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Now · 3:23 AM

Mount Vernon Weather & Hourly Forecast

United States · Indiana · 47620

Clear night
74°F
Clear night
Feels like: 75°F
💧 Humidity 81% 🌡 Pressure 29.94 inHg 💨 Wind 4 mph 👁 Visibility 6.2 mi Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:24 AM 🌇 Sunset 7:17 PM

Hourly Forecast for Mount Vernon

Today
Clear night · 4:00 AM Clear night
74° 💧 None 💨 4 mph H 81%29.94 inHg
Sunny · 7:00 AM Sunny
75° 💧 None 💨 4 mph H 78%29.97 inHg
Sunny · 10:00 AM Sunny
92° 💧 None 💨 5 mph H 53%30.00 inHg
Sunny · 1:00 PM Sunny
98° 💧 None 💨 4 mph H 39%29.97 inHg
Sunny · 4:00 PM Sunny
102° 💧 None 💨 11 mph H 32%29.88 inHg
Partly cloudy · 7:00 PM Partly cloudy
86° 💧 0.03 in 💨 4 mph H 59%29.91 inHg
Mostly cloudy night · 10:00 PM Mostly cloudy night
77° 💧 None 💨 6 mph H 71%29.91 inHg
Tomorrow
Partly cloudy night · 1:00 AM Partly cloudy night
74° 💧 None 💨 8 mph H 74%29.91 inHg
Mostly clear night · 4:00 AM Mostly clear night
73° 💧 None 💨 7 mph H 75%29.88 inHg
Partly cloudy · 7:00 AM Partly cloudy
75° 💧 0.01 in 💨 5 mph H 76%29.91 inHg
Mostly cloudy · 10:00 AM Mostly cloudy
91° 💧 None 💨 7 mph H 51%29.91 inHg
Mostly cloudy · 1:00 PM Mostly cloudy
98° 💧 0.09 in 💨 2 mph H 33%29.88 inHg
Heavy rain · 4:00 PM Heavy rain
93° 💧 0.37 in 💨 16 mph H 82%29.85 inHg
Light rain · 7:00 PM Light rain
78° 💧 0.04 in 💨 9 mph H 80%29.83 inHg
Partly cloudy night · 10:00 PM Partly cloudy night
73° 💧 None 💨 2 mph H 84%29.88 inHg
Sunday
Partly cloudy night · 1:00 AM Partly cloudy night
73° 💧 None 💨 4 mph H 85%29.88 inHg

In Mount Vernon and, more broadly, across the state of Indiana: Clear skies will continue into the evening, with temperatures remaining warm between 86 and 91 degrees Fahrenheit. Winds will be light from the west, generally around 5 mph, with gusts up to 4 mph. No precipitation is expected during the next few hours, so conditions will stay dry and calm. It will remain quite warm through the evening, so residents may want to stay hydrated and avoid the peak heat. Overall, it will be a clear and warm night with minimal wind activity.

15-Day Weather Outlook for Mount Vernon

Friday, Sep 4Fri Sep 4 Sunny Sunny 100°/73° 💧 None 💨 11 mph
TomorrowTomorrow Light rain Light rain 101°/74° 💧 0.05 in 💨 13 mph
Sunday, Sep 6Sun Sep 6 Sunny Sunny 94°/70° 💧 None 💨 14 mph
Monday, Sep 7Mon Sep 7 Partly cloudy Partly cloudy 89°/62° 💧 None 💨 8 mph
Tuesday, Sep 8Tue Sep 8 Partly cloudy Partly cloudy 95°/67° 💧 None 💨 9 mph
Wednesday, Sep 9Wed Sep 9 Sunny Sunny 104°/74° 💧 None 💨 13 mph
Thursday, Sep 10Thu Sep 10 Light rain Light rain 108°/78° 💧 0.01 in 💨 12 mph
Friday, Sep 11Fri Sep 11 Light rain Light rain 104°/79° 💧 0.01 in 💨 10 mph
Saturday, Sep 12Sat Sep 12 Sunny Sunny 102°/71° 💧 None 💨 12 mph
Sunday, Sep 13Sun Sep 13 Moderate rain Moderate rain 105°/75° 💧 0.17 in 💨 15 mph
Monday, Sep 14Mon Sep 14 Light rain Light rain 104°/75° 💧 0.05 in 💨 12 mph
Tuesday, Sep 15Tue Sep 15 Light rain Light rain 105°/71° 💧 0.08 in 💨 13 mph
Wednesday, Sep 16Wed Sep 16 Light rain Light rain 101°/73° 💧 0.03 in 💨 8 mph
Thursday, Sep 17Thu Sep 17 Mostly sunny Mostly sunny 106°/76° 💧 None 💨 14 mph
Friday, Sep 18Fri Sep 18 Moderate rain Moderate rain 107°/77° 💧 0.15 in 💨 20 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Mount Vernon

