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Current weather in Louisville is clear sky.

Where can I find the hourly weather forecast for Louisville?

This page shows hourly weather forecast for Louisville, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Louisville updated regularly?

Weather data for Louisville is updated regularly with the latest available observations and forecasts.

Now · 6:10 PM

Louisville Weather & Hourly Forecast

United States · Tennessee · 37777

96°F

Sunny

Feels like: 103°F

💧 Humidity 44% 🌡 Pressure 30.03 inHg 💨 Wind 6 mph 👁 Visibility 6.2 mi ☁ Clouds 0% ☀️ UV index 3.2 · Moderate 🌅 Sunrise 7:09 AM 🌇 Sunset 8:03 PM

Hourly Forecast for Louisville

Today

7:00 PM

Sunny

95° 💧 None 💨 7 mph H 44%30.03 inHg

10:00 PM

Clear night

83° 💧 None 💨 3 mph H 55%30.03 inHg

Tomorrow

1:00 AM

Clear night

77° 💧 None 💨 1 mph H 65%30.03 inHg

4:00 AM

Clear night

75° 💧 None 💨 3 mph H 71%30.00 inHg

7:00 AM

Clear night

73° 💧 None 💨 2 mph H 75%30.03 inHg

10:00 AM

Sunny

84° 💧 None 💨 2 mph H 53%30.06 inHg

1:00 PM

Sunny

94° 💧 None 💨 1 mph H 35%30.03 inHg

4:00 PM

Sunny

98° 💧 None 💨 6 mph H 27%29.94 inHg

7:00 PM

Mostly sunny

89° 💧 0.01 in 💨 5 mph H 49%29.94 inHg

10:00 PM

Partly cloudy night

81° 💧 None 💨 1 mph H 68%30.00 inHg

Friday

1:00 AM

Partly cloudy night

79° 💧 None 💨 1 mph H 70%30.00 inHg

4:00 AM

Partly cloudy night

76° 💧 None 💨 1 mph H 74%30.00 inHg

7:00 AM

Mostly clear night

74° 💧 None 💨 2 mph H 80%30.00 inHg

10:00 AM

Sunny

85° 💧 None 💨 4 mph H 57%30.03 inHg

1:00 PM

Sunny

97° 💧 None 💨 3 mph H 38%30.00 inHg

4:00 PM

Sunny

100° 💧 None 💨 3 mph H 31%29.94 inHg

Today

7:00 PM

Sunny

95° 💧 None 💨 7 mph H 44%30.03 inHg

8:00 PM

Sunny

92° 💧 None 💨 6 mph H 49%30.00 inHg

9:00 PM

Clear night

88° 💧 None 💨 4 mph H 52%30.00 inHg

10:00 PM

Clear night

83° 💧 None 💨 3 mph H 55%30.03 inHg

11:00 PM

Clear night

80° 💧 None 💨 2 mph H 60%30.03 inHg

Tomorrow

12:00 AM

Clear night

78° 💧 None 💨 1 mph H 62%30.03 inHg

1:00 AM

Clear night

77° 💧 None 💨 1 mph H 65%30.03 inHg

2:00 AM

Clear night

76° 💧 None 💨 2 mph H 67%30.03 inHg

3:00 AM

Clear night

76° 💧 None 💨 3 mph H 68%30.00 inHg

4:00 AM

Clear night

75° 💧 None 💨 3 mph H 71%30.00 inHg

5:00 AM

Clear night

74° 💧 None 💨 3 mph H 72%30.03 inHg

6:00 AM

Clear night

73° 💧 None 💨 2 mph H 74%30.03 inHg

7:00 AM

Clear night

73° 💧 None 💨 2 mph H 75%30.03 inHg

8:00 AM

Sunny

75° 💧 None 💨 2 mph H 73%30.06 inHg

9:00 AM

Sunny

79° 💧 None 💨 2 mph H 62%30.06 inHg

10:00 AM

Sunny

84° 💧 None 💨 2 mph H 53%30.06 inHg

11:00 AM

Sunny

