Clear night
Feels like 51°F
Wind direction east
Gusts 8 mph
Humidity 93%
Cloud cover 1%
Pressure 30.18 inHg
Now · 3:33 AM
South Williamson Weather & Hourly Forecast
United States · Kentucky · 41503
54°F
Clear night
Feels like: 51°F
💧 Humidity 93%
🌡 Pressure 30.18 inHg
💨 Wind 5 mph
👁 Visibility 15.3 mi
☁ Clouds 1%
☀️ UV index 0.0 · Low
🌅 Sunrise 7:18 AM
🌇 Sunset 7:23 PM
Hourly Forecast for South Williamson
Today
Clear night
Clear night
Feels like 47°F
Wind direction east
Gusts 5 mph
Humidity 90%
Cloud cover 1%
Pressure 30.21 inHg
Sunny
Feels like 58°F
Wind direction north
Gusts 7 mph
Humidity 70%
Cloud cover 0%
Pressure 30.21 inHg
Sunny
Feels like 64°F
Wind direction north
Gusts 15 mph
Humidity 56%
Cloud cover 1%
Pressure 30.18 inHg
Sunny
Feels like 64°F
Wind direction north
Gusts 18 mph
Humidity 43%
Cloud cover 0%
Pressure 30.12 inHg
Sunny
Feels like 58°F
Wind direction north
Gusts 14 mph
Humidity 67%
Cloud cover 0%
Pressure 30.12 inHg
Mostly cloudy night
Feels like 52°F
Wind direction northeast
Gusts 8 mph
Humidity 81%
Cloud cover 63%
Pressure 30.15 inHg
Tomorrow
Mostly cloudy night
Feels like 48°F
Wind direction north
Gusts 6 mph
Humidity 86%
Cloud cover 66%
Pressure 30.12 inHg
Mostly clear night
Feels like 45°F
Wind direction north
Gusts 4 mph
Humidity 91%
Cloud cover 14%
Pressure 30.12 inHg
Mostly clear night
Feels like 44°F
Wind direction northeast
Gusts 4 mph
Humidity 95%
Cloud cover 21%
Pressure 30.12 inHg
Partly cloudy
Feels like 57°F
Wind direction north
Gusts 10 mph
Humidity 79%
Cloud cover 51%
Pressure 30.12 inHg
Sunny
Feels like 64°F
Wind direction north
Gusts 15 mph
Humidity 60%
Cloud cover 2%
Pressure 30.09 inHg
Sunny
Feels like 66°F
Wind direction north
Gusts 16 mph
Humidity 49%
Cloud cover 0%
Pressure 30.00 inHg
Sunny
Feels like 60°F
Wind direction north
Gusts 12 mph
Humidity 74%
Cloud cover 0%
Pressure 30.03 inHg
Clear night
Feels like 54°F
Wind direction north
Gusts 8 mph
Humidity 83%
Cloud cover 0%
Pressure 30.03 inHg
Sunday
Clear night
Feels like 51°F
Wind direction northwest
Gusts 4 mph
Humidity 90%
Cloud cover 0%
Pressure 30.00 inHg
Today
Clear night
Feels like 51°F
Wind direction eastGusts 8 mph
Humidity 93%Cloud cover 1%Pressure 30.18 inHg
Clear night
Feels like 50°F
Wind direction southeastGusts 8 mph
Humidity 89%Cloud cover 0%Pressure 30.18 inHg
Clear night
Feels like 50°F
Wind direction eastGusts 7 mph
Humidity 88%Cloud cover 0%Pressure 30.18 inHg
Clear night
Feels like 47°F
Wind direction eastGusts 5 mph
Humidity 90%Cloud cover 1%Pressure 30.21 inHg
Sunny
Feels like 48°F
Wind direction eastGusts 7 mph
Humidity 90%Cloud cover 0%Pressure 30.21 inHg
Sunny
Feels like 53°F
Wind direction eastGusts 7 mph
Humidity 80%Cloud cover 0%Pressure 30.24 inHg
Sunny
Feels like 58°F
Wind direction northGusts 7 mph
Humidity 70%Cloud cover 0%Pressure 30.21 inHg
Sunny
Feels like 61°F
Wind direction northwestGusts 10 mph
Humidity 63%Cloud cover 5%Pressure 30.21 inHg
Sunny
Feels like 63°F
Wind direction northGusts 13 mph
Humidity 59%Cloud cover 1%Pressure 30.21 inHg
Sunny
Feels like 64°F
Wind direction northGusts 15 mph
Humidity 56%Cloud cover 1%Pressure 30.18 inHg
Sunny
Feels like 65°F
Wind direction northGusts 17 mph
