Air Quality Alert AIR QUALITY ALERT - Plano, Collin County, Texas
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Updated: @ 13-May-2026 5:35am - next update at 5:40am  
Summary / Temperature Wind Precipitation Outlook


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

61.2°F Colder 2.7°F than last hour.
Comfortable
Currently 61.2, Max: 69.7, Min: 61.2 Feels like:
61°F

24-hr
difference
3.2°FWarmer 3.2°F than yesterday at this time.
TEMP HIGH LOW
Today 69.7°F
12:09am
61.2°F
5:33am
Yesterday 84.5°F
4:16pm
57.2°F
6:37am
Record 95°F
1956
43°F
1971
Normal 83°F
64°F
 Calm SSE
0.0
Gust:
0.0
Calm

60-Min Avg: Calm
120-Min Avg: Calm
Max Gust: 5.8 mph 5:24pm
Month: 37.4 mph May 10
Today: 0.00 in
Yesterday: 0.00 in
Last
Rain:
5/10/2026
10:04 PM
May: 1.87 in
Last 7 Days: 1.86 in
Rain Season:1 12.79 in
Rain Days: 38 in 2026
2 days since last rain
Tonight

Tonight: Mostly clear, with a low around 68. Southeast wind around 5 mph.
Mostly Clear

Barometer Humidity/Dew Point Moon
Current: 30.048 inHg Rising 0.02 °F/hr
1-Hr Trend: Rising slowly
3-Hr Trend: Rising slowly
High: 30.050  |  Low: 30.013
Humidity: 79 % Increased 6% since last hour.
Humidex: 65.8°F
Dewpoint: 54.6°F Decreased 0.5°F since last hour.
Wetbulb: 57.5°F
Waning Crescent
Waning Crescent, Moon at 25 days in cycle
16%
Illuminated
UV Forecast Current Solar Energy
13-May-2026   Very High   8.9   
14-May-2026   Very High   8.4   
15-May-2026   Very High   8.7   
Energy: 0 W/m2 (0%)
High: 0 at  12:00am
Apparent Temp: 62.7°F
Wind Chill Heating Degree Days Sun
Current: 61.2°F
Today: 61.2°F  at 5:33am
Yesterday: 57.2°F
Last Week: 50.0°F
Record: -13.4°F   15-Feb-2021
Today: 0.0
May: 14.3
2026 to Date: 930.5
Cooling Degree Days
2026 to Date: 413.3
Sunlight Hours
Possible hours of Daylight
13:49 hrs:min
+ 00:01:29 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 6:28am
Sunset: 8:17pm
Moonrise: 4:05am
Moonset: 4:56pm
Full Moon: May 01 2026
New Moon: 20:02 UTC May 16 2026
Updated at Midnight
Current: 0.03 in   
7-Days Rain: 1.86 in   
7-Days ET: 1.05 in   
7-Day: 0.81 in 0.81 in water in excess of what evaporated in last 7 days.
May: -0.13 in 0.13 in water in deficit of what evaporated this month.
Irrigation System: Standby
Other Conditions
Air Density: 1.22 kg/m3
Cloud Height: 2258 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:1 ISS:Ok CON:4.6 RCP:98%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
0.7 at 05:35 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: Sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Sunny

Hi 90 °F
NWS forecast: Sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight

Tonight: Mostly clear, with a low around 68. Southeast wind around 5 mph.
Mostly Clear

Lo 68 °F
NWS forecast: Mostly clear, with a low around 68. Southeast wind around 5 mph.
 NWS NWS Short Term Weather Forecast
Tonight

Tonight: Mostly clear, with a low around 68. Southeast wind around 5 mph.
Mostly Clear
Thursday

Thursday: Sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 25 mph.
Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 71. South wind around 15 mph, with gusts as high as 25 mph.
Partly Cloudy
Friday

Friday: Mostly sunny, with a high near 91. South wind 15 to 20 mph, with gusts as high as 35 mph.
Mostly Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 71. South wind 15 to 20 mph, with gusts as high as 30 mph.
Partly Cloudy
Saturday

Saturday: Mostly sunny, with a high near 89. South wind 15 to 20 mph, with gusts as high as 30 mph.
Mostly Sunny
Saturday
Night
Saturday Night: Partly cloudy, with a low around 73. South wind 15 to 20 mph, with gusts as high as 25 mph.
Partly Cloudy
Sunday

Sunday: Partly sunny, with a high near 91. South wind 15 to 20 mph, with gusts as high as 30 mph.
Partly Sunny
Lo 68 °F Hi 91 °F Lo 71 °F Hi 91 °F Lo 71 °F Hi 89 °F Lo 73 °F Hi 91 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.