Air Quality Alert AIR QUALITY ALERT - Plano, Collin County, Texas
spacer
Updated: @ 21-Oct-2026 6:25am - next update at 6:30am  
Summary / Temperature Wind Precipitation Outlook


Night time, Dry, Clear
Night time, Dry, Clear

54.8°F  
Cool
Currently 54.8, Max: 59.6, Min: 54.2 Feels like:
55°F

24-hr
difference
-0.2°FColder 0.2°F than yesterday at this time.
TEMP HIGH LOW
Today 59.6°F
12:00am
54.2°F
5:46am
Yesterday 80.0°F
3:45pm
53.5°F
7:39am
Record 94°F
1979
36°F
1917
Normal 77°F
55°F
 Calm ESE
0.0
Gust:
0.0
Calm

60-Min Avg: Calm
120-Min Avg: Calm
Max Gust: 3.5 mph 12:57am
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
16 days since last rain
Wednesday

Wednesday: Sunny
Sunny

Barometer Humidity/Dew Point Moon
Current: 30.205 inHg  
1-Hr Trend: Steady
3-Hr Trend: Steady
High: 30.211  |  Low: 30.190
Humidity: 77 % Increased 2% since last hour.
Humidex: 56.1°F
Dewpoint: 47.7°F Increased 0.7°F since last hour.
Wetbulb: 51.2°F
Waxing Gibbous
Waxing Gibbous, Moon at 9 days in cycle
76%
Illuminated
UV Forecast Current Solar Energy
21-Oct-2026   Medium   5.9   
22-Oct-2026   Medium   5.8   
23-Oct-2026   Medium   5.5   
Energy: 0 W/m2 (0%)
High: 0 at  12:00am
Apparent Temp: 54.9°F
Wind Chill Heating Degree Days Sun
Current: 54.8°F
Today: 54.2°F  at 5:46am
Yesterday: 53.5°F
Last Week: 43.4°F
Record: 32.0°F   03-Oct-2026
Today: 1.7
October: 23.2
2026 to Date: 953.4
Cooling Degree Days
2026 to Date: 3510.9
Sunlight Hours
Possible hours of Daylight
11:10 hrs:min
-00:01:55 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 7:36am
Sunset: 6:46pm
Moonrise: 4:18pm
Moonset: 2:53am
Full Moon: October 26 2026
New Moon: 07:03 UTC November 9 2026
Updated at Midnight
Current: 0.01 in   
7-Days Rain: 0.00 in   
7-Days ET: 0.90 in   
7-Day: -0.9 in 0.9 in water in deficit of what evaporated in last 7 days.
October: 0.87 in 0.87 in water in excess of what evaporated this month.
Irrigation System: Standby
Other Conditions
Air Density: 1.24 kg/m3
Cloud Height: 1619 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:1 ISS:Ok CON:4.7 RCP:98%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
0.9 at 06:25 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  -   Overnight's and Wednesday's Outlook
Overnight

Overnight: Clear
Clear

Lo 53 °F
NWS forecast: Clear, with a low around 53. East wind around 5 mph.
Wednesday

Wednesday: Sunny
Sunny

Hi 81 °F
NWS forecast: Sunny. High near 81, with temperatures falling to around 79 in the afternoon. East southeast wind 0 to 5 mph.
 NWS NWS Short Term Weather Forecast
Wednesday

Wednesday: Sunny
Sunny
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly 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
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
Hi 81 °F Lo 58 °F Hi 83 °F Lo 59 °F Hi 83 °F Lo 60 °F Hi 82 °F Lo 60 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.