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As of 18:52 CDT

Weather in Mount Vernon, WI

77°Current weather

Mount Vernon, Saturday, 8 August, 18:52

Clear. Feels like 77°. High 80°, low 65°.

Pressure30.00 inHg
Wind4.6 mph SW
Humidity68%
Visibility6.2 mi
Dew point65°
Sun, 0983° / 63°0.9Heavy rain
83 °Heavy rain

Mount Vernon, Sunday, 9 August

Heavy rain. High 83°, low 63°.

Pressure29.88 inHg
Wind8.9 mph S
Humidity91%
Visibility6.2 mi
Dew point68°
Mon, 1084° / 71°0.08Light rain
84 °Light rain

Mount Vernon, Monday, 10 August

Light rain. High 84°, low 71°.

Pressure29.88 inHg
Wind1.4 mph W
Humidity75%
Visibility6.2 mi
Dew point72°
Tue, 1179° / 67°0.19Rain
79 °Rain

Mount Vernon, Tuesday, 11 August

Rain. High 79°, low 67°.

Pressure29.83 inHg
Wind14.5 mph E
Humidity90%
Visibility6.2 mi
Dew point70°
Wed, 1285° / 65°0.01Light rain
85 °Light rain

Mount Vernon, Wednesday, 12 August

Light rain. High 85°, low 65°.

Pressure29.85 inHg
Wind3.8 mph W
Humidity65%
Visibility6.2 mi
Dew point69°
Thu, 1372° / 59°0.09Light rain
72 °Light rain

Mount Vernon, Thursday, 13 August

Light rain. High 72°, low 59°.

Pressure29.97 inHg
Wind8.5 mph NE
Humidity65%
Visibility—
Dew point58°
Fri, 1473° / 52°0Clear
73 °Clear

Mount Vernon, Friday, 14 August

Clear. High 73°, low 52°.

Pressure30.21 inHg
Wind6.6 mph S
Humidity51%
Visibility—
Dew point51°
Sat, 1574° / 55°0Overcast
74 °Overcast

Mount Vernon, Saturday, 15 August

Overcast. High 74°, low 55°.

Pressure30.30 inHg
Wind8.9 mph S
Humidity57%
Visibility—
Dew point55°
Sun, 1674° / 55°0Overcast
74 °Overcast

Mount Vernon, Sunday, 16 August

Overcast. High 74°, low 55°.

Pressure30.15 inHg
Wind10.5 mph S
Humidity63%
Visibility—
Dew point58°
Mon, 1781° / 67°0.03Light rain
81 °Light rain

Mount Vernon, Monday, 17 August

Light rain. High 81°, low 67°.

Pressure29.97 inHg
Wind8.2 mph S
Humidity70%
Visibility—
Dew point68°
Tue, 1882° / 65°0Overcast
82 °Overcast

Mount Vernon, Tuesday, 18 August

Overcast. High 82°, low 65°.

Pressure30.03 inHg
Wind8 mph SE
Humidity63%
Visibility—
Dew point64°
Wed, 1976° / 64°0.33Light rain
76 °Light rain

Mount Vernon, Wednesday, 19 August

Light rain. High 76°, low 64°.

Pressure29.91 inHg
Wind7.7 mph S
Humidity91%
Visibility—
Dew point71°
Thu, 2076° / 63°0Partly cloudy
76 °Partly cloudy

Mount Vernon, Thursday, 20 August

Partly cloudy. High 76°, low 63°.

Pressure29.94 inHg
Wind10.8 mph NE
Humidity66%
Visibility—
Dew point61°
Fri, 2178° / 61°0.04Light rain
78 °Light rain

Mount Vernon, Friday, 21 August

Light rain. High 78°, low 61°.

Pressure29.97 inHg
Wind6 mph S
Humidity62%
Visibility—
Dew point61°
Sat, 2266° / 51°0.06Light rain
66 °Light rain

Mount Vernon, Saturday, 22 August

Light rain. High 66°, low 51°.

Pressure30.03 inHg
Wind14.6 mph NE
Humidity74%
Visibility—
Dew point55°
Sun, 2367° / 42°0Mostly clear
67 °Mostly clear

Mount Vernon, Sunday, 23 August

Mostly clear. High 67°, low 42°.

Pressure30.27 inHg
Wind10 mph NE
Humidity55%
Visibility—
Dew point45°

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, WI 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, WI 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.