Air Quality Alert AIR QUALITY ALERT - Plano, Collin County, Texas
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Updated: @ 26-Sep-2026 7:30am - next update at 7:35am  
Summary / Temperature Wind Precipitation Outlook


Dawn
Dawn

70.7°F Colder 0.4°F than last hour.
Comfortable
Currently 70.7, Max: 76.0, Min: 69.2 Feels like:
75°F

24-hr
difference
2.1°FWarmer 2.1°F than yesterday at this time.
TEMP HIGH LOW
Today 76.0°F
12:02am
69.2°F
4:46am
Yesterday 91.6°F
4:02pm
68.2°F
7:51am
Record 100°F
1977
45°F
1942
Normal 86°F
65°F
 Wind from SSE SSE
1.7
Gust:
2.2
Light Air

60-Min Avg: Calm
120-Min Avg: 3.5 mph
Max Gust: 6.9 mph 5:26am
Month: 27.5 mph Sep 20
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain:
7/19/2026
7:44 PM
September: 0.00 in
Last 7 Days: 0.00 in
Rain Season:1 22.54 in
Rain Days: 57 in 2026
69 days since last rain
Tonight

Tonight: Mostly Clear
Mostly Clear

Barometer Humidity/Dew Point Moon
Current: 30.013 inHg Rising 0.01 °F/hr
1-Hr Trend: Steady
3-Hr Trend: Rising
High: 30.016  |  Low: 29.977
Humidity: 66 % Decreased 1% since last hour.
Humidex: 77.7°F
Dewpoint: 58.8°F Decreased 0.8°F since last hour.
Wetbulb: 63.6°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 (0%)
High: 5 at  7:28am
Apparent Temp: 72.6°F
Heat Index Cooling Degree Days Sun
Current: 74.9°F
Today: 76.0°F  12:02am
Yesterday: 94.8°F
Last Week: 107.9°F
Record: 127.2°F   26-Aug-2023
Today: 2.3
September: 562.4
2026 to Date: 3254.8
Heating Degree Days
2026 to Date: 930.5
Sunlight Hours
Possible hours of Daylight
12:02 hrs:min
-00:02:01 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 7:17am
Sunset: 7:19pm
Moonrise: 6:48pm
Moonset: 7:12am
Full Moon: September 26 2026
New Moon: 15:51 UTC October 10 2026
Updated at Midnight
Current: 0.01 in   
7-Days Rain: 0.00 in   
7-Days ET: 1.53 in   
7-Day: -1.54 in 1.54 in water in deficit of what evaporated in last 7 days.
September: -5.92 in 5.92 in water in deficit of what evaporated this month.
Irrigation System: Standby
Other Conditions
Air Density: 1.19 kg/m3
Cloud Height: 3483 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:97%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
6.1 at 07:30 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: Partly Sunny
Partly Sunny

Hi 92 °F
NWS forecast: Partly sunny, with a high near 92. South southeast wind around 5 mph.
Tonight

Tonight: Mostly Clear
Mostly Clear

Lo 74 °F
NWS forecast: Mostly clear, with a low around 74. South southeast wind around 5 mph.
 NWS NWS Short Term Weather Forecast
Tonight

Tonight: Mostly Clear
Mostly Clear
Sunday

Sunday: Slight Chance Showers And Thunderstorms then Sunny
Slight Chance Showers And T-Storms then Sunny
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy
Monday

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

Tuesday: Partly Sunny
Partly Sunny
Tuesday
Night
Tuesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Wednesday

Wednesday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Lo 74 °F Hi 94 °F Lo 75 °F Hi 94 °F Lo 76 °F Hi 95 °F Lo 75 °F Hi 90 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.