Air Quality Alert AIR QUALITY ALERT - Plano, Collin County, Texas
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Updated: @ 23-Oct-2026 11:50am - next update at 11:55am  
Summary / Temperature Wind Precipitation Outlook


Sunny, Dry
Sunny, Dry

78.3°F Warmer 4.8°F than last hour.
Comfortable
Currently 78.3, Max: 78.3, Min: 54.9 Feels like:
79°F

24-hr
difference
0.5°FWarmer 0.5°F than yesterday at this time.
TEMP HIGH LOW
Today 78.3°F
11:49am
54.9°F
7:43am
Yesterday 83.6°F
2:52pm
55.1°F
7:40am
Record 91°F
1939
36°F
1990
Normal 76°F
54°F
 Wind from SSE SSE
2.9
Gust:
5.0
Light Air

60-Min Avg: 4.6 mph
120-Min Avg: 3.5 mph
Max Gust: 11.5 mph 11:30am
Month: 32.0 mph Oct 16
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain:
10/4/2026
5:28 AM
October: 3.23 in
Last 7 Days: 0.00 in
Rain Season:1 26.01 in
Rain Days: 62 in 2026
18 days since last rain
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Barometer Humidity/Dew Point Moon
Current: 30.189 inHg  
1-Hr Trend: Steady
3-Hr Trend: Rising slowly
High: 30.200  |  Low: 30.128
Humidity: 39 % Decreased 8% since last hour.
Humidex: 81.2°F
Dewpoint: 51.3°F Decreased 0.8°F since last hour.
Wetbulb: 63.0°F
Waxing Gibbous
Waxing Gibbous, Moon at 12 days in cycle
92%
Illuminated
Current UV Index Current Solar Energy
   2.9    Low 
High: 2.9 @ 11:48am
Time to Burn: 39 Mins
Energy: 0 W/m2 (100%)
High: 751 at  11:49am
Apparent Temp: 90.1°F
Heat Index Cooling Degree Days Sun
Current: 78.8°F
Today: 78.3°F  11:49am
Yesterday: 81.8°F
Last Week: 81.8°F
Record: 106.0°F   13-Oct-2026
Today: 0.0
October: 175.3
2026 to Date: 3516.1
Heating Degree Days
2026 to Date: 953.9
Sunlight Hours
Possible hours of Daylight
11:07 hrs:min
-00:01:55 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 7:37am
Sunset: 6:44pm
Moonrise: 5:14pm
Moonset: 4:55am
Full Moon: October 26 2026
New Moon: 07:03 UTC November 9 2026
Updated at Midnight
Current: 0.08 in   
7-Days Rain: 0.00 in   
7-Days ET: 0.81 in   
7-Day: -0.81 in 0.81 in water in deficit of what evaporated in last 7 days.
October: 0.65 in 0.65 in water in excess of what evaporated this month.
Irrigation System: Ready
Other Conditions
Air Density: 1.19 kg/m3
Cloud Height: 6180 ft
HIGHS: LOWS:
110.8°F
Sep 8 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:4.7 RCP:98%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
37.4 at 11:50 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 84 °F
NWS forecast: Mostly sunny, with a high near 84. Southeast wind 5 to 10 mph.
Tonight

Tonight: Partly Cloudy
Partly Cloudy

Lo 59 °F
NWS forecast: Partly cloudy. Low around 59, with temperatures rising to around 61 overnight. Southeast wind around 5 mph.
 NWS NWS Short Term Weather Forecast
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Saturday

Saturday: Mostly Sunny
Mostly Sunny
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
Sunday

Sunday: Partly Sunny
Partly Sunny
Sunday
Night
Sunday Night: Mostly Cloudy
Mostly Cloudy
Monday

Monday: Mostly Sunny
Mostly Sunny
Monday
Night
Monday Night: Mostly Cloudy
Mostly Cloudy
Tuesday

Tuesday: Partly Sunny
Partly Sunny
Lo 59 °F Hi 84 °F Lo 61 °F Hi 81 °F Lo 59 °F Hi 79 °F Lo 60 °F Hi 79 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.