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Heat Advisory HEAT ADVISORY - Lehigh Valley
Excessive Heat Watch EXCESSIVE HEAT WATCH - Lehigh Valley

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METRIC | IMPERIAL
Updated: 18-Jun-2024 @ 6:00pm   (0 sec ago)
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Colder 2.5°F than last hour.

87.7°F

Heat Index:  93.9°F
Warm
High Today
90.3°F
4:54 PM 		Low Today
67.2°F
6:15 AM
Yest High
87.0°F
5:22 PM 		Yest Low
63.5°F
5:58 AM
Sta* High
93.3°F
2018 		Sta* Low
50.6°F
2021
* This Station's Records Since 06/2011
Sunny, Dry Sunny, Dry

Wind from SSE Wind:  SSE
6.1
Gusting to:
 5.0 mph
Current Rain Rain:
0.00in
Chandler Burning Index: LOW Current CBI
Fire Danger:
11.3 of 100
This
Afternoon
This Afternoon: Sunny
Sunny
Tonight

Tonight: Mostly Clear
Mostly Clear
Juneteenth

Juneteenth: Mostly Sunny
Mostly Sunny
Hi 91°F Lo 66°F Hi 91°F
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Decreased 0.9°F since last hour. 72.1°F
Last Hour: Decreased 0.9°F since last hour. 0.9°F
High 12:37 PM: 76.1°F
Low 6:15 AM: 64.2°F
Record High: 81.1°F on
27-Jul-2023
Record Low: -19.8°F on
7-Jan-2014
Wetbulb: 77.0°F
Rain Today
rain graph
Today: 0.00in
Yesterday: 0.00in
Last 7 Days: 0.07in
Jun Rain: 0.66in
Jun to Date
  Avg:10 		0.00in
Jun to Date
  Diff from Avg:10 		Over 0.66in for the month 0.66in
Jun Avg: 4.31in
Diff from Avg: Under 3.65in for the month 3.65in
Season:1 22.48in
YTD
  Avg:11 		16.82in
YTD
  Diff from Avg:11 		Over 5.66in for the year 5.66in
Last Rain
Time/Date: 		15-Jun-2024
at 2:20 AM
80 rain days in 2024
4 days in June
3 days since last rain
Current: SSE  6.1mph
1Hr Average: 5.8mph
Wind Run: 51.64 miles
Wind Gust
Current: 5.0mph
Today: 16.1mph 2:00 PM
Month: 35.0mph 14-Jun
Year: 45.0mph 3-Apr
Record Gust: 52.9mph
25-Feb-2017
Sunlight:
15 hrs 7 min
22 sec
of Sunlight Today Which is 10 sec longer than
yesterday
 (Noon) graph (Midnight)

Waxing Gibbous
Waxing Gibbous, 12 days, 9 hours, 27 minutes in cycle
90%
Illuminated
Humidity Barometer
Current: Increased 3% since last hour. 60%
Last Hour: Increased 3% since last hour. 3%
High 6:17 AM: 91%
Low 4:55 PM: 54%
Record High: 100%
30-May-2011
Record Low: 0%
31-Jul-2015
Current: Falling 0.01 inHg/hr 30.214inHg
Last Hour: Steady
High 10:45 AM: 30.273
Low 12:04 AM: 30.189
Record High: 30.874inHg
28-Feb-2015
Record Low: 28.860inHg
7-Feb-2020
Cooling Degree Days Snow3 Heat Index Air
Today: 5.9
Jun: 90.2
2024 to Date: 178.5
Heating Degree Days
2024 to Date: 2953.3
Today: 0.00in
Yesterday: 0.00in
Jun Snow: No Change 0.00in
Jun Avg: 0.00in
Diff from Avg: 0.00in
Season Total:2 24.05in
Snow Depth: 0.00in
0 snow days in June
2 snow days this season.2
Average 1st Snow:
0
Current: 93.9°F
High 4:54pm: 99.8°F
Yesterday: 93.1°F
Record: 112.3°F
21-Jul-2019
Quality
Index6:
60

Moderate
Current UV Index Current Solar Energy
1.3
Sunburn in
86 Minutes 		Highest:
12:54 PM
7.8
344 W/m2
80%
W/m2 ⇒ SI Solar % ⇒ SI 		High Today:
2:36 PM
 872  W/m2
Record:
1363 W/m2
Almanac Irrigation Index5 Station All Time Records Cloud Level
Currently: Evening
YTD Avg Temp: 48.6°F
Sunrise: 5:30 am
Sunset: 8:35 pm
Moonrise: 5:36 pm
Moonset: 2:43 am
Full Moon: 21-Jun-2024
New Moon: 22:58 UTC
05-Jul-2024
Updated at Midnight
Current ET: 0.28in
7-Days Rain: 0.07in
7-Days ET: 1.40in
7-Day: 1.328in water in deficit of what evaporated in last 7 days. 1.328in
June: 2.14in water in deficit of what evaporated this month. 2.14in
HIGHS: LOWS:
97.3°F
7-Jul-2012 		-6.2°F
31-Jan-2019
Daytime Records
  95.2°F°F
03-Jul-2018 		  6.1°F°F
07-Jan-2014
Nitetime Records
  83.5°F°F
21-Jul-2019 		  -0.4°F°F
31-Jan-2019
ICN:18 | S3C2:1 | Ajax 3.xx
ISS:Ok | CON:4.7 | RCP:99%
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow manually measured usually around 7AM and 7PM.   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).   6 Air Quality Index is provided by Minnesota Polution Control Agency and is updated hourly between the hours of 6AM and Midnight.   10 Historical average only to day 18 of just the month of June for this station since 2011.   11 Historical average rain this season to day 18 of June for this station since 2011.
 NWS Weather Forecast  -   Outlook This Afternoon & Tonight
This
Afternoon
This Afternoon: Sunny
Sunny

Hi 91°F 		NWS forecast: Sunny, with a high near 91. South wind around 10 mph.
Local station forecast: Mostly clear this evening, then becoming partly cloudy. Lows in the mid 60s. South winds 5 to 10 mph. 		Tonight

Tonight: Mostly Clear
Mostly Clear

Lo 66°F 		NWS forecast: Mostly clear, with a low around 66. South wind 0 to 10 mph.
 NWS Short Term Weather Forecast
Juneteenth

Juneteenth: Mostly Sunny
Mostly Sunny
Wednesday
Night
Wednesday Night: Partly Cloudy then Patchy Fog
Partly Cloudy then Patchy Fog
Thursday

Thursday: Patchy Fog then Mostly Sunny
Patchy Fog then Mostly Sunny
Thursday
Night
Thursday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Friday

Friday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Friday
Night
Friday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Saturday

Saturday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms
Hi 91°F Lo 64°F Hi 91°F Lo 68°F Hi 95°F Lo 70°F Hi 92°F
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