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As of 14:58 EDT

Weather in Mount Vernon, OH

66°Current weather

Mount Vernon, Thursday, 15 October, 14:58

Overcast. Feels like 66°. High 69°, low 56°.

Pressure30.03 inHg
Wind3.4 mph N
Humidity80%
Visibility6.2 mi
Dew point60°
Fri, 1670° / 48°0.26Rain
70 °Rain

Mount Vernon, Friday, 16 October

Rain. High 70°, low 48°.

Pressure29.85 inHg
Wind15.7 mph NW
Humidity78%
Visibility6.2 mi
Dew point51°
Sat, 1751° / 40°0Partly cloudy
51 °Partly cloudy

Mount Vernon, Saturday, 17 October

Partly cloudy. High 51°, low 40°.

Pressure30.47 inHg
Wind10.2 mph N
Humidity56%
Visibility6.2 mi
Dew point31°
Sun, 1859° / 37°0Clear
59 °Clear

Mount Vernon, Sunday, 18 October

Clear. High 59°, low 37°.

Pressure30.56 inHg
Wind6.8 mph S
Humidity45%
Visibility6.2 mi
Dew point34°
Mon, 1963° / 41°0Clear
63 °Clear

Mount Vernon, Monday, 19 October

Clear. High 63°, low 41°.

Pressure30.47 inHg
Wind5.1 mph S
Humidity51%
Visibility6.2 mi
Dew point39°
Tue, 2066° / 46°0Partly cloudy
66 °Partly cloudy

Mount Vernon, Tuesday, 20 October

Partly cloudy. High 66°, low 46°.

Pressure30.36 inHg
Wind4.1 mph NW
Humidity43%
Visibility—
Dew point40°
Wed, 2166° / 46°0Mostly clear
66 °Mostly clear

Mount Vernon, Wednesday, 21 October

Mostly clear. High 66°, low 46°.

Pressure30.33 inHg
Wind6.6 mph NE
Humidity42%
Visibility—
Dew point40°
Thu, 2267° / 46°0Clear
67 °Clear

Mount Vernon, Thursday, 22 October

Clear. High 67°, low 46°.

Pressure30.27 inHg
Wind6.4 mph NE
Humidity46%
Visibility—
Dew point43°
Fri, 2366° / 46°0Clear
66 °Clear

Mount Vernon, Friday, 23 October

Clear. High 66°, low 46°.

Pressure30.36 inHg
Wind8.9 mph E
Humidity37%
Visibility—
Dew point37°
Sat, 2461° / 41°0Overcast
61 °Overcast

Mount Vernon, Saturday, 24 October

Overcast. High 61°, low 41°.

Pressure30.36 inHg
Wind11.7 mph SE
Humidity55%
Visibility—
Dew point41°
Sun, 2570° / 47°0Partly cloudy
70 °Partly cloudy

Mount Vernon, Sunday, 25 October

Partly cloudy. High 70°, low 47°.

Pressure30.39 inHg
Wind8.1 mph NE
Humidity51%
Visibility—
Dew point47°
Mon, 2663° / 44°0Partly cloudy
63 °Partly cloudy

Mount Vernon, Monday, 26 October

Partly cloudy. High 63°, low 44°.

Pressure30.47 inHg
Wind10 mph NE
Humidity47%
Visibility—
Dew point40°
Tue, 2770° / 44°0Overcast
70 °Overcast

Mount Vernon, Tuesday, 27 October

Overcast. High 70°, low 44°.

Pressure30.24 inHg
Wind13 mph SW
Humidity54%
Visibility—
Dew point47°
Wed, 2867° / 56°0Overcast
67 °Overcast

Mount Vernon, Wednesday, 28 October

Overcast. High 67°, low 56°.

Pressure30.15 inHg
Wind7.6 mph SW
Humidity55%
Visibility—
Dew point49°
Thu, 2959° / 54°0.19Light rain
59 °Light rain

Mount Vernon, Thursday, 29 October

Light rain. High 59°, low 54°.

Pressure30.15 inHg
Wind11.2 mph SW
Humidity75%
Visibility—
Dew point49°
Fri, 3062° / 56°1.81Heavy rain
62 °Heavy rain

Mount Vernon, Friday, 30 October

Heavy rain. High 62°, low 56°.

Pressure29.91 inHg
Wind16.2 mph S
Humidity96%
Visibility—
Dew point56°

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.