Air Quality Alert AIR QUALITY ALERT - Plano, Collin County, Texas
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Updated: @ 20-Oct-2026 6:05pm - next update at 6:10pm  
Summary / Temperature Wind Precipitation Outlook


Partly cloudy, Dry
Partly cloudy, Dry

75.6°F Colder 2°F than last hour.
Comfortable
Currently 75.6, Max: 80.0, Min: 53.5 Feels like:
77°F

24-hr
difference
2.5°FWarmer 2.5°F than yesterday at this time.
TEMP HIGH LOW
Today 80.0°F
3:45pm
53.5°F
7:39am
Yesterday 76.5°F
3:08pm
50.0°F
7:30am
Record 95°F
1934
33°F
1989
Normal 77°F
56°F
 Wind from E E
3.5
Gust:
4.0
Light Breeze

60-Min Avg: 3.5 mph
120-Min Avg: 2.3 mph
Max Gust: 11.5 mph 3:28pm
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
15 days since last rain
Tonight

Tonight: Clear
Clear

Barometer Humidity/Dew Point Moon
Current: 30.189 inHg  
1-Hr Trend: Steady
3-Hr Trend: Steady
High: 30.296  |  Low: 30.183
Humidity: 33 %  
Humidex: 75.6°F
Dewpoint: 44.5°F Decreased 1.8°F since last hour.
Wetbulb: 59.3°F
Waxing Gibbous
Waxing Gibbous, Moon at 9 days in cycle
72%
Illuminated
Current UV Index Current Solar Energy
   0.0   None
High: 3.6 @ 12:59pm
Time to Burn: 720 Mins
Energy: 0 W/m2 (54%)
High: 891 at  1:14pm
Apparent Temp: 78.2°F
Heat Index Cooling Degree Days Sun
Current: 77.3°F
Today: 80.0°F  3:45pm
Yesterday: 76.4°F
Last Week: 102.9°F
Record: 106.0°F   13-Oct-2026
Today: 0.0
October: 170.1
2026 to Date: 3510.8
Heating Degree Days
2026 to Date: 956.2
Sunlight Hours
Possible hours of Daylight
11:12 hrs:min
-00:01:55 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 7:35am
Sunset: 6:47pm
Moonrise: 3:50pm
Moonset: 1:52am
Full Moon: October 26 2026
New Moon: 07:03 UTC November 9 2026
Updated at Midnight
Current: 0.13 in   
7-Days Rain: 0.00 in   
7-Days ET: 0.97 in   
7-Day: -0.97 in 0.97 in water in deficit of what evaporated in last 7 days.
October: 0.96 in 0.96 in water in excess of what evaporated this month.
Irrigation System: Ready
Other Conditions
Air Density: 1.19 kg/m3
Cloud Height: 7127 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: MODERATE
Currently:
50.8 at 6:05 PM
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  -   This Afternoon's and Tonight's Outlook
This
Afternoon
This Afternoon: Sunny
Sunny

Hi 80 °F
NWS forecast: Sunny. High near 80, with temperatures falling to around 78 in the afternoon. East wind around 5 mph.
Tonight

Tonight: Clear
Clear

Lo 54 °F
NWS forecast: Clear, with a low around 54. East southeast wind around 5 mph.
 NWS NWS Short Term Weather Forecast
Tonight

Tonight: Clear
Clear
Wednesday

Wednesday: Sunny
Sunny
Wednesday
Night
Wednesday Night: Clear
Clear
Thursday

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

Friday: Mostly Sunny
Mostly Sunny
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Saturday

Saturday: Mostly Sunny
Mostly Sunny
Lo 54 °F Hi 80 °F Lo 57 °F Hi 82 °F Lo 61 °F Hi 83 °F Lo 60 °F Hi 82 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.