Humidity 51%Cloud cover 0%Pressure 30.18 inHg
Sunny
Feels like 65°F
Wind direction northGusts 17 mph
Humidity 48%Cloud cover 1%Pressure 30.15 inHg
Sunny
Feels like 64°F
Wind direction northGusts 18 mph
Humidity 43%Cloud cover 0%Pressure 30.12 inHg
Sunny
Feels like 63°F
Wind direction northGusts 18 mph
Humidity 46%Cloud cover 0%Pressure 30.12 inHg
Sunny
Feels like 62°F
Wind direction northGusts 17 mph
Humidity 54%Cloud cover 0%Pressure 30.12 inHg
Sunny
Feels like 58°F
Wind direction northGusts 14 mph
Humidity 67%Cloud cover 0%Pressure 30.12 inHg
Clear night
Feels like 54°F
Wind direction northGusts 10 mph
Humidity 75%Cloud cover 0%Pressure 30.12 inHg
Clear night
Feels like 53°F
Wind direction northGusts 9 mph
Humidity 78%Cloud cover 1%Pressure 30.15 inHg
Mostly cloudy night
Feels like 52°F
Wind direction northeastGusts 8 mph
Humidity 81%Cloud cover 63%Pressure 30.15 inHg
Partly cloudy night
Feels like 50°F
Wind direction northeastGusts 6 mph
Humidity 83%Cloud cover 50%Pressure 30.15 inHg
Tomorrow
Partly cloudy night
Feels like 49°F
Wind direction northGusts 7 mph
Humidity 85%Cloud cover 52%Pressure 30.15 inHg
Mostly cloudy night
Feels like 48°F
Wind direction northGusts 6 mph
Humidity 86%Cloud cover 66%Pressure 30.12 inHg
Clear night
Feels like 47°F
Wind direction northeastGusts 5 mph
Humidity 88%Cloud cover 1%Pressure 30.12 inHg
Clear night
Feels like 46°F
Wind direction northeastGusts 4 mph
Humidity 90%Cloud cover 4%Pressure 30.12 inHg
Mostly clear night
Feels like 45°F
Wind direction northGusts 4 mph
Humidity 91%Cloud cover 14%Pressure 30.12 inHg
Mostly clear night
Feels like 45°F
Wind direction northGusts 4 mph
Humidity 93%Cloud cover 16%Pressure 30.12 inHg
Clear night
Feels like 44°F
Wind direction northGusts 4 mph
Humidity 94%Cloud cover 9%Pressure 30.12 inHg
Mostly clear night
Feels like 44°F
Wind direction northeastGusts 4 mph
Humidity 95%Cloud cover 21%Pressure 30.12 inHg
Sunny
Feels like 45°F
Wind direction northeastGusts 4 mph
Humidity 96%Cloud cover 1%Pressure 30.12 inHg
Sunny
Feels like 51°F
Wind direction northeastGusts 7 mph
Humidity 88%Cloud cover 4%Pressure 30.15 inHg
Partly cloudy
Feels like 57°F
Wind direction northGusts 10 mph
Humidity 79%Cloud cover 51%Pressure 30.12 inHg
Mostly sunny
Feels like 60°F
Wind direction northGusts 15 mph
Humidity 65%Cloud cover 35%Pressure 30.12 inHg
Sunny
Feels like 62°F
Wind direction northGusts 15 mph
Humidity 64%Cloud cover 7%Pressure 30.12 inHg
Sunny
Feels like 64°F
Wind direction northGusts 15 mph
Humidity 60%Cloud cover 2%Pressure 30.09 inHg
Sunny
Feels like 65°F
Wind direction northGusts 16 mph
Humidity 55%Cloud cover 0%Pressure 30.06 inHg
Sunny
Feels like 66°F
Wind direction northGusts 16 mph
Humidity 51%Cloud cover 0%Pressure 30.03 inHg
Sunny
Feels like 66°F
Wind direction northGusts 16 mph
Humidity 49%Cloud cover 0%Pressure 30.00 inHg
Sunny
Feels like 65°F
Wind direction northGusts 16 mph
Humidity 51%Cloud cover 0%Pressure 30.00 inHg
Sunny
Feels like 64°F
Wind direction northGusts 15 mph
Humidity 59%Cloud cover 0%Pressure 30.00 inHg
Sunny
Feels like 60°F
Wind direction northGusts 12 mph
Humidity 74%Cloud cover 0%Pressure 30.03 inHg
Clear night
Feels like 56°F
Wind direction northGusts 9 mph