Vertical axis: °F · Color based on temperature
Clear night at 4:00 AM
74° Today 4:00 AM
Clear night at 5:00 AM
74° 5:00 AM
Clear night at 6:00 AM
74° 6:00 AM
Sunny at 7:00 AM
75° 7:00 AM
Sunny at 8:00 AM
80° Today 8:00 AM
Sunny at 9:00 AM
87° 9:00 AM
Sunny at 10:00 AM
92° 10:00 AM
Sunny at 11:00 AM
95° 11:00 AM
Sunny at 12:00 PM
97° Today 12:00 PM
Sunny at 1:00 PM
98° 1:00 PM
Sunny at 2:00 PM
100° 2:00 PM
Sunny at 3:00 PM
100° 3:00 PM
Sunny at 4:00 PM
102° Today 4:00 PM
Sunny at 5:00 PM
100° 5:00 PM
Partly cloudy at 6:00 PM
93° 6:00 PM
Partly cloudy at 7:00 PM
86° 7:00 PM
Light rain at 8:00 PM
81° Today 8:00 PM
Light rain at 9:00 PM
78° 9:00 PM
Mostly cloudy night at 10:00 PM
77° 10:00 PM
Partly cloudy night at 11:00 PM
77° 11:00 PM
Partly cloudy night at 12:00 AM
76° Tomorrow 12:00 AM
Partly cloudy night at 1:00 AM
74° 1:00 AM
Clear night at 2:00 AM
74° 2:00 AM
Clear night at 3:00 AM
73° 3:00 AM
Mostly clear night at 4:00 AM
73° Tomorrow 4:00 AM
Partly cloudy night at 5:00 AM
74° 5:00 AM
Mostly clear night at 6:00 AM
73° 6:00 AM
Partly cloudy at 7:00 AM
75° 7:00 AM
Light rain at 8:00 AM
81° Tomorrow 8:00 AM
Mostly cloudy at 9:00 AM
86° 9:00 AM
Mostly cloudy at 10:00 AM
91° 10:00 AM
Mostly cloudy at 11:00 AM
95° 11:00 AM
Overcast at 12:00 PM
97° Tomorrow 12:00 PM
Mostly cloudy at 1:00 PM
98° 1:00 PM
Sunny at 2:00 PM
101° 2:00 PM
Moderate rain at 3:00 PM
101° 3:00 PM
Heavy rain at 4:00 PM
93° Tomorrow 4:00 PM
Moderate rain at 5:00 PM
89° 5:00 PM
Light rain at 6:00 PM
85° 6:00 PM
Light rain at 7:00 PM
78° 7:00 PM
Light rain at 8:00 PM
74° Tomorrow 8:00 PM
Partly cloudy night at 9:00 PM
72° 9:00 PM
Partly cloudy night at 10:00 PM
73° 10:00 PM
Partly cloudy night at 11:00 PM
73° 11:00 PM
Partly cloudy night at 12:00 AM
73° Sunday 12:00 AM
Partly cloudy night at 1:00 AM
73° 1:00 AM
Clear night at 2:00 AM
72° 2:00 AM
Clear night at 3:00 AM
71° 3:00 AM
Clear night at 4:00 AM
70° Sunday 4:00 AM
Clear night at 5:00 AM
69° 5:00 AM
Clear night at 6:00 AM
69° 6:00 AM
Sunny at 7:00 AM
70° 7:00 AM
Mostly sunny at 8:00 AM
73° Sunday 8:00 AM
Partly cloudy at 9:00 AM
77° 9:00 AM
Partly cloudy at 10:00 AM
80° 10:00 AM
Partly cloudy at 11:00 AM
82° 11:00 AM
Partly cloudy at 12:00 PM
85° Sunday 12:00 PM
Partly cloudy at 1:00 PM
86° 1:00 PM
Sunny at 2:00 PM
87° 2:00 PM
Sunny at 3:00 PM
88° 3:00 PM
Sunny at 4:00 PM
88° Sunday 4:00 PM
Sunny at 5:00 PM
87° 5:00 PM
Mostly sunny at 6:00 PM
83° 6:00 PM
Mostly sunny at 7:00 PM
78° 7:00 PM
Mostly clear night at 8:00 PM
74° Sunday 8:00 PM
Partly cloudy night at 9:00 PM
74° 9:00 PM
Mostly clear night at 10:00 PM
71° 10:00 PM
Partly cloudy night at 11:00 PM
69° 11:00 PM
Partly cloudy night at 12:00 AM
66° Monday 12:00 AM
Partly cloudy night at 1:00 AM
64° 1:00 AM
Mostly cloudy night at 2:00 AM
63° 2:00 AM
Partly cloudy night at 3:00 AM
62° 3:00 AM
Partly cloudy night at 4:00 AM
61° Monday 4:00 AM
Mostly cloudy night at 5:00 AM
61° 5:00 AM
Mostly cloudy night at 6:00 AM
60° 6:00 AM
Mostly cloudy at 7:00 AM
60° 7:00 AM
Partly cloudy at 8:00 AM
65° Monday 8:00 AM
Partly cloudy at 9:00 AM
71° 9:00 AM
Mostly sunny at 10:00 AM
75° 10:00 AM
Mostly sunny at 11:00 AM
79° 11:00 AM
Mostly sunny at 12:00 PM
82° Monday 12:00 PM
Mostly sunny at 1:00 PM
85° 1:00 PM
Sunny at 2:00 PM
87° 2:00 PM
Sunny at 3:00 PM
88° 3:00 PM
Sunny at 4:00 PM
88° Monday 4:00 PM
Sunny at 5:00 PM
88° 5:00 PM
Sunny at 6:00 PM
84° 6:00 PM
Sunny at 7:00 PM
78° 7:00 PM
Clear night at 8:00 PM
75° Monday 8:00 PM
Clear night at 9:00 PM
74° 9:00 PM
Clear night at 10:00 PM
73° 10:00 PM
Mostly clear night at 11:00 PM
72° 11:00 PM
Partly cloudy night at 12:00 AM
70° Tuesday 12:00 AM
Mostly clear night at 1:00 AM
68° 1:00 AM
Clear night at 2:00 AM
67° 2:00 AM
Clear night at 3:00 AM
67° 3:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Mount Vernon

