Air Quality Alert AIR QUALITY ALERT - Plano, Collin County, Texas
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Updated: @ 08-Oct-2026 4:40pm - next update at 4:45pm  
Summary / Temperature Wind Precipitation Outlook


Sunny, Dry
Sunny, Dry

89.0°F Colder 0.6°F than last hour.
Warm
Currently 89.0, Max: 90.6, Min: 62.2 Feels like:
89°F

24-hr
difference
2.2°FWarmer 2.2°F than yesterday at this time.
TEMP HIGH LOW
Today 90.6°F
3:49pm
62.2°F
7:13am
Yesterday 87.6°F
4:14pm
60.4°F
7:16am
Record 96°F
1979
39°F
2012
Normal 82°F
60°F
 Wind from ESE ESE
0.8
Gust:
1.0
Calm

60-Min Avg: 2.3 mph
120-Min Avg: 3.5 mph
Max Gust: 12.0 mph 4:02pm
Month: 28.8 mph Oct 1
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain:
10/4/2026
5:28 AM
October: 3.23 in
Last 7 Days: 0.28 in
Rain Season:1 26.01 in
Rain Days: 62 in 2026
3 days since last rain
Tonight

Tonight: Clear
Clear

Barometer Humidity/Dew Point Moon
Current: 29.950 inHg Falling 0.01 °F/hr
1-Hr Trend: Steady
3-Hr Trend: Falling
High: 30.060  |  Low: 29.948
Humidity: 39 % Increased 1% since last hour.
Humidex: 97.3°F
Dewpoint: 60.8°F Increased 0.2°F since last hour.
Wetbulb: 71.2°F
Waning Crescent
Waning Crescent, Moon at 27 days in cycle
4%
Illuminated
Current UV Index Current Solar Energy
   0.7    Low 
High: 3.5 @ 1:17pm
Time to Burn: 160 Mins
Energy: 0 W/m2 (47%)
High: 782 at  1:18pm
Apparent Temp: 99.2°F
Heat Index Cooling Degree Days Sun
Current: 88.9°F
Today: 91.2°F  3:49pm
Yesterday: 86.2°F
Last Week: 91.1°F
Record: 91.2°F   08-Oct-2026
Today: 2.0
October: 57.4
2026 to Date: 3397.6
Heating Degree Days
2026 to Date: 930.5
Sunlight Hours
Possible hours of Daylight
11:37 hrs:min
-00:02:01 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 7:26am
Sunset: 7:03pm
Moonrise: 5:20am
Moonset: 5:48pm
Full Moon: September 26 2026
New Moon: 15:51 UTC October 10 2026
Updated at Midnight
Current: 0.15 in   
7-Days Rain: 0.28 in   
7-Days ET: 0.57 in   
7-Day: -0.29 in 0.29 in water in deficit of what evaporated in last 7 days.
October: 2.74 in 2.74 in water in excess of what evaporated this month.
Irrigation System: Standby
Other Conditions
Air Density: 1.15 kg/m3
Cloud Height: 6448 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:
39.3 at 4:40 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 88 °F
NWS forecast: Sunny, with a high near 88. East wind around 5 mph.
Tonight

Tonight: Clear
Clear

Lo 65 °F
NWS forecast: Clear, with a low around 65. East northeast wind 0 to 5 mph.
 NWS NWS Short Term Weather Forecast
Tonight

Tonight: Clear
Clear
Friday

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

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

Sunday: Sunny
Sunny
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Columbus
Day
Columbus Day: Sunny
Sunny
Lo 65 °F Hi 90 °F Lo 65 °F Hi 87 °F Lo 66 °F Hi 89 °F Lo 70 °F Hi 89 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.