89° 💧 None 💨 2 mph H 45%30.06 inHg

12:00 PM

Sunny

92° 💧 None 💨 2 mph H 40%30.03 inHg

1:00 PM

Sunny

94° 💧 None 💨 1 mph H 35%30.03 inHg

2:00 PM

Sunny

96° 💧 None 💨 1 mph H 32%30.00 inHg

3:00 PM

Sunny

97° 💧 None 💨 4 mph H 30%29.97 inHg

4:00 PM

Sunny

98° 💧 None 💨 6 mph H 27%29.94 inHg

5:00 PM

Sunny

97° 💧 None 💨 5 mph H 28%29.94 inHg

6:00 PM

Sunny

92° 💧 None 💨 4 mph H 38%29.94 inHg

7:00 PM

Mostly sunny

89° 💧 None 💨 5 mph H 49%29.94 inHg

8:00 PM

Light rain

85° 💧 0.01 in 💨 3 mph H 62%29.97 inHg

9:00 PM

Mostly cloudy night

84° 💧 None 💨 2 mph H 67%29.97 inHg

10:00 PM

Partly cloudy night

81° 💧 None 💨 1 mph H 68%30.00 inHg

11:00 PM

Partly cloudy night

80° 💧 None 💨 1 mph H 68%30.00 inHg

Friday

12:00 AM

Partly cloudy night

79° 💧 None 💨 1 mph H 69%30.00 inHg

1:00 AM

Partly cloudy night

79° 💧 None 💨 1 mph H 70%30.00 inHg

2:00 AM

Partly cloudy night

78° 💧 None 💨 1 mph H 71%30.00 inHg

3:00 AM

Partly cloudy night

77° 💧 None 💨 1 mph H 72%29.97 inHg

4:00 AM

Partly cloudy night

76° 💧 None 💨 1 mph H 74%30.00 inHg

5:00 AM

Partly cloudy night

75° 💧 None 💨 2 mph H 76%30.00 inHg

6:00 AM

Partly cloudy night

74° 💧 None 💨 1 mph H 78%30.00 inHg

7:00 AM

Mostly clear night

74° 💧 None 💨 2 mph H 80%30.00 inHg

8:00 AM

Mostly sunny

75° 💧 None 💨 2 mph H 78%30.03 inHg

9:00 AM

Sunny

80° 💧 None 💨 3 mph H 67%30.03 inHg

10:00 AM

Sunny

85° 💧 None 💨 4 mph H 57%30.03 inHg

11:00 AM

Sunny

90° 💧 None 💨 4 mph H 48%30.03 inHg

12:00 PM

Sunny

94° 💧 None 💨 4 mph H 42%30.03 inHg

1:00 PM

Sunny

97° 💧 None 💨 3 mph H 38%30.00 inHg

2:00 PM

Sunny

100° 💧 None 💨 3 mph H 34%29.97 inHg

3:00 PM

Sunny

101° 💧 None 💨 2 mph H 32%29.97 inHg

4:00 PM

Sunny

100° 💧 None 💨 3 mph H 31%29.94 inHg

5:00 PM

Mostly sunny

99° 💧 None 💨 5 mph H 32%29.91 inHg

6:00 PM

Sunny

97° 💧 None 💨 7 mph H 35%29.91 inHg

7:00 PM

Mostly sunny

89° 💧 None 💨 9 mph H 50%29.91 inHg

8:00 PM

Partly cloudy

80° 💧 None 💨 5 mph H 70%29.94 inHg

9:00 PM

Mostly cloudy night

79° 💧 None 💨 5 mph H 76%29.97 inHg

10:00 PM

Light rain

76° 💧 0.01 in 💨 6 mph H 83%30.00 inHg

11:00 PM

Light rain

75° 💧 0.02 in 💨 2 mph H 89%30.00 inHg

Saturday

12:00 AM

Mostly cloudy night

74° 💧 None 💨 1 mph H 91%30.00 inHg

1:00 AM

Mostly cloudy night

74° 💧 None 💨 1 mph H 89%29.97 inHg

2:00 AM

Mostly cloudy night

74° 💧 None 💨 1 mph H 90%29.97 inHg

3:00 AM

Overcast night

73° 💧 None 💨 2 mph H 90%29.97 inHg

4:00 AM

Mostly cloudy night

73° 💧 None 💨 1 mph H 91%29.94 inHg

5:00 AM

Partly cloudy night

72° 💧 None 💨 2 mph H 91%29.97 inHg

6:00 AM

Partly cloudy night

72° 💧 None 💨 2 mph H 92%29.97 inHg