Humidity 79%Cloud cover 0%Pressure 30.03 inHg
Clear night
Feels like 55°F
Wind direction northGusts 8 mph
Humidity 82%Cloud cover 0%Pressure 30.03 inHg
Clear night
Feels like 54°F
Wind direction northGusts 8 mph
Humidity 83%Cloud cover 0%Pressure 30.03 inHg
Clear night
Feels like 53°F
Wind direction northGusts 6 mph
Humidity 86%Cloud cover 0%Pressure 30.03 inHg
Sunday
Clear night
Feels like 52°F
Wind direction northwestGusts 5 mph
Humidity 88%Cloud cover 0%Pressure 30.03 inHg
Clear night
Feels like 51°F
Wind direction northwestGusts 4 mph
Humidity 90%Cloud cover 0%Pressure 30.00 inHg
Clear night
Feels like 51°F
Wind direction northwestGusts 5 mph
Humidity 91%Cloud cover 2%Pressure 30.00 inHg
Clear night
Feels like 50°F
Wind direction northwestGusts 4 mph
Humidity 93%Cloud cover 0%Pressure 30.00 inHg
Clear night
Feels like 49°F
Wind direction northwestGusts 4 mph
Humidity 96%Cloud cover 0%Pressure 30.00 inHg
Clear night
Feels like 47°F
Wind direction northwestGusts 4 mph
Humidity 98%Cloud cover 0%Pressure 30.00 inHg
Clear night
Feels like 46°F
Wind direction northGusts 4 mph
Humidity 100%Cloud cover 2%Pressure 30.00 inHg
Mostly clear night
Feels like 45°F
Wind direction northwestGusts 4 mph
Humidity 100%Cloud cover 20%Pressure 30.00 inHg
Fog
Feels like 46°F
Wind direction northwestGusts 5 mph
Humidity 100%Cloud cover 96%Pressure 30.00 inHg
Sunny
Feels like 53°F
Wind direction northwestGusts 6 mph
Humidity 93%Cloud cover 12%Pressure 30.03 inHg
Sunny
Feels like 57°F
Wind direction northwestGusts 9 mph
Humidity 81%Cloud cover 2%Pressure 30.03 inHg
Sunny
Feels like 61°F
Wind direction northwestGusts 11 mph
Humidity 70%Cloud cover 0%Pressure 30.00 inHg
Sunny
Feels like 63°F
Wind direction northwestGusts 14 mph
Humidity 62%Cloud cover 1%Pressure 30.00 inHg
Mostly sunny
Feels like 64°F
Wind direction northGusts 19 mph
Humidity 54%Cloud cover 17%Pressure 29.97 inHg
Partly cloudy
Feels like 65°F
Wind direction northGusts 20 mph
Humidity 49%Cloud cover 50%Pressure 29.94 inHg
Mostly sunny
Feels like 65°F
Wind direction northwestGusts 20 mph
Humidity 48%Cloud cover 24%Pressure 29.91 inHg
Sunny
Feels like 66°F
Wind direction northwestGusts 20 mph
Humidity 47%Cloud cover 9%Pressure 29.88 inHg
Mostly sunny
Feels like 65°F
Wind direction northwestGusts 20 mph
Humidity 49%Cloud cover 20%Pressure 29.88 inHg
Mostly sunny
Feels like 66°F
Wind direction northwestGusts 19 mph
Humidity 57%Cloud cover 18%Pressure 29.88 inHg
Mostly sunny
Feels like 62°F
Wind direction northwestGusts 13 mph
Humidity 69%Cloud cover 19%Pressure 29.91 inHg
Clear night
Feels like 58°F
Wind direction northwestGusts 12 mph
Humidity 74%Cloud cover 4%Pressure 29.91 inHg
In South Williamson and, more broadly, across the state of Kentucky: Cloudy skies this morning give way to hot conditions this afternoon, with temperatures rising between 67 and 86 degrees Fahrenheit. Light northeast winds, reaching up to 7 mph with gusts up to 13 mph, will be felt throughout the day. There is a possibility of light rain, with an accumulation around 0.09 inches, and the highest chance of rain is around 78%. Overall, expect a warm day with variable cloud cover and some chances of brief showers.
