Heat Advisory HEAT ADVISORY - Plano, Collin County, Texas
spacer
Updated: @ 29-Jul-2026 7:50am - next update at 7:55am  
Summary / Temperature Wind Precipitation Outlook


Partly cloudy, Dry
Partly cloudy, Dry

82.8°F Warmer 1.5°F than last hour.
Warm
Currently 82.8, Max: 88.1, Min: 81.2 Feels like:
89°F

24-hr
difference
1.8°FWarmer 1.8°F than yesterday at this time.
TEMP HIGH LOW
Today 88.1°F
12:00am
81.2°F
6:42am
Yesterday 101.1°F
3:38pm
80.0°F
6:53am
Record 109°F
1912
67°F
1984
Normal 97°F
77°F
 Wind from SW SW
3.5
Gust:
6.6
Light Breeze

60-Min Avg: 2.3 mph
120-Min Avg: Calm
Max Gust: 15.4 mph 1:11am
Month: 42.9 mph Jul 15
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain:
7/19/2026
7:45 PM
July: 1.48 in
Last 7 Days: 0.00 in
Rain Season:1 22.53 in
Rain Days: 57 in 2026
10 days since last rain
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Barometer Humidity/Dew Point Moon
Current: 29.846 inHg Rising 0.02 °F/hr
1-Hr Trend: Rising slowly
3-Hr Trend: Rising slowly
High: 29.846  |  Low: 29.799
Humidity: 73 % Decreased 2% since last hour.
Humidex: 101.2°F
Dewpoint: 73.3°F Increased 0.7°F since last hour.
Wetbulb: 76.2°F
Full Moon
Full Moon, Moon at 14 days in cycle
100%
Illuminated
Current UV Index Current Solar Energy
   0.0   None
High: 0.0 @ 12:00am
Time to Burn: 720 Mins
Energy: 0 W/m2 (47%)
High: 65 at  7:47am
Apparent Temp: 94.2°F
Heat Index Cooling Degree Days Sun
Current: 89.1°F
Today: 95.4°F  12:00am
Yesterday: 111.7°F
Last Week: 126.0°F
Record: 127.2°F   26-Aug-2023
Today: 6.5
July: 625.3
2026 to Date: 1820.7
Heating Degree Days
2026 to Date: 930.5
Sunlight Hours
Possible hours of Daylight
13:51 hrs:min
-00:01:25 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 6:38am
Sunset: 8:29pm
Moonrise: 8:18pm
Moonset: 6:32am
Full Moon: July 29 2026
New Moon: 17:37 UTC August 12 2026
Updated at Midnight
Current: 0.07 in   
7-Days Rain: 0.00 in   
7-Days ET: 2.07 in   
7-Day: -2.07 in 2.07 in water in deficit of what evaporated in last 7 days.
July: -6.11 in 6.11 in water in deficit of what evaporated this month.
Irrigation System: Standby
Other Conditions
Air Density: 1.16 kg/m3
Cloud Height: 2940 ft
HIGHS: LOWS:
111.0°F
Aug 18 2023
-2.0°F
Feb 16 2021
Daytime Records
108.1°F
Aug 19 2024
3.6°F
Feb 15 2021
Nitetime Records
95.2°F
Aug 11 2023
2.1°F
Feb 16 2021
ICN:0 ISS:Ok CON:4.6 RCP:98%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
3.7 at 07:50 AM
1 Rain season: Jan 1st to Dec 31st.    5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present.)
 NWS Weather Forecast  -   Today's and Tonight's Outlook
Today

Today: Mostly Sunny
Mostly Sunny

Hi 101 °F
NWS forecast: Mostly sunny, with a high near 101. Heat index values as high as 108. South southwest wind 5 to 10 mph.
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 82 °F
NWS forecast: Partly cloudy, with a low around 82. Heat index values as high as 105. South wind 5 to 10 mph.
 NWS NWS Short Term Weather Forecast
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Thursday

Thursday: Sunny
Sunny
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday

Friday: Sunny
Sunny
Friday
Night
Friday Night: Mostly Clear
Mostly Clear
Saturday

Saturday: Sunny
Sunny
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday

Sunday: Sunny
Sunny
Lo 82 °F Hi 101 °F Lo 82 °F Hi 104 °F Lo 82 °F Hi 99 °F Lo 77 °F Hi 96 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.