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Heat Advisory HEAT ADVISORY - Houston  - Richmond

NWS Southern Plains Regional Radar WU South Central Satellite
Radar/Satellite images courtesy of NOAA/NWS and Weather Underground.
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Updated: @ 21-Jul-2026 2:10am  
Summary / Temperature Wind Rain Outlook
Clear Clear
Currently: 76.6, Max: 79.5, Min: 76.6 76.6°F
Colder 1.3°F than last hour.

Comfortable

Feels like: 77°F

24-hr difference
-0.4°FColder 0.4°F than yesterday at this time.
  Today Yesterday
High: 79.5°F
12:00am 		96.6°F
4:30pm
Low: 76.6°F
2:10am 		72.3°F
6:35am
Wind from S S
1.6
Gust:
 2.2 mph
1 Bft - Light air
Today: 5.8 mph 12:30am
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 4.1 in
Season Total: 34.75 in
4 days since last rain.
Tuesday

Tuesday: Sunny
Sunny
Humidity & Barometer Almanac Moon
Humidity: 99 %  
Dew Point: 76.3°F Decreased 1.2°F since last hour.
Barometer: 29.86 inHg  
Baro Trend: Steady
Sunrise: 6:36am
Sunset: 8:22pm
Moonset: 12:23am
Moonrise: 2:01pm
Waxing Crescent
Waxing Crescent, Moon at 7 days in cycle
48%
Illuminated
UV Index Solar Radiation
   0    None
High: 0 @ 12:00am
0 W/m2
High: 0 @  12:00am
 NWS Weather Forecast  - Outlook: Overnight & Tuesday
Overnight

Overnight: Mostly Clear
Mostly Clear

Lo 73 °F		 NWS forecast: Mostly clear, with a low around 73. Southwest wind around 5 mph.
 
Tuesday

Tuesday: Sunny
Sunny

Hi 99 °F		 NWS forecast: Sunny, with a high near 99. Heat index values as high as 107. West wind 0 to 5 mph.