15-Day Weather Outlook for South Williamson
TomorrowTomorrow
Partly cloudy
69°/46°
💧 None
💨 7 mph
Partly cloudy
69°/46°
💧 None
💨 7 mph
Daytime temperature 65°F
Feels like 62°F
Humidity 77%
Pressure 30.09 inHg
Cloud cover 12%
Wind direction north
Gusts 16 mph
Sunrise —
Sunset —
Sunday, Sep 27Sun Sep 27
Mostly sunny
71°/47°
💧 None
💨 9 mph
Mostly sunny
71°/47°
💧 None
💨 9 mph
Daytime temperature 65°F
Feels like 63°F
Humidity 77%
Pressure 29.97 inHg
Cloud cover 14%
Wind direction northwest
Gusts 20 mph
Sunrise —
Sunset —
TEMPERATURE OUTLOOK
Temperature & Weather Trends in South Williamson
AIR QUALITY FORECAST
Air Quality Forecast for South Williamson
Good
Nearest forecast value
4:00 AM
PM2.5 Fine particles Good 1,9µg/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 2,5µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 33,5µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 2,2µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 6,6µg/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 7,3µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 61,5µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 3,4µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Good
Selected time
12:00 AM
PM2.5 Fine particles Good 6,8µg/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 7,6µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 41,6µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 3,3µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
Good
Selected time
12:00 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 7,8µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 38,0µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 3,5µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
Good
Selected time
12:00 AM
PM2.5 Fine particles Good 5,6µg/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 6,4µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 37,4µg/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.
Air quality is favorable for outdoor activities.
UV & HEALTH
UV, Sun & Health Outlook in South Williamson
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 4,5Moderate
😊Good
Tomorrow
UV 4,4Moderate
🙂Fair
Sunday
UV 4,3Moderate
🙂Fair
Hourly UV index today
7:00 AMUV 0,0
8:00 AMUV 0,1
9:00 AMUV 0,8
10:00 AMUV 1,9
11:00 AMUV 2,9
12:00 PMUV 3,8
1:00 PMUV 4,3
2:00 PMUV 4,5
3:00 PMUV 4,2
4:00 PMUV 3,6
5:00 PMUV 2,7
6:00 PMUV 1,6
Today's weather health advice
Open today's recommendations.
Moderate UV risk
Sunglasses and sun protection are recommended for prolonged exposure.
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.
Good conditions for outdoor activities
Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.
WIND OUTLOOK
Hourly Wind Forecast for South Williamson
Sustained wind
Max gusts
NIGHT SKY · SOUTH WILLIAMSON, KENTUCKY
Tonight's Stargazing & Shooting Stars
Excellent observing conditions. Best local viewing window: 6:00 AM–7:00 AM.
96/100Best-hour score
BEST TIME TONIGHT
6:00 AM–7:00 AM
Astronomical darkness: 8:50 PM–5:52 AM
Cloud cover
0%
Real hourly forecast for the best viewing hour.
Moonlight
98%
Full Moon · Moon about 0° above the horizon at the best viewing hour.
Meteor activity
Southern Taurids
Reference ZHR 7 · Radiant 61° high at the best hour.
Estimated visible meteors
0–2/hour
Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min43%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
ACTIVE NOW
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING
NOV 6–NOV 30
LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak
UPCOMING
Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.
DISCOVER WEATHER NEARBY Weather in other cities
Explore current conditions and forecasts for other locations.
Forecast data for South Williamson were last refreshed today at 3:33 AM. The current forecast period extends through 27/09/2026 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.