Live Weather & Forecast

Weather in Karnes City

Texas, United States · Real-time conditions & 3-day outlook

Flag of United States
Overcast
23°C
Feels like 25°C
74°F / Feels 77°F
Overcast
Karnes City, Texas
🌞 Daytime
Updated: 2026-04-12 16:00
💧
Humidity
90%
💨
Wind
31.7 km/h SSE
🌬️
Wind Gust
41.1 km/h
🌡️
Pressure
1016 mb
👁️
Visibility
6.4 km
☀️
UV Index
3.1 (Moderate)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
100%
💦
Dew Point
20.5°C
🌐
Wind Degree
158°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
131.9 μg/m³
NO₂
3.2 μg/m³
O₃
73 μg/m³
SO₂
1.4 μg/m³
PM 2.5
6.7 μg/m³
PM 10
8.9 μg/m³

Weather Alerts 4

Met · Severe · Immediate
Flash Flood Warning issued April 12 at 12:21PM CDT until April 12 at 2:45PM CDT by NWS Austin/San Antonio TX

At 1221 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. The expected rainfall rate is 2 to 3 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms prod...

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Stay away or be swept away. River banks and culverts can become unstable and unsafe.

Met · Minor · Expected
Flood Advisory issued April 12 at 11:06AM CDT until April 12 at 2:15PM CDT by NWS Austin/San Antonio TX

* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of south central Texas, including the following counties, DeWitt, Fayette, Gonzales, and Lavaca. * WHEN...Until 215 PM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry creeks. Water over roadways. Some low-water crossings may become...

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Stay away or be swept away. River banks and culverts can become unstable and unsafe.

Met · Severe · Future
Flood Watch issued April 12 at 10:11AM CDT until April 13 at 7:00AM CDT by NWS Austin/San Antonio TX

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of the I-35 Corridor and Coastal Plains, including the following counties, Bastrop, Caldwell, Comal, De Witt, Fayette, Gonzales, Guadalupe, Hays, Lavaca, Lee, Travis and Williamson. * WHEN...Through 7am Monday morning. * IMPACTS...There is a potential for LIFE-THREATENING flooding somewhere in the watch area. Excessi...

Ensure you have a way to receive warnings and check the notification settings on your phone to ensure Wireless Emergency Alerts are enabled. You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should f...

Met · Severe · Immediate
Flash Flood Warning issued April 12 at 12:50PM CDT until April 12 at 3:15PM CDT by NWS Austin/San Antonio TX

At 1250 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 2 and 5 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar and automated gau...

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Stay away or be swept away. River banks and culverts can become unstable and unsafe.

Today's Hourly Forecast

24-hour breakdown for Karnes City, Texas

12 AM
Patchy rain nearby
23°
Patchy rain nearby
💧 84% 💨 22.3 km/h 🌧️ 68%
1 AM
Patchy rain nearby
23°
Patchy rain nearby
💧 84% 💨 22 km/h 🌧️ 100%
2 AM
Overcast
23°
Overcast
💧 84% 💨 23 km/h
3 AM
Overcast
23°
Overcast
💧 84% 💨 23.4 km/h
4 AM
Overcast
23°
Overcast
💧 84% 💨 21.6 km/h
5 AM
Patchy rain nearby
23°
Patchy rain nearby
💧 87% 💨 22 km/h 🌧️ 100%
6 AM
Patchy rain nearby
22°
Patchy rain nearby
💧 88% 💨 20.2 km/h 🌧️ 63%
7 AM
Patchy rain nearby
23°
Patchy rain nearby
💧 89% 💨 19.8 km/h 🌧️ 85%
8 AM
Patchy rain nearby
23°
Patchy rain nearby
💧 88% 💨 19.8 km/h 🌧️ 75%
9 AM
Overcast
23°
Overcast
💧 86% 💨 21.2 km/h
10 AM
Sunny
24°
Sunny
💧 83% 💨 25.2 km/h
11 AM
Cloudy
25°
Cloudy
💧 77% 💨 27 km/h
12 PM
Cloudy
25°
Cloudy
💧 76% 💨 27.7 km/h
1 PM
Patchy rain nearby
26°
Patchy rain nearby
💧 76% 💨 29.2 km/h 🌧️ 68%
2 PM
Overcast
26°
Overcast
💧 74% 💨 31.7 km/h
3 PM
Patchy rain nearby
26°
Patchy rain nearby
💧 73% 💨 32.8 km/h 🌧️ 78%
4 PM
Overcast
23°
Overcast
💧 90% 💨 31.7 km/h
5 PM
Cloudy
26°
Cloudy
💧 66% 💨 30.6 km/h
6 PM
Partly Cloudy
25°
Partly Cloudy
💧 70% 💨 29.5 km/h
7 PM
Thundery outbreaks in nearby
24°
Thundery outbreaks in nearby
💧 75% 💨 28.4 km/h
8 PM
Thundery outbreaks in nearby
23°
Thundery outbreaks in nearby
💧 80% 💨 28.1 km/h
9 PM
Thundery outbreaks in nearby
22°
Thundery outbreaks in nearby
💧 86% 💨 26.6 km/h
10 PM
Thundery outbreaks in nearby
22°
Thundery outbreaks in nearby
💧 88% 💨 27 km/h
11 PM
Thundery outbreaks in nearby
22°
Thundery outbreaks in nearby
💧 90% 💨 23.4 km/h

3-Day Forecast

Daily overview for Karnes City, Texas

Today
Patchy rain nearby
Patchy rain nearby
27° / 22°
🌧️ 85% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 32.8 km/h
🌧️ Total precip: 0.29 mm
☀️ UV Index: 1.3
🌅 Sunrise: 07:09 AM
🌇 Sunset: 07:56 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Partly Cloudy
Partly Cloudy
32° / 21°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 30.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 07:08 AM
🌇 Sunset: 07:56 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Overcast
Overcast
30° / 21°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 32.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 07:07 AM
🌇 Sunset: 07:57 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Karnes City

Plan your trip to Karnes City, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Karnes City 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Karnes City?
Current conditions in Karnes City: Overcast, temperature 23°C, humidity 90%.
What is the best time to visit Karnes City?
The best time to visit Karnes City is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Karnes City?
Karnes City is located at approximately 28.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Karnes City?
The wettest period in Karnes City is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Karnes City?
For visits to Karnes City during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Karnes City in?
Karnes City is located in United States, in the state of Texas.
What are the public holidays in Karnes City in 2026?
View the 2026 public holidays for Karnes City on our Holidays page.
What are the GPS coordinates used for the weather forecast in Karnes City?
The weather forecast for Karnes City uses coordinates 28.885, -97.9008.