7:00 AM

Partly cloudy night

72° 💧 None 💨 2 mph H 92%29.97 inHg

8:00 AM

Mostly sunny

73° 💧 None 💨 1 mph H 89%29.97 inHg

9:00 AM

Sunny

77° 💧 None 💨 2 mph H 81%29.97 inHg

10:00 AM

Sunny

82° 💧 None 💨 1 mph H 71%29.97 inHg

11:00 AM

Sunny

88° 💧 None 💨 2 mph H 57%29.97 inHg

12:00 PM

Sunny

92° 💧 None 💨 3 mph H 47%29.97 inHg

1:00 PM

Mostly sunny

95° 💧 None 💨 4 mph H 42%29.94 inHg

2:00 PM

Partly cloudy

97° 💧 None 💨 4 mph H 37%29.91 inHg

3:00 PM

Sunny

99° 💧 None 💨 4 mph H 34%29.88 inHg

4:00 PM

Partly cloudy

99° 💧 None 💨 3 mph H 32%29.85 inHg

5:00 PM

Moderate rain

86° 💧 0.06 in 💨 12 mph H 62%29.85 inHg

6:00 PM

Heavy rain

77° 💧 0.18 in 💨 8 mph H 85%29.88 inHg

7:00 PM

Moderate rain

76° 💧 0.04 in 💨 9 mph H 85%29.88 inHg

8:00 PM

Light rain

74° 💧 0.02 in 💨 5 mph H 92%29.88 inHg

9:00 PM

Heavy rain

72° 💧 0.24 in 💨 18 mph H 97%29.97 inHg

10:00 PM

Light rain

72° 💧 0.03 in 💨 9 mph H 93%29.94 inHg

11:00 PM

Mostly cloudy night

71° 💧 None 💨 3 mph H 94%29.91 inHg

Sunday

12:00 AM

Mostly cloudy night

69° 💧 None 💨 5 mph H 96%29.94 inHg

1:00 AM

Mostly cloudy night

69° 💧 None 💨 4 mph H 95%29.91 inHg

2:00 AM

Overcast night

69° 💧 None 💨 4 mph H 95%29.91 inHg

3:00 AM

Overcast night

68° 💧 None 💨 4 mph H 95%29.91 inHg

4:00 AM

Overcast night

68° 💧 None 💨 4 mph H 94%29.88 inHg

5:00 AM

Mostly cloudy night

68° 💧 None 💨 5 mph H 95%29.91 inHg

6:00 AM

Mostly cloudy night

67° 💧 None 💨 5 mph H 95%29.88 inHg

7:00 AM

Mostly cloudy night

67° 💧 None 💨 5 mph H 94%29.91 inHg

8:00 AM

Mostly cloudy

68° 💧 None 💨 4 mph H 93%29.94 inHg

9:00 AM

Sunny

71° 💧 None 💨 5 mph H 86%29.94 inHg

10:00 AM

Sunny

75° 💧 None 💨 5 mph H 75%29.94 inHg

11:00 AM

Sunny

81° 💧 None 💨 4 mph H 61%29.94 inHg

12:00 PM

Sunny

85° 💧 None 💨 4 mph H 53%29.94 inHg

1:00 PM

Sunny

88° 💧 None 💨 5 mph H 48%29.91 inHg

2:00 PM

Mostly sunny

91° 💧 None 💨 5 mph H 44%29.88 inHg

3:00 PM

Mostly cloudy

92° 💧 None 💨 5 mph H 42%29.85 inHg

4:00 PM

Partly cloudy

93° 💧 None 💨 5 mph H 41%29.85 inHg

5:00 PM

Partly cloudy

92° 💧 None 💨 5 mph H 41%29.85 inHg

In Louisville and, more broadly, across the state of Tennessee: As the afternoon progresses into the evening, expect mostly sunny skies with a few clouds drifting by. Temperatures will remain quite hot, ranging from the low 80s to the upper 90s. Light southwest winds will continue, generally around 2 mph, with occasional gusts up to 4 mph. No rain is anticipated tonight, so dry conditions will persist. It will stay warm overnight, with temperatures unlikely to drop much below the mid-70s. Overall, the evening will be warm and mostly clear, making for a dry night ahead.