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 4:00 AM
PM2.5 Fine particles Good 6,9µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 10,6µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 19,9µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 6,2µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Mount Vernon

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 8,4Very high 😊Good
Tomorrow UV 7,6High 😐Moderate
Sunday UV 7,8High 😐Moderate
Monday UV 8,0Very high 😐Moderate
Tuesday UV 8,0Very high 🙂Fair
Wednesday UV 10,0Very high Unavailable
Thursday UV 10,0Very high Unavailable
Hourly UV index today
7:00 AMUV 0,1 8:00 AMUV 0,7 9:00 AMUV 2,0 10:00 AMUV 4,1 11:00 AMUV 6,3 12:00 PMUV 7,9 1:00 PMUV 8,4 2:00 PMUV 6,7 3:00 PMUV 4,3 4:00 PMUV 2,2 5:00 PMUV 0,9 6:00 PMUV 0,2
Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Mount Vernon

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 4:00 AM 5:00 AM 6:00 AM 7:00 AM Today 8:00 AM 9:00 AM 10:00 AM 11:00 AM Today 12:00 PM 1:00 PM 2:00 PM 3:00 PM Today 4:00 PM 5:00 PM 6:00 PM 7:00 PM Today 8:00 PM 9:00 PM 10:00 PM 11:00 PM Tomorrow 12:00 AM 1:00 AM 2:00 AM 3:00 AM Tomorrow 4:00 AM 5:00 AM 6:00 AM 7:00 AM Tomorrow 8:00 AM 9:00 AM 10:00 AM 11:00 AM Tomorrow 12:00 PM 1:00 PM 2:00 PM 3:00 PM Tomorrow 4:00 PM 5:00 PM 6:00 PM 7:00 PM Tomorrow 8:00 PM 9:00 PM 10:00 PM 11:00 PM Sunday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Sunday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Sunday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Sunday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Sunday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Sunday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Monday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Monday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Monday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Monday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Monday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Monday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Tuesday 12:00 AM 1:00 AM 2:00 AM 3:00 AM
Sustained wind Max gusts
Internal PR simulation: 4.10 Population: 6,400

Forecast data for Mount Vernon were last refreshed today at 3:23 AM. The current forecast period extends through 06/09/2026 at 1:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.