Visibility—
Dew point42°
Sun, 2576° / 51°0Clear
76 °Clear

Arno, Sunday, 25 October

Clear. High 76°, low 51°.

Pressure30.18 inHg
Wind7.4 mph S
Humidity36%
Visibility—
Dew point42°

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 Arno, MO 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 Arno, MO 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.