15-Day Weather Outlook for Louisville

TomorrowTomorrow

Light rain 98°/73° 💧 0.01 in 💨 6 mph

Friday, Sep 4Fri Sep 4

Light rain 101°/74° 💧 0.03 in 💨 9 mph

Saturday, Sep 5Sat Sep 5

Moderate rain 99°/71° 💧 0.58 in 💨 12 mph

Sunday, Sep 6Sun Sep 6

Light rain 92°/68° 💧 0.01 in 💨 6 mph

Monday, Sep 7Mon Sep 7

Mostly cloudy 90°/72° 💧 None 💨 8 mph

Tuesday, Sep 8Tue Sep 8

Partly cloudy 92°/70° 💧 None 💨 8 mph

Wednesday, Sep 9Wed Sep 9

Mostly cloudy 93°/70° 💧 None 💨 6 mph

Thursday, Sep 10Thu Sep 10

Sunny 97°/72° 💧 None 💨 7 mph

Friday, Sep 11Fri Sep 11

Sunny 98°/73° 💧 None 💨 7 mph

Saturday, Sep 12Sat Sep 12

Light rain 100°/76° 💧 0.02 in 💨 7 mph

Sunday, Sep 13Sun Sep 13

Light rain 98°/74° 💧 0.04 in 💨 8 mph

Monday, Sep 14Mon Sep 14

Light rain 97°/73° 💧 0.07 in 💨 7 mph

Tuesday, Sep 15Tue Sep 15

Light rain 94°/70° 💧 0.00 in 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Light rain 93°/71° 💧 0.06 in 💨 8 mph

Thursday, Sep 17Thu Sep 17

Light rain 85°/66° 💧 0.03 in 💨 7 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Louisville

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Louisville

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 7:00 PM

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 11,7µg/m³

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

O₃ Ozone Moderate 112,5µg/m³

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

NO₂ Nitrogen dioxide Good 5,1µg/m³

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

Sensitive people should reduce strenuous and prolonged outdoor exertion.

UV & HEALTH

UV, Sun & Health Outlook in Louisville

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 9,0Very high 😐Moderate

Tomorrow UV 9,0Very high 😐Moderate

Friday UV 8,8Very high 🙂Fair

Saturday UV 8,3Very high 🙂Fair

Sunday UV 8,3Very high 🙂Fair

Monday UV 7,0High —Unavailable

Tuesday UV 8,0Very high —Unavailable

Hourly UV index today

7:00 PMUV 0,3

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.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor exertion.

High heat

Stay hydrated and avoid intense exercise during the hottest part of the day.

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 Louisville

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.90 Population: 4,383

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Forecast data for Louisville were last refreshed today at 5:19 PM. The current forecast period extends through 04/09/2026 at 4:00 PM. 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.