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As of 16:10 CDT

Weather in Arno, MO

91°Current weather

Arno, Saturday, 8 August, 16:10

Clear. Feels like 99°. High 92°, low 68°.

Pressure30.00 inHg
Wind5.4 mph S
Humidity53%
Visibility6.2 mi
Dew point71°
Sun, 0996° / 70°0Partly cloudy
96 °Partly cloudy

Arno, Sunday, 9 August

Partly cloudy. High 96°, low 70°.

Pressure29.97 inHg
Wind9.1 mph S
Humidity38%
Visibility6.2 mi
Dew point63°
Mon, 10101° / 71°0Clear
101 °Clear

Arno, Monday, 10 August

Clear. High 101°, low 71°.

Pressure30.00 inHg
Wind10.6 mph SW
Humidity36%
Visibility6.2 mi
Dew point64°
Tue, 11104° / 74°0Clear
104 °Clear

Arno, Tuesday, 11 August

Clear. High 104°, low 74°.

Pressure29.91 inHg
Wind11.9 mph SW
Humidity35%
Visibility6.2 mi
Dew point64°
Wed, 12100° / 78°0.07Light rain
100 °Light rain

Arno, Wednesday, 12 August

Light rain. High 100°, low 78°.

Pressure29.85 inHg
Wind9 mph W
Humidity34%
Visibility6.2 mi
Dew point62°
Thu, 1390° / 74°0.05Light rain
90 °Light rain

Arno, Thursday, 13 August

Light rain. High 90°, low 74°.

Pressure29.85 inHg
Wind10.2 mph SW
Humidity54%
Visibility—
Dew point67°
Fri, 1484° / 71°0.21Rain
84 °Rain

Arno, Friday, 14 August

Rain. High 84°, low 71°.

Pressure30.09 inHg
Wind9.5 mph E
Humidity67%
Visibility—
Dew point69°
Sat, 1586° / 64°0.06Light rain
86 °Light rain

Arno, Saturday, 15 August

Light rain. High 86°, low 64°.

Pressure30.21 inHg
Wind10.9 mph SE
Humidity54%
Visibility—
Dew point61°
Sun, 1692° / 68°0.08Light rain
92 °Light rain

Arno, Sunday, 16 August

Light rain. High 92°, low 68°.

Pressure30.12 inHg
Wind11.1 mph S
Humidity59%
Visibility—
Dew point69°
Mon, 17102° / 74°0Overcast
102 °Overcast

Arno, Monday, 17 August

Overcast. High 102°, low 74°.

Pressure29.94 inHg
Wind15.7 mph SW
Humidity26%
Visibility—
Dew point57°
Tue, 18100° / 71°0.61Heavy rain
100 °Heavy rain

Arno, Tuesday, 18 August

Heavy rain. High 100°, low 71°.

Pressure29.94 inHg
Wind15.6 mph N
Humidity35%
Visibility—
Dew point65°
Wed, 19107° / 70°0Clear
107 °Clear

Arno, Wednesday, 19 August

Clear. High 107°, low 70°.

Pressure29.85 inHg
Wind6.8 mph W
Humidity30%
Visibility—
Dew point59°
Thu, 2091° / 72°0.2Light rain
91 °Light rain

Arno, Thursday, 20 August

Light rain. High 91°, low 72°.

Pressure29.88 inHg
Wind6.9 mph SE
Humidity59%
Visibility—
Dew point68°
Fri, 2193° / 71°0.04Light rain
93 °Light rain

Arno, Friday, 21 August

Light rain. High 93°, low 71°.

Pressure29.85 inHg
Wind12.1 mph NE
Humidity49%
Visibility—
Dew point67°
Sat, 2287° / 72°0.32Light rain
87 °Light rain

Arno, Saturday, 22 August

Light rain. High 87°, low 72°.

Pressure29.94 inHg
Wind6.2 mph E
Humidity79%
Visibility—
Dew point71°
Sun, 2388° / 67°0Partly cloudy
88 °Partly cloudy

Arno, Sunday, 23 August

Partly cloudy. High 88°, low 67°.

Pressure30.03 inHg
Wind9.9 mph E
Humidity45%
Visibility—
Dew point59°

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.