Flood Watch FLOOD WATCH - Plano, Collin County, Texas
spacer
Updated: @ 02-Oct-2026 5:00pm - next update at 5:05pm  
Summary / Temperature Wind Precipitation Outlook


Partly cloudy, Humid
Partly cloudy, Humid

75.9°F Colder 0.6°F than last hour.
Comfortable
Currently 75.9, Max: 77.4, Min: 71.4 Feels like:
76°F

24-hr
difference
3.8°FWarmer 3.8°F than yesterday at this time.
TEMP HIGH LOW
Today 77.4°F
4:31pm
71.4°F
12:28am
Yesterday 79.9°F
1:19am
68.7°F
9:41am
Record 99°F
1951
47°F
1985
Normal 84°F
63°F
 Wind from NNE NNE
4.4
Gust:
4.4
Light Breeze

60-Min Avg: 4.6 mph
120-Min Avg: 3.5 mph
Max Gust: 15.4 mph 1:57pm
Month: 28.8 mph Oct 1
Today: 0.25 in
Storm Rain: 2.75 in
Yesterday: 2.69 in
Last
Rain:
10/2/2026
10:21 AM
October: 2.94 in
Last 7 Days: 2.93 in
Rain Season:1 25.72 in
Rain Days: 59 in 2026
2 rain days in October
Tonight

Tonight: Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Slight Chance Showers And T-Storms then Showers And T-Storms Likely

Barometer Humidity/Dew Point Moon
Current: 29.996 inHg  
1-Hr Trend: Steady
3-Hr Trend: Falling slowly
High: 30.056  |  Low: 29.908
Humidity: 85 % Increased 1% since last hour.
Humidex: 92.2°F
Dewpoint: 71.1°F Decreased 0.1°F since last hour.
Wetbulb: 72.7°F
Waning Gibbous
Waning Gibbous, Moon at 21 days in cycle
57%
Illuminated
Current UV Index Current Solar Energy
   0.0   None
High: 2.5 @ 12:07pm
Time to Burn: 720 Mins
Energy: 0 W/m2 (45%)
High: 375 at  4:29pm
Apparent Temp: 85.6°F
Heat Index Cooling Degree Days Sun
Current: 76.4°F
Today: 77.4°F  4:31pm
Yesterday: 79.9°F
Last Week: 103.7°F
Record: 127.2°F   26-Aug-2023
Today: 4.8
October: 13.2
2026 to Date: 3353.1
Heating Degree Days
2026 to Date: 930.5
Sunlight Hours
Possible hours of Daylight
11:50 hrs:min
-00:02:01 Min
Almanac Irrigation Index5 Station All Time Records Fire Risk
Sunrise: 7:21am
Sunset: 7:11pm
Moonrise: 10:43pm
Moonset: 1:52pm
Full Moon: September 26 2026
New Moon: 15:51 UTC October 10 2026
Updated at Midnight
Current: 0.06 in   
7-Days Rain: 2.93 in   
7-Days ET: 1.01 in   
7-Day: 1.92 in 1.92 in water in excess of what evaporated in last 7 days.
October: 2.91 in 2.91 in water in excess of what evaporated this month.
Irrigation System: Suspended
Other Conditions
Air Density: 1.18 kg/m3
Cloud Height: 1862 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:3 ISS:Ok CON:4.6 RCP:98%
Chandler Burning Index
Chandler Burning Index: LOW
Currently:
0.1 at 5:00 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: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms

Hi 78 °F
NWS forecast: A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 78. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts between a quarter and half of an inch possible.
Tonight

Tonight: Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Slight Chance Showers And T-Storms then Showers And T-Storms Likely

Lo 68 °F
NWS forecast: A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Cloudy. Low around 68, with temperatures rising to around 70 overnight. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
 NWS NWS Short Term Weather Forecast
Tonight

Tonight: Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Slight Chance Showers And T-Storms then Showers And T-Storms Likely
Saturday

Saturday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Saturday
Night
Saturday Night: Slight Chance Rain Showers
Slight Chance Rain Showers
Sunday

Sunday: Slight Chance Rain Showers then Partly Sunny
Slight Chance Rain Showers then Partly Sunny
Sunday
Night
Sunday Night: Partly Cloudy
Partly Cloudy
Monday

Monday: Sunny
Sunny
Monday
Night
Monday Night: Clear
Clear
Tuesday

Tuesday: Sunny
Sunny
Lo 68 °F Hi 75 °F Lo 67 °F Hi 82 °F Lo 64 °F Hi 82 °F Lo 60 °F Hi 82 °F
US Radar & Infrared Satellite
US Radar National Infrared Satellite
Radar/Satellite images courtesy of Weather Underground.