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As of 12:30 EDT

Weather in Mount Vernon, OH

61°Current weather

Mount Vernon, Sunday, 11 October, 12:30

Overcast. Feels like 61°. High 62°, low 56°.

Pressure29.94 inHg
Wind11.5 mph E
Humidity97%
Visibility6.2 mi
Dew point60°
Mon, 1273° / 54°0Overcast
73 °Overcast

Mount Vernon, Monday, 12 October

Overcast. High 73°, low 54°.

Pressure30.00 inHg
Wind6.1 mph SW
Humidity73%
Visibility6.2 mi
Dew point60°
Tue, 1380° / 63°0Clear
80 °Clear

Mount Vernon, Tuesday, 13 October

Clear. High 80°, low 63°.

Pressure29.88 inHg
Wind12.8 mph SW
Humidity63%
Visibility6.2 mi
Dew point62°
Wed, 1477° / 65°0.06Rain
77 °Rain

Mount Vernon, Wednesday, 14 October

Rain. High 77°, low 65°.

Pressure30.00 inHg
Wind7.6 mph W
Humidity82%
Visibility6.2 mi
Dew point66°
Thu, 1565° / 54°0.01Light rain
65 °Light rain

Mount Vernon, Thursday, 15 October

Light rain. High 65°, low 54°.

Pressure30.21 inHg
Wind7.7 mph E
Humidity67%
Visibility6.2 mi
Dew point50°
Fri, 1668° / 50°0.84Heavy rain
68 °Heavy rain

Mount Vernon, Friday, 16 October

Heavy rain. High 68°, low 50°.

Pressure30.00 inHg
Wind21.2 mph NW
Humidity58%
Visibility—
Dew point47°
Sat, 1744° / 33°0Overcast
44 °Overcast

Mount Vernon, Saturday, 17 October

Overcast. High 44°, low 33°.

Pressure30.27 inHg
Wind22.7 mph NW
Humidity31%
Visibility—
Dew point11°
Sun, 1846° / 26°0Clear
46 °Clear

Mount Vernon, Sunday, 18 October

Clear. High 46°, low 26°.

Pressure30.56 inHg
Wind9.2 mph NW
Humidity34%
Visibility—
Dew point17°
Mon, 1956° / 31°0Mostly clear
56 °Mostly clear

Mount Vernon, Monday, 19 October

Mostly clear. High 56°, low 31°.

Pressure30.45 inHg
Wind15.2 mph SW
Humidity33%
Visibility—
Dew point24°
Tue, 2062° / 40°0Clear
62 °Clear

Mount Vernon, Tuesday, 20 October

Clear. High 62°, low 40°.

Pressure30.39 inHg
Wind6.9 mph SW
Humidity36%
Visibility—
Dew point32°
Wed, 2162° / 42°0Overcast
62 °Overcast

Mount Vernon, Wednesday, 21 October

Overcast. High 62°, low 42°.

Pressure30.36 inHg
Wind5.6 mph E
Humidity43%
Visibility—
Dew point36°
Thu, 2267° / 45°0Partly cloudy
67 °Partly cloudy

Mount Vernon, Thursday, 22 October

Partly cloudy. High 67°, low 45°.

Pressure30.30 inHg
Wind3 mph E
Humidity40%
Visibility—
Dew point39°
Fri, 2367° / 45°0Clear
67 °Clear

Mount Vernon, Friday, 23 October

Clear. High 67°, low 45°.

Pressure30.21 inHg
Wind3 mph SE
Humidity44%
Visibility—
Dew point42°
Sat, 2467° / 49°0Partly cloudy
67 °Partly cloudy

Mount Vernon, Saturday, 24 October

Partly cloudy. High 67°, low 49°.

Pressure30.12 inHg
Wind8.3 mph N
Humidity53%
Visibility—
Dew point47°
Sun, 2563° / 45°0Clear
63 °Clear

Mount Vernon, Sunday, 25 October

Clear. High 63°, low 45°.

Pressure30.06 inHg
Wind7.8 mph SE
Humidity49%
Visibility—
Dew point41°
Mon, 2656° / 48°0.31Rain
56 °Rain

Mount Vernon, Monday, 26 October

Rain. High 56°, low 48°.

Pressure29.74 inHg
Wind17 mph W
Humidity51%
Visibility—
Dew point37°

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 Mount Vernon, OH 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 Mount Vernon, OH 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.