Thursday May 21 2020

Here is data many students need for their weather projects to document and journal conditions yesterday, climate report today, and daily weather map.

Climate Data Update

Check this out: 

🥵 May 20, 2019 = 91ºF; the first 90s of the year!

🥶 May 20, 2020 = 63ºF; the 11th day this month below 70ºF!


Coldest May Temperatures In Baltimore 

Average of daily high and low temps

  1. 1967 = 57.0ºF
  2. 2020 = 57.9ºF (through May 20)
  3. 1882 = 59.0ºF
  4. 2005 = 59.2ºF
  5. 1917 = 59.2ºF


Yesterday’s Weather Data

Wednesday May 20 2020

High = 68ºF at 2:25 PM

Low = 58ºF at 3:16 AM 

Rainfall: 0.00″

Winds were from the East

  • Top Speed (1 minute average) = 16  mph
  • Top Gust (3 to 10 seconds) = 22 mph

Please note that humidity and dew point often change each hour like the temperature. These are not recorded as high or low, and can be arbitrary depending on the time you check.

Current Data and Past 72 Hourly Reports

You can get the hourly weather reports for the prior 72 hours at this link:

Baltimore Weather at BWI Past 72 Hours



Today’s Weather

Thursday Stats: May 21, 2020 in Baltimore

Average High:  75ºF

Record High: 96ºF in 1934

Average  Low: 54ºF

Record Low:  34ºF in 2002

Sunrise: 5:47 AM 

Sunset 8:18 PM 

*Daylight = 1:36 longer than yesterday 


Moon Phase

May 21 moon phase



Weather Map

1. Regional (with annotation)

Strong High is keeping that east wind in place. Temperatures will remain in the 60s for another day or two.

The Cut Off Low is still stalled today. The rain will move in on Friday.

May 21 maryland weather Thursday morning



Thursday Morning Full Weather Report:

The blocked pattern is about to break and move through with rain to start the holiday weekend. See more here:

May 21 maryland weather water vapor satellite



New Video Series: What is this cloud?

Episode 2: Dark Line In The Sky Over Delaware


Related Posts

2020 Tropical Storm and Hurricane Names and Naming History

Tropical Storm Hurricane History


Atlantic Tropical History: Maps of Origin Regions Every 10 Days

13_Tropical Storm Formation Sep11_20


Click here to see today’s weather:  

Ready Soon


Email Updates

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Also See:


Please share your thoughts, best weather pics/video, or just keep in touch via social media


Maryland Trek 7 

This will go on this August! Let’s hope social distancing will be a memory then. One way to celebrate would be to become part of my team:

  • Consider joining our team for the week, a single day, or even as a sponsor.

Maryland Trek 7



Water Spout OR Scud Cloud on videos and photos near Middle River Maryland

Other  Links:

When is the typical last freeze or frost?

See more here


Baltimore Weather At BWI May Not Be As Hot As Reported

Construction at the airport close to the weather station may be added artificial heat. Click here or the image for the details.



Was Your County Not Included?

Click this map for more on the regional forecast zones


Maryland Trek Cycle Jerseys From Hill Killer

All proceeds will go to the Maryland Trek 6 total and Just In Power Kids programs

Thank you to our Title Sponsor for Maryland Trek 6

Shining on with Smyth and their contribution, our team has raised over $95,000 for Just In Power Kids to provide free programs for kids in and post cancer treatment.

Just In Power Kids:

Proceeds go to our programs Providing FREE holistic care for kids in cancer treatment and up to 5 years post treatment and caregivers.


Shine On

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